======================================
| xx__-> [   11.294408][  T164] ------------[ cut here ]------------
| [   11.294683][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: fib.sh/164
| [   11.295064][  T164] Modules linked in: netdevsim
| [   11.295644][  T164] Tainted: [W]=WARN
[   11.295775][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.295991][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.296223][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.296855][  T164] RSP: 0018:ffa00000007574f8 EFLAGS: 00010286
[   11.297075][  T164] RAX: 00000000ffffffa6 RBX: ff11000005d40c40 RCX: 1ff40000000eae65
[   11.297365][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d40cf0
[   11.297623][  T164] RBP: ff11000009472000 R08: 1fe2200000ba819f R09: ff1100000df20c48
[   11.297879][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.298138][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009472000
[   11.298426][  T164] FS:  00007f8375e35b80(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   11.298730][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.298950][  T164] CR2: 000055fc19229c28 CR3: 000000000dee1004 CR4: 0000000000771ef0
[   11.299211][  T164] PKRU: 55555554
[   11.299351][  T164] Call Trace:
[   11.299484][  T164]  <TASK>
[   11.299575][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.299753][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.299887][  T164]  register_netdevice (net/core/dev.c:11488)
[   11.300061][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.300281][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   11.300460][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.300681][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.300859][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.301073][  T164]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.301252][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.301472][  T164]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   11.301644][  T164]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.301773][  T164]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.301948][  T164]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.302169][  T164] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.302350][  T164]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.302522][  T164]  call_driver_probe (drivers/base/dd.c:629)
[   11.302698][  T164]  really_probe (drivers/base/dd.c:709)
[   11.302884][  T164]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.303053][  T164]  __driver_probe_device (drivers/base/dd.c:871)
[   11.303227][  T164]  driver_probe_device (drivers/base/dd.c:901)
[   11.303402][  T164]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.303575][  T164]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.303763][  T164]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.303936][  T164]  __device_attach (drivers/base/dd.c:1101)
[   11.304106][  T164]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.304280][  T164]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.304501][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.304672][  T164]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.304843][  T164]  device_initial_probe (drivers/base/dd.c:1156)
[   11.305013][  T164]  bus_probe_device (drivers/base/bus.c:613)
[   11.305189][  T164]  device_add (drivers/base/core.c:3706)
[   11.305368][  T164]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.305589][  T164]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.305759][  T164]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.305929][  T164] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.306143][  T164]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.306317][  T164]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.306551][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   11.306728][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.306900][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.307070][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.307251][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.307386][  T164]  new_sync_write (fs/read_write.c:595)
[   11.307558][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.307728][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.307897][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.308064][  T164]  ? ksys_write (fs/read_write.c:740)
[   11.308244][  T164]  vfs_write (fs/read_write.c:688)
[   11.308380][  T164]  ksys_write (fs/read_write.c:740)
[   11.308512][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.308684][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.308858][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.309031][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.309205][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.309381][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.309552][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.309782][  T164] RIP: 0033:0x7f8375ea708e
[   11.309960][  T164] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.310567][  T164] RSP: 002b:00007ffd685e5210 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.310827][  T164] RAX: ffffffffffffffda RBX: 00007f8376029580 RCX: 00007f8375ea708e
[   11.311078][  T164] RDX: 0000000000000007 RSI: 000055fc19228c20 RDI: 0000000000000001
[   11.311343][  T164] RBP: 00007ffd685e5220 R08: 0000000000000000 R09: 0000000000000000
[   11.311596][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[   11.311893][  T164] R13: 0000000000000007 R14: 000055fc19228c20 R15: 0000000000000000
| [   11.356382][  T184] ------------[ cut here ]------------
| [   11.356630][  T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/184
| [   11.356931][  T184] Modules linked in: netdevsim
| [   11.357415][  T184] Tainted: [W]=WARN
[   11.357521][  T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.357737][  T184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.357920][  T184] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.358436][  T184] RSP: 0018:ffa0000000857aa8 EFLAGS: 00010286
[   11.358609][  T184] RAX: 00000000ffffffa6 RBX: ff11000005d419c0 RCX: 1ff400000010af1b
[   11.358814][  T184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d41a70
[   11.359020][  T184] RBP: ff11000009dac000 R08: 1fe2200000ba834f R09: ff1100000c718b80
[   11.359247][  T184] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.359460][  T184] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009dac000
[   11.359666][  T184] FS:  00007ff9c3615840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   11.359908][  T184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.360081][  T184] CR2: 0000000000479648 CR3: 000000000c25b004 CR4: 0000000000771ef0
[   11.360291][  T184] PKRU: 55555554
[   11.360402][  T184] Call Trace:
[   11.360505][  T184]  <TASK>
[   11.360578][  T184]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[   11.360722][  T184]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.360860][  T184]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.361000][  T184]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.361108][  T184]  register_netdevice (net/core/dev.c:11488)
[   11.361251][  T184]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.361433][  T184]  register_netdev (net/core/dev.c:11552)
[   11.361570][  T184]  loopback_net_init (drivers/net/loopback.c:218)
[   11.361712][  T184]  ops_init (net/core/net_namespace.c:137)
[   11.361818][  T184]  setup_net (net/core/net_namespace.c:446)
[   11.361921][  T184]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.362061][  T184]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.362203][  T184]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.362346][  T184]  copy_net_ns (net/core/net_namespace.c:579)
[   11.362485][  T184]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.362624][  T184]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.362761][  T184]  ksys_unshare (kernel/fork.c:3243)
[   11.362904][  T184]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.363044][  T184]  ? __ia32_sys_open (fs/open.c:1374)
[   11.363189][  T184]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.363331][  T184]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.363471][  T184]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.363613][  T184]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.363764][  T184]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.363902][  T184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.364074][  T184] RIP: 0033:0x7ff9c38d7bcb
[   11.364226][  T184] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.364715][  T184] RSP: 002b:00007fff11eff658 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.364924][  T184] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff9c38d7bcb
[   11.365133][  T184] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.365343][  T184] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.365545][  T184] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff11f01880
[   11.365752][  T184] R13: 0000000000000001 R14: 00007ff9c36156f8 R15: 00007fff11f0284e
| [   11.407628][  T185] ------------[ cut here ]------------
| [   11.407893][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/185
| [   11.408269][  T185] Modules linked in: netdevsim
| [   11.408792][  T185] Tainted: [W]=WARN
[   11.408911][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.409107][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.409368][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.409926][  T185] RSP: 0018:ffa00000005d7310 EFLAGS: 00010286
[   11.410134][  T185] RAX: 00000000ffffffa6 RBX: ff11000005cb2ac0 RCX: 1ff40000000bae28
[   11.410377][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cb2b70
[   11.410615][  T185] RBP: ff11000009472000 R08: 1fe2200000b9656f R09: ff1100000c71aed0
[   11.410848][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.411081][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.411318][  T185] FS:  00007f46b6d9b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   11.411596][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.411791][  T185] CR2: 00007f46b6f9cc20 CR3: 0000000004cf4001 CR4: 0000000000771ef0
[   11.412027][  T185] PKRU: 55555554
[   11.412145][  T185] Call Trace:
[   11.412269][  T185]  <TASK>
[   11.412357][  T185]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.412554][  T185]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.412747][  T185]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   11.412908][  T185]  ? netdev_run_todo (net/core/dev.c:11703)
[   11.413065][  T185]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.413227][  T185]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   11.413393][  T185]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   11.413548][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.413703][  T185]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.413860][  T185] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   11.414016][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.414205][  T185] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   11.414406][  T185] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   11.414625][  T185] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   11.414824][  T185]  devlink_reload (net/devlink/dev.c:462)
[   11.414984][  T185]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   11.415140][  T185]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[   11.415269][  T185]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[   11.415396][  T185]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   11.415550][  T185]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   11.415743][  T185]  ? __nla_validate_parse (lib/nlattr.c:635)
[   11.415898][  T185]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   11.416053][  T185]  ? __nla_parse (lib/nlattr.c:732)
[   11.416217][  T185]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   11.416379][  T185]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   11.416574][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.416729][  T185]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.416884][  T185]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.417041][  T185]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.417203][  T185]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   11.417407][  T185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.417599][  T185]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   11.417752][  T185]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   11.417905][  T185]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   11.418058][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.418219][  T185]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   11.418382][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.418535][  T185]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   11.418690][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.418848][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.419003][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.419163][  T185]  genl_rcv (net/netlink/genetlink.c:1218)
[   11.419279][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.419441][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.419594][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.419754][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.419909][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.420063][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.420227][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.420390][  T185]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   11.420548][  T185]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   11.420706][  T185]  ? build_open_flags (fs/open.c:1212)
[   11.420867][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.421026][  T185]  ? __ia32_sys_open (fs/open.c:1374)
[   11.421186][  T185]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   11.421347][  T185]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.421739][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.421897][  T185]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.422051][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.422237][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.422420][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.422577][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.422796][  T185] RIP: 0033:0x7f46b6fd508e
[   11.422970][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.423561][  T185] RSP: 002b:00007ffce5a56df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.423808][  T185] RAX: ffffffffffffffda RBX: 000000001f728980 RCX: 00007f46b6fd508e
[   11.424058][  T185] RDX: 0000000000000040 RSI: 000000001f728ba0 RDI: 0000000000000005
[   11.424305][  T185] RBP: 00007ffce5a56e00 R08: 00007f46b7289980 R09: 000000000000000c
[   11.424552][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   11.424800][  T185] R13: 000000001f728980 R14: 0000000000000000 R15: 0000000000000001
| [   11.491741][  T185] ------------[ cut here ]------------
| [   11.491955][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/185
| [   11.492276][  T185] Modules linked in: netdevsim
| [   11.492825][  T185] Tainted: [W]=WARN
[   11.492945][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.493146][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.493365][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.493925][  T185] RSP: 0018:ffa00000005d7268 EFLAGS: 00010286
[   11.494125][  T185] RAX: 00000000ffffffa6 RBX: ff11000009111e40 RCX: 1ff40000000bae13
[   11.494375][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111ef0
[   11.494618][  T185] RBP: ff11000009e2a000 R08: 1fe22000012223df R09: ff1100000c71aed0
[   11.494879][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.495116][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e2a000
[   11.495404][  T185] FS:  00007f46b6d9b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   11.495683][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.495881][  T185] CR2: 00007f46b6f9cc20 CR3: 0000000004cf4001 CR4: 0000000000771ef0
[   11.496119][  T185] PKRU: 55555554
[   11.496242][  T185] Call Trace:
[   11.496370][  T185]  <TASK>
[   11.496454][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.496615][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.496739][  T185]  register_netdevice (net/core/dev.c:11488)
[   11.496897][  T185]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.497090][  T185]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   11.497255][  T185] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.497463][  T185] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.497621][  T185] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.497822][  T185]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.497981][  T185]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.498184][  T185]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   11.498347][  T185]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.498467][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.498628][  T185]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.498827][  T185] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   11.499024][  T185]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   11.499225][  T185]  devlink_reload (net/devlink/dev.c:475)
[   11.499389][  T185]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   11.499546][  T185]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[   11.499668][  T185]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[   11.499790][  T185]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   11.499946][  T185]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   11.500143][  T185]  ? __nla_validate_parse (lib/nlattr.c:635)
[   11.500305][  T185]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   11.500500][  T185]  ? __nla_parse (lib/nlattr.c:732)
[   11.500690][  T185]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   11.500849][  T185]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   11.501050][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.501219][  T185]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.501388][  T185]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.501556][  T185]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.501718][  T185]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   11.501919][  T185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.502125][  T185]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   11.502298][  T185]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   11.502471][  T185]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   11.502639][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.502809][  T185]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   11.502985][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.503149][  T185]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   11.503314][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.503484][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.503646][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.503808][  T185]  genl_rcv (net/netlink/genetlink.c:1218)
[   11.503926][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.504088][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.504255][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.504424][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.504584][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.504742][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.504903][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.505063][  T185]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   11.505226][  T185]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   11.505395][  T185]  ? build_open_flags (fs/open.c:1212)
[   11.505559][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.505718][  T185]  ? __ia32_sys_open (fs/open.c:1374)
[   11.505876][  T185]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   11.506032][  T185]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.506234][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.506397][  T185]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.506553][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.506707][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.506866][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.507022][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.507229][  T185] RIP: 0033:0x7f46b6fd508e
[   11.507399][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.507953][  T185] RSP: 002b:00007ffce5a56df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.508195][  T185] RAX: ffffffffffffffda RBX: 000000001f728980 RCX: 00007f46b6fd508e
[   11.508438][  T185] RDX: 0000000000000040 RSI: 000000001f728ba0 RDI: 0000000000000005
[   11.508672][  T185] RBP: 00007ffce5a56e00 R08: 00007f46b7289980 R09: 000000000000000c
[   11.508907][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   11.509138][  T185] R13: 000000001f728980 R14: 0000000000000000 R15: 0000000000000001
| [   11.704993][  T198] ------------[ cut here ]------------
| [   11.705236][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [   11.706403][  T198] Modules linked in: netdevsim
| [   11.707135][  T198] Tainted: [W]=WARN
[   11.707281][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.707531][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.707719][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.708221][  T198] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[   11.708402][  T198] RAX: 00000000ffffffa6 RBX: ff1100000ec1adc0 RCX: 1ff40000000c4dfc
[   11.708611][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1ae70
[   11.708819][  T198] RBP: ff1100000c54c000 R08: 1fe2200001d835cf R09: ff1100000ccb0ba8
[   11.709026][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.709242][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.709459][  T198] FS:  00007f5e6fb89840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   11.709710][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.709884][  T198] CR2: 00000000004a77b8 CR3: 000000000df9b005 CR4: 0000000000771ef0
[   11.710092][  T198] PKRU: 55555554
[   11.710202][  T198] Call Trace:
[   11.710311][  T198]  <TASK>
[   11.710389][  T198]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.710532][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.710674][  T198]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.710813][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.710918][  T198]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   11.711069][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   11.711215][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   11.711363][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.711536][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.711675][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.711814][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.711954][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.712095][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.712248][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.712399][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.712540][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.712679][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.712817][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.712955][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.713096][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.713242][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.713387][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.713524][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.713664][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.713802][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.713943][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.714089][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.714239][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.714387][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.714524][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.714664][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.714806][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.714944][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.715085][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.715233][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.715377][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.715519][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.715679][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.715818][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.715960][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.716100][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.716242][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.716421][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   11.716605][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.716818][  T198]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.717041][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   11.717262][  T198]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.717489][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.717716][  T198]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.717946][  T198]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.718142][  T198]  __sys_sendmsg (net/socket.c:2784)
[   11.718284][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.718433][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.718572][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.718716][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.718855][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.718996][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.719141][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.719321][  T198] RIP: 0033:0x7f5e6fdc308e
[   11.719624][  T198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.720116][  T198] RSP: 002b:00007ffdbe298750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.720337][  T198] RAX: ffffffffffffffda RBX: 00007ffdbe298f00 RCX: 00007f5e6fdc308e
[   11.720544][  T198] RDX: 0000000000000000 RSI: 00007ffdbe298800 RDI: 0000000000000005
[   11.720749][  T198] RBP: 00007ffdbe298760 R08: 0000000000000000 R09: 0000000000000000
[   11.720955][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf61
[   11.721171][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbe298ed0
| [   11.783552][  T199] ------------[ cut here ]------------
| [   11.783866][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/199
| [   11.784242][  T199] Modules linked in: netdevsim
| [   11.785107][  T199] Tainted: [W]=WARN
[   11.785275][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.785626][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.785905][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.786710][  T199] RSP: 0018:ffa00000008e7020 EFLAGS: 00010286
[   11.786977][  T199] RAX: 00000000ffffffa6 RBX: ff1100000ec1b6c0 RCX: 1ff400000011cdca
[   11.787296][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1b770
[   11.787619][  T199] RBP: ff1100000c54c000 R08: 1fe2200001d836ef R09: ff1100000ccb5180
[   11.787953][  T199] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   11.788271][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.788594][  T199] FS:  00007f309f8ee840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   11.788962][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.789240][  T199] CR2: 0000000035a79988 CR3: 0000000004f64004 CR4: 0000000000771ef0
[   11.789686][  T199] PKRU: 55555554
[   11.789844][  T199] Call Trace:
[   11.790002][  T199]  <TASK>
[   11.790111][  T199]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   11.790475][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.790828][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.790992][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.791215][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[   11.791555][  T199]  ? netif_change_name (net/core/dev.c:1495)
[   11.791762][  T199]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.791970][  T199]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.792181][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.792400][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.792614][  T199]  netif_change_flags (net/core/dev.c:9820)
[   11.792833][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.793047][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.793260][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.793528][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.793736][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.793943][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.794161][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.794395][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[   11.794611][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.794823][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.795030][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.795247][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.795468][  T199]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.795681][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.795895][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.796101][  T199]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.796313][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.796530][  T199]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.796738][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.796946][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.797161][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.797383][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.797600][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.797806][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.798001][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.798197][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.798414][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.798612][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.798809][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.799025][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.799232][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.799437][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.799628][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.799818][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.800006][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.800197][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.800403][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.800600][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.800797][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.800988][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.801177][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.801386][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.801589][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.801792][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.801990][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.802188][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.802390][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.802594][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.802806][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.803018][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.803212][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.803429][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.803681][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[   11.803878][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.804070][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.804270][  T199]  ___sys_sendmsg (net/socket.c:2752)
[   11.804465][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.804706][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.804938][  T199]  __sys_sendmsg (net/socket.c:2784)
[   11.805155][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.805362][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.805607][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.805798][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.805994][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.806186][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.806387][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.806588][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.806837][  T199] RIP: 0033:0x7f309fb2808e
[   11.807057][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.807772][  T199] RSP: 002b:00007fffb373d150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.808078][  T199] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f309fb2808e
[   11.808375][  T199] RDX: 0000000000000000 RSI: 00007fffb373d200 RDI: 0000000000000005
[   11.808657][  T199] RBP: 00007fffb373d160 R08: 0000000000000000 R09: 0000000000000000
[   11.808946][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   11.809257][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb373d8d0
| [   11.851452][  T201] ------------[ cut here ]------------
| [   11.851669][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [   11.851926][  T201] Modules linked in: netdevsim
| [   11.852431][  T201] Tainted: [W]=WARN
[   11.852545][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.852728][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.852929][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.853457][  T201] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[   11.853641][  T201] RAX: 00000000ffffffa6 RBX: ff1100000dffe7c0 RCX: 1ff400000011cdfc
[   11.853851][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffe870
[   11.854067][  T201] RBP: ff11000009e21000 R08: 1fe2200001bffd0f R09: ff1100000c2951a8
[   11.854281][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.854496][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.854708][  T201] FS:  00007f98a9b2d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   11.854953][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.855129][  T201] CR2: 00000000004a77b8 CR3: 000000000df9c003 CR4: 0000000000771ef0
[   11.855348][  T201] PKRU: 55555554
[   11.855454][  T201] Call Trace:
[   11.855560][  T201]  <TASK>
[   11.855634][  T201]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.855777][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.855921][  T201]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.856062][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.856175][  T201]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   11.856315][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   11.856465][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   11.856614][  T201]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.856788][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.856930][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.857085][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.857229][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.857395][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.857540][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.857687][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.857830][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.857970][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.858110][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.858252][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.858395][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.858539][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.858682][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.858821][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.858960][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.859116][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.859261][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.859408][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.859547][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.859687][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.859829][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.859967][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.860110][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.860254][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.860400][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.860546][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.860689][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.860835][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.860975][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.861118][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.861267][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.861411][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.861550][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.861724][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   11.861864][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.862008][  T201]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.862147][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   11.862290][  T201]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.862435][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.862578][  T201]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.862721][  T201]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.862864][  T201]  __sys_sendmsg (net/socket.c:2784)
[   11.863011][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.863167][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.863308][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.863456][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.863596][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.863743][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.863885][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.864061][  T201] RIP: 0033:0x7f98a9d6708e
[   11.864216][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.864716][  T201] RSP: 002b:00007fff26ef4480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.864931][  T201] RAX: ffffffffffffffda RBX: 00007fff26ef4c30 RCX: 00007f98a9d6708e
[   11.865251][  T201] RDX: 0000000000000000 RSI: 00007fff26ef4530 RDI: 0000000000000005
[   11.865596][  T201] RBP: 00007fff26ef4490 R08: 0000000000000000 R09: 0000000000000000
[   11.865949][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   11.866257][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff26ef4c00
| [   11.903543][  T202] ------------[ cut here ]------------
| [   11.903839][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [   11.904105][  T202] Modules linked in: netdevsim
| [   11.904805][  T202] Tainted: [W]=WARN
[   11.904967][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.905225][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.905513][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.906059][  T202] RSP: 0018:ffa0000000577020 EFLAGS: 00010286
[   11.906242][  T202] RAX: 00000000ffffffa6 RBX: ff1100000dfff0c0 RCX: 1ff40000000aedca
[   11.906456][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff170
[   11.906665][  T202] RBP: ff11000009e21000 R08: 1fe2200001bffe2f R09: ff1100000c292e80
[   11.906876][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.907084][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.907303][  T202] FS:  00007f6e271a4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   11.907562][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.907737][  T202] CR2: 000000001454b988 CR3: 0000000004b8f006 CR4: 0000000000771ef0
[   11.907965][  T202] PKRU: 55555554
[   11.908069][  T202] Call Trace:
[   11.908183][  T202]  <TASK>
[   11.908260][  T202]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   11.908410][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.908550][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.908655][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.908794][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[   11.908944][  T202]  ? netif_change_name (net/core/dev.c:1495)
[   11.909082][  T202]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.909226][  T202]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.909369][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.909508][  T202]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.909648][  T202]  netif_change_flags (net/core/dev.c:9820)
[   11.909792][  T202]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.909933][  T202]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.910128][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.910412][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.910626][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.910841][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.911055][  T202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.911278][  T202]  ? __kernel_text_address (kernel/extable.c:79)
[   11.911503][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.911684][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.911826][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.911964][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.912100][  T202]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.912245][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.912389][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.912529][  T202]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.912666][  T202]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.912804][  T202]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.912940][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.913080][  T202]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.913232][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.913378][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.913516][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.913654][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.913790][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.913927][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.914065][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.914209][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.914353][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.914490][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.914627][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.914773][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.914909][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.915046][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.915189][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.915324][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.915668][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.915805][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.915945][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.916084][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.916229][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.916376][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.916513][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.916653][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.916794][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.916931][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.917075][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.917222][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.917366][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.917506][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.917644][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.917779][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.917963][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[   11.918108][  T202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.918287][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.918434][  T202]  ___sys_sendmsg (net/socket.c:2752)
[   11.918570][  T202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.918743][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.918894][  T202]  __sys_sendmsg (net/socket.c:2784)
[   11.919068][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.919275][  T202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.919547][  T202]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.919752][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.919957][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.920168][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.920341][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.920533][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.920708][  T202] RIP: 0033:0x7f6e273de08e
[   11.920863][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.921366][  T202] RSP: 002b:00007ffe9e65bc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.921596][  T202] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e273de08e
[   11.921817][  T202] RDX: 0000000000000000 RSI: 00007ffe9e65bcb0 RDI: 0000000000000005
[   11.922022][  T202] RBP: 00007ffe9e65bc10 R08: 0000000000000000 R09: 0000000000000000
[   11.922233][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   11.922444][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9e65c380
| [   11.981338][  T204] ------------[ cut here ]------------
| [   11.981674][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [   11.982123][  T204] Modules linked in: netdevsim
| [   11.982955][  T204] Tainted: [W]=WARN
[   11.983189][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.983543][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.983920][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.984785][  T204] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[   11.985128][  T204] RAX: 00000000ffffffa6 RBX: ff11000004c4cc40 RCX: 1ff4000000108dfc
[   11.985535][  T204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c4ccf0
[   11.985923][  T204] RBP: ff1100000c409000 R08: 1fe220000098999f R09: ff11000009048ba8
[   11.986321][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.986739][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.987133][  T204] FS:  00007f21a1939840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   11.987606][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.987939][  T204] CR2: 00000000004a77b8 CR3: 000000000c0fb002 CR4: 0000000000771ef0
[   11.988342][  T204] PKRU: 55555554
[   11.988564][  T204] Call Trace:
[   11.988787][  T204]  <TASK>
[   11.988960][  T204]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.989250][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.989548][  T204]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.989823][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.990051][  T204]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   11.990361][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[   11.990639][  T204]  ? netif_change_name (net/core/dev.c:1495)
[   11.990930][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.991275][  T204]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.991570][  T204]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.991868][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.992150][  T204]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.992469][  T204]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.992763][  T204]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.993053][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.993364][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.993642][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.993946][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.994250][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.994553][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.994878][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.995169][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.995469][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.995751][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.996031][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.996318][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.996620][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.996902][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.997195][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.997511][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.997792][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.998076][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.998373][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.998892][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.999190][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.999493][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.999774][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.000054][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.000394][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.000676][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.000976][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.001265][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.001619][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[   12.001904][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.002185][  T204]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.002485][  T204]  ___sys_sendmsg (net/socket.c:2752)
[   12.002762][  T204]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.003039][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.003349][  T204]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.003650][  T204]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.003935][  T204]  __sys_sendmsg (net/socket.c:2784)
[   12.004225][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.004545][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.004824][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.005096][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.005395][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.005670][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.005959][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.006295][  T204] RIP: 0033:0x7f21a1b7308e
[   12.006596][  T204] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.007486][  T204] RSP: 002b:00007ffca7a3e710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.007882][  T204] RAX: ffffffffffffffda RBX: 00007ffca7a3eec0 RCX: 00007f21a1b7308e
[   12.008274][  T204] RDX: 0000000000000000 RSI: 00007ffca7a3e7c0 RDI: 0000000000000005
[   12.008666][  T204] RBP: 00007ffca7a3e720 R08: 0000000000000000 R09: 0000000000000000
[   12.009051][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   12.009459][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca7a3ee90
| [   12.058689][  T205] ------------[ cut here ]------------
| [   12.058878][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [   12.059143][  T205] Modules linked in: netdevsim
| [   12.059615][  T205] Tainted: [W]=WARN
[   12.059724][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.059902][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.060179][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.060919][  T205] RSP: 0018:ffa0000000707020 EFLAGS: 00010286
[   12.061205][  T205] RAX: 00000000ffffffa6 RBX: ff11000004c4d540 RCX: 1ff40000000e0dca
[   12.061728][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c4d5f0
[   12.062056][  T205] RBP: ff1100000c409000 R08: 1fe2200000989abf R09: ff1100000df25180
[   12.062386][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.062601][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.062813][  T205] FS:  00007fd6df2ca840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   12.063067][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.063252][  T205] CR2: 00000000045d2988 CR3: 0000000004f6c002 CR4: 0000000000771ef0
[   12.063475][  T205] PKRU: 55555554
[   12.063581][  T205] Call Trace:
[   12.063687][  T205]  <TASK>
[   12.063761][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.063910][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.064024][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.064177][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[   12.064319][  T205]  ? netif_change_name (net/core/dev.c:1495)
[   12.064469][  T205]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.064610][  T205]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.064748][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.064887][  T205]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.065030][  T205]  netif_change_flags (net/core/dev.c:9820)
[   12.065174][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.065314][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.065481][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.065655][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.065799][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.065939][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.066081][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.066234][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[   12.066382][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.066525][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.066669][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.066813][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.066951][  T205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.067102][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.067249][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.067393][  T205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.067536][  T205]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.067683][  T205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.067822][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.067961][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.068102][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.068250][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.068411][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.068552][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.068697][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.068835][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.068972][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.069114][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.069257][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.069402][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.069555][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.069705][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.069857][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.070000][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.070138][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.070282][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.070430][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.070569][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.070709][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.070851][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.070990][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.071131][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.071275][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.071423][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.071563][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.071701][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.071845][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.071991][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.072131][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.072276][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.072422][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.072561][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.072730][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[   12.072870][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.073008][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.073148][  T205]  ___sys_sendmsg (net/socket.c:2752)
[   12.073308][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.073487][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.073638][  T205]  __sys_sendmsg (net/socket.c:2784)
[   12.073778][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.073914][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.074091][  T205]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.074256][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.074403][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.074540][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.074678][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.074840][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.075013][  T205] RIP: 0033:0x7fd6df50408e
[   12.075169][  T205] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.075687][  T205] RSP: 002b:00007ffec353c450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.075904][  T205] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd6df50408e
[   12.076114][  T205] RDX: 0000000000000000 RSI: 00007ffec353c500 RDI: 0000000000000005
[   12.076392][  T205] RBP: 00007ffec353c460 R08: 0000000000000000 R09: 0000000000000000
[   12.076602][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   12.076811][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec353cbd0
| [   12.565882][  T228] ------------[ cut here ]------------
| [   12.566082][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/228
| [   12.566359][  T228] Modules linked in: netdevsim
| [   12.566835][  T228] Tainted: [W]=WARN
[   12.566958][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.567136][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.567891][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.568457][  T228] RSP: 0018:ffa00000007a7010 EFLAGS: 00010286
[   12.568647][  T228] RAX: 00000000ffffffa6 RBX: ff11000005cb3240 RCX: 1ff40000000f4dc8
[   12.568854][  T228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cb32f0
[   12.569077][  T228] RBP: ff1100000c54c000 R08: 1fe2200000b9665f R09: ff11000008d65180
[   12.569293][  T228] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   12.569515][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007a7100
[   12.569728][  T228] FS:  00007f1833a7b840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   12.569977][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.570155][  T228] CR2: 0000000023a66988 CR3: 000000000b35d004 CR4: 0000000000771ef0
[   12.570386][  T228] PKRU: 55555554
[   12.570492][  T228] Call Trace:
[   12.570608][  T228]  <TASK>
[   12.570681][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.570824][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.570931][  T228]  netif_close_many (net/core/dev.c:1804)
[   12.571070][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.571212][  T228]  ? __dev_close_many (net/core/dev.c:1781)
[   12.571357][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.571526][  T228]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.571664][  T228]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.571801][  T228]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   12.571976][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.572117][  T228]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.572356][  T228]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.572497][  T228]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.572635][  T228]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.572807][  T228]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.572945][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.573104][  T228]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.573349][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.573498][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.573635][  T228]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.573772][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.573911][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.574069][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.574217][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.574361][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.574498][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.574633][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.574768][  T228]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   12.574914][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.575052][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.575251][  T228]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.575469][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.575613][  T228]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.575758][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.575896][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.576035][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.576178][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.576343][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.576483][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.576619][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.576756][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.576896][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.577038][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.577184][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.577332][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.577470][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.577621][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.577762][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.577900][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.578042][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.578193][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.578381][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.578597][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.578815][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   12.579018][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.579252][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.579476][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   12.579679][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.579862][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.580029][  T228]  __sys_sendmsg (net/socket.c:2784)
[   12.580234][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.580454][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.580718][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.580906][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.581134][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.581307][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.581456][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.581595][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.581770][  T228] RIP: 0033:0x7f1833cb508e
[   12.581918][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.582427][  T228] RSP: 002b:00007ffc5b3b84c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.582642][  T228] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1833cb508e
[   12.582853][  T228] RDX: 0000000000000000 RSI: 00007ffc5b3b8570 RDI: 0000000000000005
[   12.583056][  T228] RBP: 00007ffc5b3b84d0 R08: 0000000000000000 R09: 0000000000000000
[   12.583268][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   12.583482][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5b3b8c40
| [   12.588077][  T228] ------------[ cut here ]------------
| [   12.588271][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/228
| [   12.588577][  T228] Modules linked in: netdevsim
| [   12.588985][  T228] Tainted: [W]=WARN
[   12.589083][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.589256][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.589496][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.590050][  T228] RSP: 0018:ffa00000007a7190 EFLAGS: 00010286
[   12.590244][  T228] RAX: 00000000ffffffa6 RBX: ff11000005cb2040 RCX: 1ff40000000f4df8
[   12.590518][  T228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cb20f0
[   12.590717][  T228] RBP: ff1100000c54c000 R08: 1fe2200000b9641f R09: ff11000008d65158
[   12.591042][  T228] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.591244][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.591496][  T228] FS:  00007f1833a7b840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   12.591730][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.591912][  T228] CR2: 0000000023a66988 CR3: 000000000b35d004 CR4: 0000000000771ef0
[   12.592203][  T228] PKRU: 55555554
[   12.592300][  T228] Call Trace:
[   12.592405][  T228]  <TASK>
[   12.592473][  T228]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.592726][  T228]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.592886][  T228]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.593026][  T228]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.593155][  T228]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.593416][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.593547][  T228]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.593676][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.593889][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.594029][  T228]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.594164][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.594299][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.594559][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.594688][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.594820][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.594946][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.595156][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.595291][  T228]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   12.595470][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.595658][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.595984][  T228]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.596198][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.596417][  T228]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.596588][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.596880][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.597079][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.597345][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.597564][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.597834][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.598002][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.598139][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.598276][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.598418][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.598547][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.598677][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.598827][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.599179][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.599399][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.599591][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.599748][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.600076][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.600236][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.600382][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.600545][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   12.600773][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.600910][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.601042][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   12.601202][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.601416][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.601603][  T228]  __sys_sendmsg (net/socket.c:2784)
[   12.601770][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.601912][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.602245][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.602404][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.602551][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.602744][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.603076][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.603276][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.603487][  T228] RIP: 0033:0x7f1833cb508e
[   12.603762][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.604234][  T228] RSP: 002b:00007ffc5b3b84c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.604566][  T228] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1833cb508e
[   12.604762][  T228] RDX: 0000000000000000 RSI: 00007ffc5b3b8570 RDI: 0000000000000005
[   12.605045][  T228] RBP: 00007ffc5b3b84d0 R08: 0000000000000000 R09: 0000000000000000
[   12.605247][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   12.605445][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5b3b8c40
| [   12.672104][  T229] ------------[ cut here ]------------
| [   12.672875][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/229
| [   12.673344][  T229] Modules linked in: netdevsim
| [   12.674116][  T229] Tainted: [W]=WARN
[   12.674385][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.674713][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.675061][  T229] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.675901][  T229] RSP: 0018:ffa00000007a7010 EFLAGS: 00010286
[   12.676268][  T229] RAX: 00000000ffffffa6 RBX: ff110000091110c0 RCX: 1ff40000000f4dc8
[   12.676656][  T229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111170
[   12.677042][  T229] RBP: ff11000009e21000 R08: 1fe220000122222f R09: ff1100000ae6ae80
[   12.677503][  T229] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   12.677874][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007a7100
[   12.678270][  T229] FS:  00007fae91a0d840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   12.678742][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.679084][  T229] CR2: 00000000039b3988 CR3: 000000000eccf004 CR4: 0000000000771ef0
[   12.679491][  T229] PKRU: 55555554
[   12.679711][  T229] Call Trace:
[   12.679954][  T229]  <TASK>
[   12.680127][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.680444][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.680667][  T229]  netif_close_many (net/core/dev.c:1804)
[   12.680943][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.681224][  T229]  ? __dev_close_many (net/core/dev.c:1781)
[   12.681508][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.681786][  T229]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.682055][  T229]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.682344][  T229]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   12.682672][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.682966][  T229]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.683315][  T229]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.683943][  T229]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.684226][  T229]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.684563][  T229]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.684832][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.685131][  T229]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.685426][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.685686][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.685970][  T229]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.686250][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.686535][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.686839][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.687111][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.687399][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.687667][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.687932][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.688207][  T229]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   12.688498][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.688764][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.689023][  T229]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.689300][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.689587][  T229]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.689872][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.690149][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.690439][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.690701][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.690985][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.691264][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.691546][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.691806][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.692068][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.692378][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.692632][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.692918][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.693190][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.693469][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.693730][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.694013][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.694276][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.694556][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.694830][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.695092][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.695444][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   12.695703][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.695977][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.696274][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   12.696552][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.696866][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.697148][  T229]  __sys_sendmsg (net/socket.c:2784)
[   12.697446][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.697706][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.698025][  T229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.698301][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.698578][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.698838][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.699123][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.699416][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.699742][  T229] RIP: 0033:0x7fae91c4708e
[   12.700013][  T229] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.700820][  T229] RSP: 002b:00007fff93160540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.701197][  T229] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fae91c4708e
[   12.701585][  T229] RDX: 0000000000000000 RSI: 00007fff931605f0 RDI: 0000000000000005
[   12.701934][  T229] RBP: 00007fff93160550 R08: 0000000000000000 R09: 0000000000000000
[   12.702300][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   12.702672][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff93160cc0
| [   12.708150][  T229] ------------[ cut here ]------------
| [   12.708555][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/229
| [   12.709042][  T229] Modules linked in: netdevsim
| [   12.710000][  T229] Tainted: [W]=WARN
[   12.710302][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.710707][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.711124][  T229] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.711992][  T229] RSP: 0018:ffa00000007a7190 EFLAGS: 00010286
[   12.712419][  T229] RAX: 00000000ffffffa6 RBX: ff110000091104c0 RCX: 1ff40000000f4df8
[   12.712868][  T229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009110570
[   12.713317][  T229] RBP: ff11000009e21000 R08: 1fe22000012220af R09: ff1100000ae6ae58
[   12.713869][  T229] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.714344][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.714781][  T229] FS:  00007fae91a0d840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   12.715292][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.715719][  T229] CR2: 00000000039b3988 CR3: 000000000eccf004 CR4: 0000000000771ef0
[   12.716157][  T229] PKRU: 55555554
[   12.716482][  T229] Call Trace:
[   12.716783][  T229]  <TASK>
[   12.717025][  T229]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.717506][  T229]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.717831][  T229]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.718094][  T229]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.718373][  T229]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.718668][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.718922][  T229]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.719179][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.719471][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.719722][  T229]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.719966][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.720220][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.720519][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.720763][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.721017][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.721272][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.721540][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.721791][  T229]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   12.722042][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.722296][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.722566][  T229]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.722819][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.723091][  T229]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.723368][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.723614][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.723859][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.724107][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.724390][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.724653][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.724906][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.725150][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.725426][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.725678][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.725921][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.726184][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.726449][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.726698][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.726949][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.727227][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.727490][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.727814][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.728066][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.728344][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.728641][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   12.728888][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.729137][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.729410][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   12.729670][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.730006][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.730284][  T229]  __sys_sendmsg (net/socket.c:2784)
[   12.730554][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.730795][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.731099][  T229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.731383][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.731650][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.731900][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.732150][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.732422][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.732715][  T229] RIP: 0033:0x7fae91c4708e
[   12.732979][  T229] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.733762][  T229] RSP: 002b:00007fff93160540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.734110][  T229] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fae91c4708e
[   12.734480][  T229] RDX: 0000000000000000 RSI: 00007fff931605f0 RDI: 0000000000000005
[   12.734823][  T229] RBP: 00007fff93160550 R08: 0000000000000000 R09: 0000000000000000
[   12.735172][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf62
[   12.735527][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff93160cc0
| [   12.827758][  T230] ------------[ cut here ]------------
| [   12.827941][  T230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/230
| [   12.828192][  T230] Modules linked in: netdevsim
| [   12.828635][  T230] Tainted: [W]=WARN
[   12.828751][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.828925][  T230] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.829108][  T230] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.829610][  T230] RSP: 0018:ffa00000007b7010 EFLAGS: 00010286
[   12.829785][  T230] RAX: 00000000ffffffa6 RBX: ff110000094a4dc0 RCX: 1ff40000000f6dc8
[   12.829987][  T230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4e70
[   12.830193][  T230] RBP: ff1100000c409000 R08: 1fe22000012949cf R09: ff1100000ae68b80
[   12.830400][  T230] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   12.830621][  T230] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007b7100
[   12.830830][  T230] FS:  00007fe08f343840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   12.831070][  T230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.831247][  T230] CR2: 0000000005e99988 CR3: 0000000009ff2006 CR4: 0000000000771ef0
[   12.831458][  T230] PKRU: 55555554
[   12.831561][  T230] Call Trace:
[   12.831663][  T230]  <TASK>
[   12.831759][  T230]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.831904][  T230]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.832007][  T230]  netif_close_many (net/core/dev.c:1804)
[   12.832143][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.832286][  T230]  ? __dev_close_many (net/core/dev.c:1781)
[   12.832428][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.832568][  T230]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.832704][  T230]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.832840][  T230]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   12.833011][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.833147][  T230]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.833319][  T230]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.833465][  T230]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.833602][  T230]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.833772][  T230]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.833907][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.834044][  T230]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.834185][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.834319][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.834926][  T230]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.835065][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.835210][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.835371][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.835506][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.835645][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.835780][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.835914][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.836074][  T230]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   12.836222][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.836362][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.836497][  T230]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.836632][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.836767][  T230]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.836905][  T230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.837041][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.837184][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.837319][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.837465][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.837599][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.837734][  T230]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.837869][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.838008][  T230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.838147][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.838288][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.838430][  T230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.838566][  T230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.838701][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.838840][  T230]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.838980][  T230]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.839135][  T230]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.839278][  T230]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.839419][  T230]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.839552][  T230]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.839718][  T230]  ? move_addr_to_kernel (net/socket.c:258)
[   12.839854][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.839992][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.840131][  T230]  ___sys_sendmsg (net/socket.c:2752)
[   12.840274][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.840451][  T230]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.840597][  T230]  __sys_sendmsg (net/socket.c:2784)
[   12.840732][  T230]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.840872][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.841040][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.841180][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.841315][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.841458][  T230]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.841609][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.841745][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.841911][  T230] RIP: 0033:0x7fe08f57d08e
[   12.842054][  T230] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.842543][  T230] RSP: 002b:00007fff5e46eda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.842748][  T230] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe08f57d08e
[   12.842960][  T230] RDX: 0000000000000000 RSI: 00007fff5e46ee50 RDI: 0000000000000005
[   12.843171][  T230] RBP: 00007fff5e46edb0 R08: 0000000000000000 R09: 0000000000000000
[   12.843395][  T230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   12.843598][  T230] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5e46f520
| [   12.846974][  T230] ------------[ cut here ]------------
| [   12.847115][  T230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/230
| [   12.847472][  T230] Modules linked in: netdevsim
| [   12.847874][  T230] Tainted: [W]=WARN
[   12.847976][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.848137][  T230] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.848306][  T230] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.848841][  T230] RSP: 0018:ffa00000007b7190 EFLAGS: 00010286
[   12.849005][  T230] RAX: 00000000ffffffa6 RBX: ff110000094a5cc0 RCX: 1ff40000000f6df8
[   12.849202][  T230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5d70
[   12.849460][  T230] RBP: ff1100000c409000 R08: 1fe2200001294baf R09: ff1100000ae68b58
[   12.849653][  T230] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.849849][  T230] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.850043][  T230] FS:  00007fe08f343840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   12.850273][  T230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.850498][  T230] CR2: 0000000005e99988 CR3: 0000000009ff2006 CR4: 0000000000771ef0
[   12.850695][  T230] PKRU: 55555554
[   12.850792][  T230] Call Trace:
[   12.850888][  T230]  <TASK>
[   12.850953][  T230]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.851117][  T230]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.851277][  T230]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.851462][  T230]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.851587][  T230]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.851749][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.851877][  T230]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.852006][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.852135][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.852267][  T230]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.852570][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.852701][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.852846][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.852978][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.853105][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.853236][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.853418][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.853561][  T230]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   12.853690][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.853817][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.853944][  T230]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.854071][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.854204][  T230]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.854335][  T230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.854463][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.854591][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.854719][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.854849][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.854977][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.855104][  T230]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.855236][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.855373][  T230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.855503][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.855631][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.855760][  T230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.855890][  T230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.856016][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.856145][  T230]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.856278][  T230]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.856413][  T230]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.856543][  T230]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.856672][  T230]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.856799][  T230]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.856959][  T230]  ? move_addr_to_kernel (net/socket.c:258)
[   12.857087][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.857220][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.857352][  T230]  ___sys_sendmsg (net/socket.c:2752)
[   12.857479][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.857637][  T230]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.857776][  T230]  __sys_sendmsg (net/socket.c:2784)
[   12.857908][  T230]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.858038][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.858203][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.858334][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.858464][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.858591][  T230]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.858717][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.858847][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.859010][  T230] RIP: 0033:0x7fe08f57d08e
[   12.859148][  T230] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.859613][  T230] RSP: 002b:00007fff5e46eda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.859810][  T230] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe08f57d08e
[   12.859999][  T230] RDX: 0000000000000000 RSI: 00007fff5e46ee50 RDI: 0000000000000005
[   12.860195][  T230] RBP: 00007fff5e46edb0 R08: 0000000000000000 R09: 0000000000000000
[   12.860390][  T230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   12.860583][  T230] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5e46f520
| [   12.972278][  T239] ------------[ cut here ]------------
| [   12.972579][  T239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/239
| [   12.972962][  T239] Modules linked in: netdevsim
| [   12.973698][  T239] Tainted: [W]=WARN
[   12.973921][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.974259][  T239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.974619][  T239] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.975351][  T239] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[   12.975656][  T239] RAX: 00000000ffffffa6 RBX: ff11000004b0b540 RCX: 1ff4000000118dfc
[   12.975976][  T239] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b5f0
[   12.976308][  T239] RBP: ff11000009c21000 R08: 1fe22000009616bf R09: ff1100000c6b8ba8
[   12.976667][  T239] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.976987][  T239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.977319][  T239] FS:  00007f2a8068f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   12.977998][  T239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.978307][  T239] CR2: 00000000004a77b8 CR3: 000000000c577003 CR4: 0000000000771ef0
[   12.978651][  T239] PKRU: 55555554
[   12.978842][  T239] Call Trace:
[   12.979046][  T239]  <TASK>
[   12.979205][  T239]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.979453][  T239]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.979689][  T239]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.979918][  T239]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.980107][  T239]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   12.980392][  T239]  __dev_notify_flags (net/core/dev.c:9787)
[   12.980661][  T239]  ? netif_change_name (net/core/dev.c:1495)
[   12.980936][  T239]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.981269][  T239]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.981541][  T239]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.981772][  T239]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.982018][  T239]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.982289][  T239]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.982555][  T239]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.982818][  T239]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.983055][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.983301][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.983550][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.983802][  T239]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.984043][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.984310][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.984599][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.984843][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.985071][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.985313][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.985555][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.985830][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.986103][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.986399][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.986666][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.986937][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.987196][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.987451][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.987689][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.987944][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.988188][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.988440][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.988689][  T239]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.988953][  T239]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.989201][  T239]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.989452][  T239]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.989681][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.989959][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   12.990225][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.990503][  T239]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.990755][  T239]  ___sys_sendmsg (net/socket.c:2752)
[   12.991012][  T239]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.991293][  T239]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.991593][  T239]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.991908][  T239]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.992193][  T239]  __sys_sendmsg (net/socket.c:2784)
[   12.992477][  T239]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.992730][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.992961][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.993206][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.993470][  T239]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.993720][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.993956][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.994246][  T239] RIP: 0033:0x7f2a808c908e
[   12.994532][  T239] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.995236][  T239] RSP: 002b:00007fffede1e850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.995595][  T239] RAX: ffffffffffffffda RBX: 00007fffede1f000 RCX: 00007f2a808c908e
[   12.995936][  T239] RDX: 0000000000000000 RSI: 00007fffede1e900 RDI: 0000000000000005
[   12.996301][  T239] RBP: 00007fffede1e860 R08: 0000000000000000 R09: 0000000000000000
[   12.996632][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   12.996951][  T239] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffede1efd0
| [   13.055246][  T240] ------------[ cut here ]------------
| [   13.055473][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/240
| [   13.055729][  T240] Modules linked in: netdevsim
| [   13.056156][  T240] Tainted: [W]=WARN
[   13.056287][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.056473][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.056651][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.057130][  T240] RSP: 0018:ffa00000008d7020 EFLAGS: 00010286
[   13.057309][  T240] RAX: 00000000ffffffa6 RBX: ff11000004b0bcc0 RCX: 1ff400000011adca
[   13.057518][  T240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0bd70
[   13.057722][  T240] RBP: ff11000009c21000 R08: 1fe22000009617af R09: ff11000004c75180
[   13.057927][  T240] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.058131][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.058351][  T240] FS:  00007f94ca24e840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   13.058596][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.058775][  T240] CR2: 0000000029fbd988 CR3: 000000000ec68006 CR4: 0000000000771ef0
[   13.058988][  T240] PKRU: 55555554
[   13.059093][  T240] Call Trace:
[   13.059205][  T240]  <TASK>
[   13.059278][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.059495][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.059601][  T240]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.059737][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   13.059875][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   13.060015][  T240]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.060152][  T240]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.060300][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.060509][  T240]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.060648][  T240]  netif_change_flags (net/core/dev.c:9820)
[   13.060787][  T240]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.060923][  T240]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.061059][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.061239][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.061525][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.061679][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.061822][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.061961][  T240]  ? __kernel_text_address (kernel/extable.c:79)
[   13.062101][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.062244][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.062442][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.062579][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.062714][  T240]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.062850][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.062985][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.063120][  T240]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.063268][  T240]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.063477][  T240]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.063618][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.063762][  T240]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.063968][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.064181][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.069397][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.069542][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.069679][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.069813][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.069947][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.070125][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.070302][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.070503][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.070663][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.070815][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.070951][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.071137][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.071287][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.071493][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.071634][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.071772][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.071917][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.072118][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.072324][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.072632][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.072834][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.073010][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.073169][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.073480][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.073625][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.073773][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.073915][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.074071][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.074215][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.074456][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.074649][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   13.074814][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.074987][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.075195][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   13.075427][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.075608][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.075836][  T240]  __sys_sendmsg (net/socket.c:2784)
[   13.076045][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.076261][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.076539][  T240]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.076680][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.076815][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.076950][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.077090][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.077237][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.077467][  T240] RIP: 0033:0x7f94ca48808e
[   13.077612][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.078177][  T240] RSP: 002b:00007ffcba658450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.078463][  T240] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f94ca48808e
[   13.078672][  T240] RDX: 0000000000000000 RSI: 00007ffcba658500 RDI: 0000000000000005
[   13.078877][  T240] RBP: 00007ffcba658460 R08: 0000000000000000 R09: 0000000000000000
[   13.079085][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   13.079290][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcba658bd0
| [   13.474951][  T261] ------------[ cut here ]------------
| [   13.475147][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/261
| [   13.475443][  T261] Modules linked in: netdevsim
| [   13.475887][  T261] Tainted: [W]=WARN
[   13.475996][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.476190][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.476384][  T261] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.476921][  T261] RSP: 0018:ffa0000000957010 EFLAGS: 00010286
[   13.477103][  T261] RAX: 00000000ffffffa6 RBX: ff11000004ec01c0 RCX: 1ff400000012adc8
[   13.477731][  T261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0270
[   13.477943][  T261] RBP: ff11000009c21000 R08: 1fe22000009d804f R09: ff1100000ce7d180
[   13.478149][  T261] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.478372][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000957100
[   13.478587][  T261] FS:  00007fbf31f0d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   13.478831][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.479011][  T261] CR2: 000000002f0c0988 CR3: 000000000dc75003 CR4: 0000000000771ef0
[   13.479223][  T261] PKRU: 55555554
[   13.479337][  T261] Call Trace:
[   13.479445][  T261]  <TASK>
[   13.479523][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.479673][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.479781][  T261]  netif_close_many (net/core/dev.c:1804)
[   13.479918][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.480055][  T261]  ? __dev_close_many (net/core/dev.c:1781)
[   13.480200][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.480351][  T261]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.480495][  T261]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.480634][  T261]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   13.480813][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.480952][  T261]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.481125][  T261]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.481271][  T261]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.481415][  T261]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.481589][  T261]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.481730][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.481872][  T261]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.482019][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.482161][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.482308][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.482459][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.482601][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.482796][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.482995][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.483207][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.483374][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.483515][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.483654][  T261]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   13.483794][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.483930][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.484067][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.484215][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.484360][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.484500][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.484638][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.484775][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.484912][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.485053][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.485270][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.485420][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.485559][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.485699][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.485842][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.485978][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.486117][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.486260][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.486404][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.486542][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.486680][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.486821][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.486961][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.487101][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.487242][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.487420][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   13.487564][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.487703][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.487844][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   13.487982][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.488155][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.488308][  T261]  __sys_sendmsg (net/socket.c:2784)
[   13.488452][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.488590][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.488774][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.488913][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.489054][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.489198][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.489343][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.489487][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.489660][  T261] RIP: 0033:0x7fbf3214708e
[   13.489807][  T261] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.490297][  T261] RSP: 002b:00007ffd45920aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.490512][  T261] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbf3214708e
[   13.490718][  T261] RDX: 0000000000000000 RSI: 00007ffd45920b50 RDI: 0000000000000005
[   13.490923][  T261] RBP: 00007ffd45920ab0 R08: 0000000000000000 R09: 0000000000000000
[   13.491128][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   13.491374][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45921220
| [   13.494225][  T261] ------------[ cut here ]------------
| [   13.494380][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/261
| [   13.494609][  T261] Modules linked in: netdevsim
| [   13.495010][  T261] Tainted: [W]=WARN
[   13.495108][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.495274][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.495519][  T261] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.496064][  T261] RSP: 0018:ffa0000000957190 EFLAGS: 00010286
[   13.496232][  T261] RAX: 00000000ffffffa6 RBX: ff11000004f93b40 RCX: 1ff400000012adf8
[   13.496520][  T261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93bf0
[   13.496715][  T261] RBP: ff11000009c21000 R08: 1fe22000009f277f R09: ff1100000ce7d158
[   13.496911][  T261] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.497103][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.497308][  T261] FS:  00007fbf31f0d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   13.497617][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.497779][  T261] CR2: 000000002f0c0988 CR3: 000000000dc75003 CR4: 0000000000771ef0
[   13.497972][  T261] PKRU: 55555554
[   13.498068][  T261] Call Trace:
[   13.498174][  T261]  <TASK>
[   13.498254][  T261]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.498503][  T261]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.498666][  T261]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.498796][  T261]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.498924][  T261]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.499087][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.499225][  T261]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.499423][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.499551][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.499683][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.499811][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.499938][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.500088][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.500220][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.500481][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.500609][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.500751][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.500879][  T261]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   13.501011][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.501140][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.501273][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.501500][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.501630][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.501757][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.501888][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.502018][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.502147][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.502283][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.502446][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.502631][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.502841][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.503015][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.503152][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.503289][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.503430][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.503562][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.503690][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.503824][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.503955][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.504091][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.504255][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.504396][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.504530][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.504695][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   13.504825][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.504956][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.505093][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   13.505230][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.505406][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.505551][  T261]  __sys_sendmsg (net/socket.c:2784)
[   13.505681][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.505812][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.505976][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.506107][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.506252][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.506389][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.506520][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.506654][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.506822][  T261] RIP: 0033:0x7fbf3214708e
[   13.506962][  T261] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.507444][  T261] RSP: 002b:00007ffd45920aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.507639][  T261] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbf3214708e
[   13.507833][  T261] RDX: 0000000000000000 RSI: 00007ffd45920b50 RDI: 0000000000000005
[   13.508040][  T261] RBP: 00007ffd45920ab0 R08: 0000000000000000 R09: 0000000000000000
[   13.508245][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   13.508451][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45921220
| [   13.601778][  T270] ------------[ cut here ]------------
| [   13.601979][  T270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/270
| [   13.602250][  T270] Modules linked in: netdevsim
| [   13.603365][  T270] Tainted: [W]=WARN
[   13.603482][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.603673][  T270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.603879][  T270] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.604458][  T270] RSP: 0018:ffa00000009c71b0 EFLAGS: 00010286
[   13.604658][  T270] RAX: 00000000ffffffa6 RBX: ff11000004f927c0 RCX: 1ff4000000138dfc
[   13.604883][  T270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92870
[   13.605119][  T270] RBP: ff11000005c54000 R08: 1fe22000009f250f R09: ff1100000c718ba8
[   13.605362][  T270] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.605587][  T270] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.605818][  T270] FS:  00007f7ec27bf840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   13.606074][  T270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.606262][  T270] CR2: 00000000004a77b8 CR3: 0000000004dbc005 CR4: 0000000000771ef0
[   13.606487][  T270] PKRU: 55555554
[   13.606595][  T270] Call Trace:
[   13.606708][  T270]  <TASK>
[   13.606783][  T270]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.606930][  T270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.607076][  T270]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.607232][  T270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.607351][  T270]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   13.607503][  T270]  __dev_notify_flags (net/core/dev.c:9787)
[   13.607650][  T270]  ? netif_change_name (net/core/dev.c:1495)
[   13.607802][  T270]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.607980][  T270]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.608123][  T270]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.608273][  T270]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.608422][  T270]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.608571][  T270]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.608755][  T270]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.608912][  T270]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.609062][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.609224][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.609378][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.609526][  T270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.609672][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.609821][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.609968][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.610114][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.610294][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.610441][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.610584][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.610729][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.610870][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.611012][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.611157][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.611305][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.611453][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.611595][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.611737][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.611913][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.612056][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.612207][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.612354][  T270]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.612495][  T270]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.612638][  T270]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.612782][  T270]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.612923][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.613097][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   13.613244][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.613395][  T270]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   13.613536][  T270]  ___sys_sendmsg (net/socket.c:2752)
[   13.613678][  T270]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   13.613820][  T270]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.613964][  T270]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   13.614108][  T270]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.614258][  T270]  __sys_sendmsg (net/socket.c:2784)
[   13.614429][  T270]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.614575][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.614715][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.614872][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.615014][  T270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.615155][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.615301][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.615481][  T270] RIP: 0033:0x7f7ec29f908e
[   13.615638][  T270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.616148][  T270] RSP: 002b:00007ffc3a14d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.616386][  T270] RAX: ffffffffffffffda RBX: 00007ffc3a14dbb0 RCX: 00007f7ec29f908e
[   13.616616][  T270] RDX: 0000000000000000 RSI: 00007ffc3a14d4b0 RDI: 0000000000000005
[   13.616852][  T270] RBP: 00007ffc3a14d410 R08: 0000000000000000 R09: 0000000000000000
[   13.617069][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   13.617287][  T270] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3a14db80
| [   13.656967][  T271] ------------[ cut here ]------------
| [   13.657230][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/271
| [   13.657756][  T271] Modules linked in: netdevsim
| [   13.658482][  T271] Tainted: [W]=WARN
[   13.658693][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.658995][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.659240][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.659791][  T271] RSP: 0018:ffa00000009d7020 EFLAGS: 00010286
[   13.660018][  T271] RAX: 00000000ffffffa6 RBX: ff11000005d404c0 RCX: 1ff400000013adca
[   13.660283][  T271] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d40570
[   13.660557][  T271] RBP: ff11000005c54000 R08: 1fe2200000ba80af R09: ff1100000c00d180
[   13.660811][  T271] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.661069][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.661353][  T271] FS:  00007f6740dab840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   13.661647][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.661867][  T271] CR2: 000000003d60e988 CR3: 000000000b037001 CR4: 0000000000771ef0
[   13.662123][  T271] PKRU: 55555554
[   13.662284][  T271] Call Trace:
[   13.662453][  T271]  <TASK>
[   13.662572][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.662768][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.662924][  T271]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.663112][  T271]  __dev_notify_flags (net/core/dev.c:9787)
[   13.663310][  T271]  ? netif_change_name (net/core/dev.c:1495)
[   13.663512][  T271]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.663700][  T271]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.663885][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.664084][  T271]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.664285][  T271]  netif_change_flags (net/core/dev.c:9820)
[   13.664487][  T271]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.664676][  T271]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.664860][  T271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.665078][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.665277][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.665498][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.665701][  T271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.665886][  T271]  ? __kernel_text_address (kernel/extable.c:79)
[   13.666075][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.666271][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.666472][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.666666][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.666851][  T271]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.667034][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.667229][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.667431][  T271]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.667618][  T271]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.667806][  T271]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.667991][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.668190][  T271]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.668396][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.668588][  T271]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.668775][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.668977][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.669175][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.669374][  T271]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.669558][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.669751][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.669936][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.670122][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.670322][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.670525][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.670713][  T271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.670901][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.671094][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.671286][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.671490][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.671678][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.671866][  T271]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.672053][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.672253][  T271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.672456][  T271]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.672644][  T271]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.672834][  T271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.673025][  T271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.673216][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.673424][  T271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.673615][  T271]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.673804][  T271]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.673998][  T271]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.674194][  T271]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.674395][  T271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.674612][  T271]  ? move_addr_to_kernel (net/socket.c:258)
[   13.674799][  T271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.674985][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.675181][  T271]  ___sys_sendmsg (net/socket.c:2752)
[   13.675380][  T271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.675608][  T271]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.675809][  T271]  __sys_sendmsg (net/socket.c:2784)
[   13.675994][  T271]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.676186][  T271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.676426][  T271]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.676613][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.676796][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.676983][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.677177][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.677387][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.677627][  T271] RIP: 0033:0x7f6740fe508e
[   13.677829][  T271] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.678426][  T271] RSP: 002b:00007fff8b27eca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.678713][  T271] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6740fe508e
[   13.678983][  T271] RDX: 0000000000000000 RSI: 00007fff8b27ed50 RDI: 0000000000000005
[   13.679246][  T271] RBP: 00007fff8b27ecb0 R08: 0000000000000000 R09: 0000000000000000
[   13.679527][  T271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf63
[   13.679817][  T271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8b27f420
| [   14.070990][  T292] ------------[ cut here ]------------
| [   14.071180][  T292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/292
| [   14.071854][  T292] Modules linked in: netdevsim
| [   14.072436][  T292] Tainted: [W]=WARN
[   14.072545][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.072722][  T292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.072906][  T292] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.073406][  T292] RSP: 0018:ffa0000000a67010 EFLAGS: 00010286
[   14.073583][  T292] RAX: 00000000ffffffa6 RBX: ff11000009111b40 RCX: 1ff400000014cdc8
[   14.073787][  T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111bf0
[   14.073991][  T292] RBP: ff11000005c54000 R08: 1fe220000122237f R09: ff1100000ae68b80
[   14.074206][  T292] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   14.074417][  T292] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000a67100
[   14.074628][  T292] FS:  00007f196951d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.074871][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.075045][  T292] CR2: 0000000030212988 CR3: 000000000c337003 CR4: 0000000000771ef0
[   14.075254][  T292] PKRU: 55555554
[   14.075362][  T292] Call Trace:
[   14.075464][  T292]  <TASK>
[   14.075535][  T292]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.075675][  T292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.075785][  T292]  netif_close_many (net/core/dev.c:1804)
[   14.075928][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.076065][  T292]  ? __dev_close_many (net/core/dev.c:1781)
[   14.076205][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.076347][  T292]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.076485][  T292]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.076619][  T292]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   14.076791][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.076928][  T292]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.077100][  T292]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.077242][  T292]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.077399][  T292]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.077574][  T292]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.077709][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.077847][  T292]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.078036][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.078219][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.078434][  T292]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.078592][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.078729][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.078888][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.079024][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.079161][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.079303][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.079447][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.079583][  T292]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   14.079721][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.079856][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.079996][  T292]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.080134][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.080276][  T292]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.080418][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.080555][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.080689][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.080824][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.080963][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.081099][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.081244][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.081389][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.081528][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.081668][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.081807][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.081948][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.082084][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.082225][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.082369][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.082506][  T292]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.082644][  T292]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.082789][  T292]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.082926][  T292]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.083061][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.083233][  T292]  ? move_addr_to_kernel (net/socket.c:258)
[   14.083376][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.083513][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.083654][  T292]  ___sys_sendmsg (net/socket.c:2752)
[   14.083788][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.083958][  T292]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.084106][  T292]  __sys_sendmsg (net/socket.c:2784)
[   14.084250][  T292]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.084419][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.084594][  T292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.084787][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.085000][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.085217][  T292]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.085437][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.085654][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.085918][  T292] RIP: 0033:0x7f196975708e
[   14.086146][  T292] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.086765][  T292] RSP: 002b:00007ffe47744dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.086982][  T292] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f196975708e
[   14.087198][  T292] RDX: 0000000000000000 RSI: 00007ffe47744e70 RDI: 0000000000000005
[   14.087415][  T292] RBP: 00007ffe47744dd0 R08: 0000000000000000 R09: 0000000000000000
[   14.087626][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf64
[   14.087882][  T292] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe47745540
| [   14.091546][  T292] ------------[ cut here ]------------
| [   14.091696][  T292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/292
| [   14.091925][  T292] Modules linked in: netdevsim
| [   14.092428][  T292] Tainted: [W]=WARN
[   14.092527][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.092710][  T292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.092878][  T292] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.093531][  T292] RSP: 0018:ffa0000000a67190 EFLAGS: 00010286
[   14.093694][  T292] RAX: 00000000ffffffa6 RBX: ff110000094a5e40 RCX: 1ff400000014cdf8
[   14.093888][  T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5ef0
[   14.094078][  T292] RBP: ff11000005c54000 R08: 1fe2200001294bdf R09: ff1100000ae68b58
[   14.094272][  T292] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.094544][  T292] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.094737][  T292] FS:  00007f196951d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.094963][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.095204][  T292] CR2: 0000000030212988 CR3: 000000000c337003 CR4: 0000000000771ef0
[   14.095699][  T292] PKRU: 55555554
[   14.095799][  T292] Call Trace:
[   14.095897][  T292]  <TASK>
[   14.095969][  T292]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.096137][  T292]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.096307][  T292]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.096591][  T292]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.096725][  T292]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.096891][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.097027][  T292]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.097159][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.097293][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.097565][  T292]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.097697][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.097849][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.098047][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.098220][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.098416][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.098631][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.098757][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.098884][  T292]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   14.099014][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.099231][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.099367][  T292]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.099492][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.099620][  T292]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.099825][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.099952][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.100083][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.100213][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.100344][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.100469][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.100595][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.100727][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.101020][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.101163][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.101296][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.101432][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.101642][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.101770][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.101901][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.102029][  T292]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.102244][  T292]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.102382][  T292]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.102510][  T292]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.102641][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.102889][  T292]  ? move_addr_to_kernel (net/socket.c:258)
[   14.103021][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.103150][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.103284][  T292]  ___sys_sendmsg (net/socket.c:2752)
[   14.103418][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.103581][  T292]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.103721][  T292]  __sys_sendmsg (net/socket.c:2784)
[   14.103850][  T292]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.104059][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.104238][  T292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.104371][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.104501][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.104716][  T292]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.104858][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.104992][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.105245][  T292] RIP: 0033:0x7f196975708e
[   14.105393][  T292] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.105934][  T292] RSP: 002b:00007ffe47744dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.106130][  T292] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f196975708e
[   14.106333][  T292] RDX: 0000000000000000 RSI: 00007ffe47744e70 RDI: 0000000000000005
[   14.106609][  T292] RBP: 00007ffe47744dd0 R08: 0000000000000000 R09: 0000000000000000
[   14.106797][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf64
[   14.107073][  T292] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe47745540
| [   14.248846][  T302] ------------[ cut here ]------------
| [   14.249152][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/302
| [   14.249561][  T302] Modules linked in: netdevsim
| [   14.250172][  T302] Tainted: [W]=WARN
[   14.250290][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.250484][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.250678][  T302] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.251195][  T302] RSP: 0018:ffa0000000ae71b0 EFLAGS: 00010286
[   14.251386][  T302] RAX: 00000000ffffffa6 RBX: ff110000094a47c0 RCX: 1ff400000015cdfc
[   14.251603][  T302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4870
[   14.251826][  T302] RBP: ff1100000c5b1000 R08: 1fe220000129490f R09: ff1100000c308ba8
[   14.252049][  T302] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.252298][  T302] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.252519][  T302] FS:  00007f8105098840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.252773][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.252956][  T302] CR2: 00000000004a77b8 CR3: 000000000c0c8004 CR4: 0000000000771ef0
[   14.253183][  T302] PKRU: 55555554
[   14.253311][  T302] Call Trace:
[   14.253428][  T302]  <TASK>
[   14.253507][  T302]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.253654][  T302]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.253799][  T302]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.253943][  T302]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.254051][  T302]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   14.254204][  T302]  __dev_notify_flags (net/core/dev.c:9787)
[   14.254360][  T302]  ? netif_change_name (net/core/dev.c:1495)
[   14.254507][  T302]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.254683][  T302]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.254831][  T302]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.254974][  T302]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.255117][  T302]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.255270][  T302]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.255425][  T302]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.255572][  T302]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.255720][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.255863][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.256010][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.256152][  T302]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.256299][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.256670][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.256838][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.256981][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.257122][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.257270][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.257481][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.257628][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.257769][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.257912][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.258056][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.258207][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.258432][  T302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.258576][  T302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.258721][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.258959][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.259101][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.259251][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.259409][  T302]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.259558][  T302]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.259703][  T302]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.259848][  T302]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.259991][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.260174][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   14.260322][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.260472][  T302]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   14.260620][  T302]  ___sys_sendmsg (net/socket.c:2752)
[   14.260760][  T302]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   14.260903][  T302]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.261049][  T302]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   14.261285][  T302]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.261466][  T302]  __sys_sendmsg (net/socket.c:2784)
[   14.261611][  T302]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.261756][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.261909][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.262052][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.262200][  T302]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.262349][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.262494][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.262673][  T302] RIP: 0033:0x7f81052d208e
[   14.262824][  T302] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.263341][  T302] RSP: 002b:00007ffe4336b1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.263558][  T302] RAX: ffffffffffffffda RBX: 00007ffe4336b980 RCX: 00007f81052d208e
[   14.263770][  T302] RDX: 0000000000000000 RSI: 00007ffe4336b280 RDI: 0000000000000005
[   14.263986][  T302] RBP: 00007ffe4336b1e0 R08: 0000000000000000 R09: 0000000000000000
[   14.264207][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf64
[   14.264424][  T302] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4336b950
| [   14.297733][  T303] ------------[ cut here ]------------
| [   14.297968][  T303] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/303
| [   14.298275][  T303] Modules linked in: netdevsim
| [   14.299009][  T303] Tainted: [W]=WARN
[   14.299259][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.299577][  T303] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.299909][  T303] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.300638][  T303] RSP: 0018:ffa0000000af7020 EFLAGS: 00010286
[   14.300923][  T303] RAX: 00000000ffffffa6 RBX: ff11000004b0b0c0 RCX: 1ff400000015edca
[   14.301177][  T303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b170
[   14.301445][  T303] RBP: ff1100000c5b1000 R08: 1fe220000096162f R09: ff1100000ae6ae80
[   14.301694][  T303] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.301946][  T303] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.302204][  T303] FS:  00007ffba0dbc840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   14.302506][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.302725][  T303] CR2: 00000000056cb988 CR3: 00000000091a9006 CR4: 0000000000771ef0
[   14.302979][  T303] PKRU: 55555554
[   14.303130][  T303] Call Trace:
[   14.303289][  T303]  <TASK>
[   14.303419][  T303]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.303610][  T303]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.303762][  T303]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.303947][  T303]  __dev_notify_flags (net/core/dev.c:9787)
[   14.304136][  T303]  ? netif_change_name (net/core/dev.c:1495)
[   14.304339][  T303]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.304527][  T303]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.304710][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.304898][  T303]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.305085][  T303]  netif_change_flags (net/core/dev.c:9820)
[   14.305283][  T303]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.305499][  T303]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.305713][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.305950][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.306141][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.306348][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.306534][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.306721][  T303]  ? __kernel_text_address (kernel/extable.c:79)
[   14.306906][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.307100][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.307292][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.307489][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.307672][  T303]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.307856][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.308042][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.308236][  T303]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.308435][  T303]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.308626][  T303]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.308811][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.308997][  T303]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.309206][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.309412][  T303]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.309600][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.309783][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.309969][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.310154][  T303]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.310389][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.310579][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.310761][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.310946][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.311132][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.311370][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.311576][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.311840][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.312094][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.312381][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.312638][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.312893][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.313119][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.313399][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.313591][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.313785][  T303]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.313968][  T303]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.314158][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.314376][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.314561][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.314746][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.314935][  T303]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.315120][  T303]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.315320][  T303]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.315519][  T303]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.315704][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.315919][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   14.316107][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.316305][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.316504][  T303]  ___sys_sendmsg (net/socket.c:2752)
[   14.316687][  T303]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.316924][  T303]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.317120][  T303]  __sys_sendmsg (net/socket.c:2784)
[   14.317313][  T303]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.317510][  T303]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.317735][  T303]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.317921][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.318126][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.318320][  T303]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.318519][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.318706][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.318933][  T303] RIP: 0033:0x7ffba0ff608e
[   14.319124][  T303] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.319675][  T303] RSP: 002b:00007ffc8b1dc3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.319927][  T303] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffba0ff608e
[   14.320187][  T303] RDX: 0000000000000000 RSI: 00007ffc8b1dc470 RDI: 0000000000000005
[   14.320460][  T303] RBP: 00007ffc8b1dc3d0 R08: 0000000000000000 R09: 0000000000000000
[   14.320802][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf64
[   14.321186][  T303] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8b1dcb40
| [   14.365260][  T305] ------------[ cut here ]------------
| [   14.365909][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/305
| [   14.366183][  T305] Modules linked in: netdevsim
| [   14.366663][  T305] Tainted: [W]=WARN
[   14.366794][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.366975][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.367160][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.367707][  T305] RSP: 0018:ffa0000000b071b0 EFLAGS: 00010286
[   14.367892][  T305] RAX: 00000000ffffffa6 RBX: ff11000004b0b9c0 RCX: 1ff4000000160dfc
[   14.368113][  T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0ba70
[   14.368338][  T305] RBP: ff11000004c8c000 R08: 1fe220000096174f R09: ff1100000c2e0ba8
[   14.368548][  T305] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.368760][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.368976][  T305] FS:  00007f454f931840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.369227][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.369409][  T305] CR2: 00000000004a77b8 CR3: 000000000b242002 CR4: 0000000000771ef0
[   14.369619][  T305] PKRU: 55555554
[   14.369727][  T305] Call Trace:
[   14.369834][  T305]  <TASK>
[   14.369908][  T305]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.370052][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.370228][  T305]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.370425][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.370582][  T305]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   14.370789][  T305]  __dev_notify_flags (net/core/dev.c:9787)
[   14.371006][  T305]  ? netif_change_name (net/core/dev.c:1495)
[   14.371227][  T305]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.371471][  T305]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.371614][  T305]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.371772][  T305]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.371973][  T305]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.372140][  T305]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.372384][  T305]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.372584][  T305]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.372730][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.372872][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.373015][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.373154][  T305]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.373298][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.373450][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.373593][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.373734][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.373877][  T305]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.374017][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.374156][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.374304][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.374448][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.374589][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.374728][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.374869][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.375016][  T305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.375158][  T305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.375309][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.375454][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.375593][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.375734][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.375874][  T305]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.376048][  T305]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.376197][  T305]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.376343][  T305]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.376485][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.376660][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   14.376801][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.376941][  T305]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   14.377085][  T305]  ___sys_sendmsg (net/socket.c:2752)
[   14.377233][  T305]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   14.377378][  T305]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.377522][  T305]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   14.377666][  T305]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.377808][  T305]  __sys_sendmsg (net/socket.c:2784)
[   14.377949][  T305]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.378115][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.378272][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.378418][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.378560][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.378701][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.378842][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.379016][  T305] RIP: 0033:0x7f454fb6b08e
[   14.379165][  T305] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.379763][  T305] RSP: 002b:00007fff5b11a530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.380087][  T305] RAX: ffffffffffffffda RBX: 00007fff5b11ace0 RCX: 00007f454fb6b08e
[   14.380411][  T305] RDX: 0000000000000000 RSI: 00007fff5b11a5e0 RDI: 0000000000000005
[   14.380725][  T305] RBP: 00007fff5b11a540 R08: 0000000000000000 R09: 0000000000000000
[   14.380944][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf64
[   14.381156][  T305] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5b11acb0
| [   14.423186][  T306] ------------[ cut here ]------------
| [   14.423630][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   14.423909][  T306] Modules linked in: netdevsim
| [   14.424360][  T306] Tainted: [W]=WARN
[   14.424468][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.424639][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.424817][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.425435][  T306] RSP: 0018:ffa0000000b17020 EFLAGS: 00010286
[   14.425612][  T306] RAX: 00000000ffffffa6 RBX: ff11000004ec1240 RCX: 1ff4000000162dca
[   14.425818][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec12f0
[   14.426037][  T306] RBP: ff11000004c8c000 R08: 1fe22000009d825f R09: ff1100000c295180
[   14.426251][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.426464][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.426669][  T306] FS:  00007fa5f1051840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.426910][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.427083][  T306] CR2: 00007fa5f13211a0 CR3: 0000000004b73004 CR4: 0000000000771ef0
[   14.427294][  T306] PKRU: 55555554
[   14.427402][  T306] Call Trace:
[   14.427505][  T306]  <TASK>
[   14.427577][  T306]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   14.427717][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.427857][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.427962][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.428118][  T306]  __dev_notify_flags (net/core/dev.c:9787)
[   14.428264][  T306]  ? netif_change_name (net/core/dev.c:1495)
[   14.428408][  T306]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.428544][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.428679][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.428817][  T306]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.428960][  T306]  netif_change_flags (net/core/dev.c:9820)
[   14.429100][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.429249][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.429394][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.429586][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.429723][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.429868][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.430006][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.430146][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   14.430292][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.430450][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.430588][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.430726][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.430862][  T306]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.430996][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.431130][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.431277][  T306]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.431420][  T306]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.431557][  T306]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.431694][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.431832][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.431974][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.432132][  T306]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.432394][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.432572][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.432762][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.432959][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.433121][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.433279][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.433427][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.433566][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.433703][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.433843][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.433980][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.434117][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.434262][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.434421][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.434564][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.434700][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.434838][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.434973][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.435107][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.435251][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.435395][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.435533][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.435670][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.435805][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.435944][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.436082][  T306]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.436226][  T306]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.436369][  T306]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.436507][  T306]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.436642][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.436815][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   14.436956][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.437093][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.437276][  T306]  ___sys_sendmsg (net/socket.c:2752)
[   14.437417][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.437587][  T306]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.437737][  T306]  __sys_sendmsg (net/socket.c:2784)
[   14.437884][  T306]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.438025][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.438207][  T306]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.438352][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.438490][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.438625][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.438767][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.438904][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.439074][  T306] RIP: 0033:0x7fa5f128b08e
[   14.439229][  T306] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.439744][  T306] RSP: 002b:00007ffcc363d350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.439956][  T306] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa5f128b08e
[   14.440173][  T306] RDX: 0000000000000000 RSI: 00007ffcc363d400 RDI: 0000000000000005
[   14.440390][  T306] RBP: 00007ffcc363d360 R08: 0000000000000000 R09: 0000000000000000
[   14.440598][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf64
[   14.440806][  T306] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc363dad0
| [   14.873800][  T329] ------------[ cut here ]------------
| [   14.874025][  T329] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/329
| [   14.874296][  T329] Modules linked in: netdevsim
| [   14.875277][  T329] Tainted: [W]=WARN
[   14.875421][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.875599][  T329] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.875810][  T329] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.876342][  T329] RSP: 0018:ffa0000000b87010 EFLAGS: 00010286
[   14.876548][  T329] RAX: 00000000ffffffa6 RBX: ff11000004ec1cc0 RCX: 1ff4000000170dc8
[   14.876780][  T329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1d70
[   14.877014][  T329] RBP: ff1100000c5b1000 R08: 1fe22000009d83af R09: ff1100000c008b80
[   14.877242][  T329] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   14.877475][  T329] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000b87100
[   14.877719][  T329] FS:  00007fa02792d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.877997][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.878227][  T329] CR2: 0000000021946988 CR3: 000000000c5fb001 CR4: 0000000000771ef0
[   14.878469][  T329] PKRU: 55555554
[   14.878601][  T329] Call Trace:
[   14.878708][  T329]  <TASK>
[   14.878783][  T329]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.878922][  T329]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.879028][  T329]  netif_close_many (net/core/dev.c:1804)
[   14.879167][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.879318][  T329]  ? __dev_close_many (net/core/dev.c:1781)
[   14.879467][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.879607][  T329]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.879749][  T329]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.879902][  T329]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   14.880076][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.880219][  T329]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.880393][  T329]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.880531][  T329]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.880666][  T329]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.880839][  T329]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.880975][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.881113][  T329]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.881260][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.881402][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.881538][  T329]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.881674][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.881812][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.881968][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.882105][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.882249][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.882397][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.882534][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.882671][  T329]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   14.882813][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.882949][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.883085][  T329]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.883228][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.883374][  T329]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.883514][  T329]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.883653][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.883791][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.883934][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.884075][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.884220][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.884369][  T329]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.884510][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.884652][  T329]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.884795][  T329]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.884936][  T329]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.885083][  T329]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.885230][  T329]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.885375][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.885518][  T329]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.885661][  T329]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.885802][  T329]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.885947][  T329]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.886092][  T329]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.886237][  T329]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.886414][  T329]  ? move_addr_to_kernel (net/socket.c:258)
[   14.886557][  T329]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.886700][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.886843][  T329]  ___sys_sendmsg (net/socket.c:2752)
[   14.886984][  T329]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.887165][  T329]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.887325][  T329]  __sys_sendmsg (net/socket.c:2784)
[   14.887472][  T329]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.887612][  T329]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.887790][  T329]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.887931][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.888076][  T329]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.888225][  T329]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.888373][  T329]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.888513][  T329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.888689][  T329] RIP: 0033:0x7fa027b6708e
[   14.888837][  T329] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.889348][  T329] RSP: 002b:00007ffc4ef93320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.889564][  T329] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa027b6708e
[   14.889774][  T329] RDX: 0000000000000000 RSI: 00007ffc4ef933d0 RDI: 0000000000000005
[   14.889985][  T329] RBP: 00007ffc4ef93330 R08: 0000000000000000 R09: 0000000000000000
[   14.890209][  T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   14.890433][  T329] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4ef93aa0
| [   14.893648][  T329] ------------[ cut here ]------------
| [   14.893884][  T329] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/329
| [   14.894120][  T329] Modules linked in: netdevsim
| [   14.894962][  T329] Tainted: [W]=WARN
[   14.895070][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.895245][  T329] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.895426][  T329] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.895897][  T329] RSP: 0018:ffa0000000b87190 EFLAGS: 00010286
[   14.896067][  T329] RAX: 00000000ffffffa6 RBX: ff11000004ec04c0 RCX: 1ff4000000170df8
[   14.896271][  T329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0570
[   14.896472][  T329] RBP: ff1100000c5b1000 R08: 1fe22000009d80af R09: ff1100000c008b58
[   14.896673][  T329] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.896958][  T329] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.897161][  T329] FS:  00007fa02792d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.897405][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.897656][  T329] CR2: 0000000021946988 CR3: 000000000c5fb001 CR4: 0000000000771ef0
[   14.897858][  T329] PKRU: 55555554
[   14.897960][  T329] Call Trace:
[   14.898059][  T329]  <TASK>
[   14.898219][  T329]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.898398][  T329]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.898562][  T329]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.898698][  T329]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.898915][  T329]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.899083][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.899225][  T329]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.899365][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.899502][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.899636][  T329]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.899770][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.899985][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.900138][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.900277][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.900418][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.900632][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.900765][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.900900][  T329]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   14.901035][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.901254][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.901393][  T329]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.901532][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.901668][  T329]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.901883][  T329]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.902016][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.902147][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.902284][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.902506][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.902641][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.902777][  T329]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.902909][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.903125][  T329]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.903265][  T329]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.903403][  T329]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.903537][  T329]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.903750][  T329]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.903882][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.904016][  T329]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.904148][  T329]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.904374][  T329]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.904511][  T329]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.904645][  T329]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.904777][  T329]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.905026][  T329]  ? move_addr_to_kernel (net/socket.c:258)
[   14.905161][  T329]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.905301][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.905441][  T329]  ___sys_sendmsg (net/socket.c:2752)
[   14.905657][  T329]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.905823][  T329]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.905966][  T329]  __sys_sendmsg (net/socket.c:2784)
[   14.906099][  T329]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.906317][  T329]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.906491][  T329]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.906624][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.906758][  T329]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.906975][  T329]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.907113][  T329]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.907252][  T329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.907506][  T329] RIP: 0033:0x7fa027b6708e
[   14.907647][  T329] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.908216][  T329] RSP: 002b:00007ffc4ef93320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.908425][  T329] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa027b6708e
[   14.908627][  T329] RDX: 0000000000000000 RSI: 00007ffc4ef933d0 RDI: 0000000000000005
[   14.908908][  T329] RBP: 00007ffc4ef93330 R08: 0000000000000000 R09: 0000000000000000
[   14.909110][  T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   14.909409][  T329] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4ef93aa0
| [   14.966671][  T330] ------------[ cut here ]------------
| [   14.966860][  T330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/330
| [   14.967141][  T330] Modules linked in: netdevsim
| [   14.968387][  T330] Tainted: [W]=WARN
[   14.968495][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.968667][  T330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.968850][  T330] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.969410][  T330] RSP: 0018:ffa0000000b87010 EFLAGS: 00010286
[   14.969585][  T330] RAX: 00000000ffffffa6 RBX: ff11000005d40dc0 RCX: 1ff4000000170dc8
[   14.969792][  T330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d40e70
[   14.969995][  T330] RBP: ff11000004c8c000 R08: 1fe2200000ba81cf R09: ff1100000c00ae80
[   14.970205][  T330] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   14.970412][  T330] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000b87100
[   14.970620][  T330] FS:  00007f1ad3a4d840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   14.970863][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.971035][  T330] CR2: 0000000006381988 CR3: 0000000008e2e003 CR4: 0000000000771ef0
[   14.971248][  T330] PKRU: 55555554
[   14.971358][  T330] Call Trace:
[   14.971460][  T330]  <TASK>
[   14.971533][  T330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.971673][  T330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.971778][  T330]  netif_close_many (net/core/dev.c:1804)
[   14.971915][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.972053][  T330]  ? __dev_close_many (net/core/dev.c:1781)
[   14.972197][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.972341][  T330]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.972479][  T330]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.972614][  T330]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   14.972788][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.972924][  T330]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.973093][  T330]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.973238][  T330]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.973378][  T330]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.973550][  T330]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.973690][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.973830][  T330]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.973968][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.974105][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.974249][  T330]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.974391][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.974529][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.974686][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.974822][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.974960][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.975096][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.975239][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.975384][  T330]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   14.975524][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.975661][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.975798][  T330]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.975934][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.976074][  T330]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.976217][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.976366][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.976504][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.976640][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.976780][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.976917][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.977056][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.977196][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.977343][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.977487][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.977622][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.977760][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.977898][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.978035][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.978178][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.978346][  T330]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.978485][  T330]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.978624][  T330]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.978762][  T330]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.978898][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.979067][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   14.979213][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.979359][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.979499][  T330]  ___sys_sendmsg (net/socket.c:2752)
[   14.979635][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.979807][  T330]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.979956][  T330]  __sys_sendmsg (net/socket.c:2784)
[   14.980093][  T330]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.980253][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.980434][  T330]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.980575][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.980714][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.980852][  T330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.980992][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.981132][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.981309][  T330] RIP: 0033:0x7f1ad3c8708e
[   14.981462][  T330] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.981953][  T330] RSP: 002b:00007ffdf7300910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.982164][  T330] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1ad3c8708e
[   14.982379][  T330] RDX: 0000000000000000 RSI: 00007ffdf73009c0 RDI: 0000000000000005
[   14.982588][  T330] RBP: 00007ffdf7300920 R08: 0000000000000000 R09: 0000000000000000
[   14.982793][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   14.982996][  T330] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7301090
| [   14.986849][  T330] ------------[ cut here ]------------
| [   14.987027][  T330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/330
| [   14.987382][  T330] Modules linked in: netdevsim
| [   14.987954][  T330] Tainted: [W]=WARN
[   14.988054][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.988218][  T330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.988465][  T330] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.988952][  T330] RSP: 0018:ffa0000000b87190 EFLAGS: 00010286
[   14.989114][  T330] RAX: 00000000ffffffa6 RBX: ff11000005d419c0 RCX: 1ff4000000170df8
[   14.989313][  T330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d41a70
[   14.989609][  T330] RBP: ff11000004c8c000 R08: 1fe2200000ba834f R09: ff1100000c00ae58
[   14.989897][  T330] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.990125][  T330] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.990400][  T330] FS:  00007f1ad3a4d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   14.990676][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.990840][  T330] CR2: 0000000021946988 CR3: 0000000008e2e002 CR4: 0000000000771ef0
[   14.991033][  T330] PKRU: 55555554
[   14.991130][  T330] Call Trace:
[   14.991233][  T330]  <TASK>
[   14.991301][  T330]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.991472][  T330]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.991682][  T330]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.991813][  T330]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.991943][  T330]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.992105][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.992240][  T330]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.992373][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.992502][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.992631][  T330]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.992761][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.992889][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.993038][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.993166][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.993342][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.993528][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.993715][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.993907][  T330]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   14.994100][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.994300][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.994505][  T330]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.994697][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.994889][  T330]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.995079][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.995281][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.995481][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.995673][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.995880][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.996075][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.996288][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.996494][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.996693][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.996897][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.997098][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.997313][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.997524][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.997724][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.997923][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.998106][  T330]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.998303][  T330]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.998507][  T330]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.998697][  T330]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.998890][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.999079][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   14.999298][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.999437][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.999566][  T330]  ___sys_sendmsg (net/socket.c:2752)
[   14.999693][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.999852][  T330]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.999994][  T330]  __sys_sendmsg (net/socket.c:2784)
[   15.000121][  T330]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.000266][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.000450][  T330]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.000579][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.000707][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.000834][  T330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.000966][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.001099][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.001267][  T330] RIP: 0033:0x7f1ad3c8708e
[   15.001410][  T330] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.002008][  T330] RSP: 002b:00007ffdf7300910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.002290][  T330] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1ad3c8708e
[   15.002493][  T330] RDX: 0000000000000000 RSI: 00007ffdf73009c0 RDI: 0000000000000005
[   15.002684][  T330] RBP: 00007ffdf7300920 R08: 0000000000000000 R09: 0000000000000000
[   15.002874][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   15.003081][  T330] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7301090
| [   15.114119][  T339] ------------[ cut here ]------------
| [   15.114316][  T339] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/339
| [   15.114584][  T339] Modules linked in: netdevsim
| [   15.115023][  T339] Tainted: [W]=WARN
[   15.115138][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.115336][  T339] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.115540][  T339] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.116046][  T339] RSP: 0018:ffa0000000bd71b0 EFLAGS: 00010286
[   15.116241][  T339] RAX: 00000000ffffffa6 RBX: ff11000005cb36c0 RCX: 1ff400000017adfc
[   15.116465][  T339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cb3770
[   15.116674][  T339] RBP: ff1100000c409000 R08: 1fe2200000b966ef R09: ff11000008d651a8
[   15.116892][  T339] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.117109][  T339] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.117342][  T339] FS:  00007f208399f840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   15.117615][  T339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.117866][  T339] CR2: 00000000004a77b8 CR3: 000000000df67006 CR4: 0000000000771ef0
[   15.118081][  T339] PKRU: 55555554
[   15.118195][  T339] Call Trace:
[   15.118302][  T339]  <TASK>
[   15.118383][  T339]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.118527][  T339]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.118674][  T339]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.118815][  T339]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.118921][  T339]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   15.119064][  T339]  __dev_notify_flags (net/core/dev.c:9787)
[   15.119215][  T339]  ? netif_change_name (net/core/dev.c:1495)
[   15.119370][  T339]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.119554][  T339]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.119698][  T339]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.119839][  T339]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.119980][  T339]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.120120][  T339]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.120273][  T339]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.120536][  T339]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.120683][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.120868][  T339]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.121047][  T339]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.121218][  T339]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.121444][  T339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.121592][  T339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.121737][  T339]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.121879][  T339]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.122021][  T339]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.122161][  T339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.122308][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.122515][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.122741][  T339]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.122882][  T339]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.123026][  T339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.123199][  T339]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.123422][  T339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.123565][  T339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.123708][  T339]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.123849][  T339]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.123988][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.124136][  T339]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.124283][  T339]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.124435][  T339]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.124582][  T339]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.124724][  T339]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.124866][  T339]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.125042][  T339]  ? move_addr_to_kernel (net/socket.c:258)
[   15.125194][  T339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.125345][  T339]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.125489][  T339]  ___sys_sendmsg (net/socket.c:2752)
[   15.125631][  T339]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.125772][  T339]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.125921][  T339]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.126067][  T339]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.126214][  T339]  __sys_sendmsg (net/socket.c:2784)
[   15.126386][  T339]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.126531][  T339]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   15.126672][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.126816][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.126960][  T339]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.127102][  T339]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.127248][  T339]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.127398][  T339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.127586][  T339] RIP: 0033:0x7f2083bd908e
[   15.127737][  T339] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.128244][  T339] RSP: 002b:00007ffce62d35d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.128469][  T339] RAX: ffffffffffffffda RBX: 00007ffce62d3d80 RCX: 00007f2083bd908e
[   15.128682][  T339] RDX: 0000000000000000 RSI: 00007ffce62d3680 RDI: 0000000000000005
[   15.128899][  T339] RBP: 00007ffce62d35e0 R08: 0000000000000000 R09: 0000000000000000
[   15.129110][  T339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   15.129334][  T339] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce62d3d50
| [   15.179012][  T340] ------------[ cut here ]------------
| [   15.179269][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/340
| [   15.179660][  T340] Modules linked in: netdevsim
| [   15.180297][  T340] Tainted: [W]=WARN
[   15.180471][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.180743][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.181028][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.181806][  T340] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   15.182083][  T340] RAX: 00000000ffffffa6 RBX: ff11000005cb27c0 RCX: 1ff400000017cdca
[   15.182413][  T340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cb2870
[   15.182736][  T340] RBP: ff1100000c409000 R08: 1fe2200000b9650f R09: ff11000008d62e80
[   15.183059][  T340] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.183536][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.183863][  T340] FS:  00007f0329253840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   15.184246][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.184643][  T340] CR2: 0000000000e2a988 CR3: 000000000c187001 CR4: 0000000000771ef0
[   15.184970][  T340] PKRU: 55555554
[   15.185138][  T340] Call Trace:
[   15.185305][  T340]  <TASK>
[   15.185475][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.185705][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.185871][  T340]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.186090][  T340]  __dev_notify_flags (net/core/dev.c:9787)
[   15.186314][  T340]  ? netif_change_name (net/core/dev.c:1495)
[   15.186543][  T340]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.186762][  T340]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.186974][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.187196][  T340]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.187423][  T340]  netif_change_flags (net/core/dev.c:9820)
[   15.187640][  T340]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.187860][  T340]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.188077][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.188360][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.188578][  T340]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.188795][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.189013][  T340]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.189236][  T340]  ? __kernel_text_address (kernel/extable.c:79)
[   15.189458][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.189670][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.189880][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.190092][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.190312][  T340]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.190526][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.190731][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.190936][  T340]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.191144][  T340]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.191353][  T340]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.191559][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.191768][  T340]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.191983][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.192201][  T340]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.192418][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.192626][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.192839][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.193051][  T340]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.193271][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.193501][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.193719][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.193931][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.194158][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.194386][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.194600][  T340]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.194818][  T340]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.195032][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.195247][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.195471][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.195685][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.195909][  T340]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.196127][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.196358][  T340]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.196580][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.196794][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.197012][  T340]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.197231][  T340]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.197457][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.197674][  T340]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.197892][  T340]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.198112][  T340]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.198343][  T340]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.198558][  T340]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.198774][  T340]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.199039][  T340]  ? move_addr_to_kernel (net/socket.c:258)
[   15.199262][  T340]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.199487][  T340]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.199710][  T340]  ___sys_sendmsg (net/socket.c:2752)
[   15.199923][  T340]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.200201][  T340]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.200450][  T340]  __sys_sendmsg (net/socket.c:2784)
[   15.200668][  T340]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.200891][  T340]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.201169][  T340]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.201395][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.201611][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.201828][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.202041][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.202264][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.202549][  T340] RIP: 0033:0x7f032948d08e
[   15.202774][  T340] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.203552][  T340] RSP: 002b:00007fff69af7500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.203881][  T340] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f032948d08e
[   15.204215][  T340] RDX: 0000000000000000 RSI: 00007fff69af75b0 RDI: 0000000000000005
[   15.204545][  T340] RBP: 00007fff69af7510 R08: 0000000000000000 R09: 0000000000000000
[   15.204869][  T340] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   15.205195][  T340] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff69af7c80
| [   15.633500][  T361] ------------[ cut here ]------------
| [   15.633765][  T361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/361
| [   15.634151][  T361] Modules linked in: netdevsim
| [   15.634810][  T361] Tainted: [W]=WARN
[   15.634970][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.635241][  T361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.635524][  T361] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.636267][  T361] RSP: 0018:ffa0000000617010 EFLAGS: 00010286
[   15.636539][  T361] RAX: 00000000ffffffa6 RBX: ff11000004b0a040 RCX: 1ff40000000c2dc8
[   15.636851][  T361] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a0f0
[   15.637163][  T361] RBP: ff1100000c409000 R08: 1fe220000096141f R09: ff1100000c6b8b80
[   15.637487][  T361] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   15.637799][  T361] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000617100
[   15.638114][  T361] FS:  00007f1a25d04840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   15.638521][  T361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.638789][  T361] CR2: 000000003a61b988 CR3: 000000000c24f004 CR4: 0000000000771ef0
[   15.639107][  T361] PKRU: 55555554
[   15.639272][  T361] Call Trace:
[   15.639575][  T361]  <TASK>
[   15.639686][  T361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.639904][  T361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.640066][  T361]  netif_close_many (net/core/dev.c:1804)
[   15.640284][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.640639][  T361]  ? __dev_close_many (net/core/dev.c:1781)
[   15.640851][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.641198][  T361]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.641510][  T361]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.641721][  T361]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   15.641985][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.642203][  T361]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.642633][  T361]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.642842][  T361]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.643049][  T361]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.643316][  T361]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.643533][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.643745][  T361]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   15.643952][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.644161][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.644386][  T361]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.644593][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.644801][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.645048][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.645264][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.645480][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.645689][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.645896][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.646106][  T361]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   15.646333][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.646543][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.646755][  T361]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.646965][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.647181][  T361]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.647396][  T361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.647604][  T361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.647815][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.648026][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.648245][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.648462][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.648675][  T361]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.648884][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.649094][  T361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.649315][  T361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.649532][  T361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.649744][  T361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.649957][  T361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.650166][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.650389][  T361]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.650600][  T361]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.650814][  T361]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.651031][  T361]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.651249][  T361]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.651465][  T361]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.651723][  T361]  ? move_addr_to_kernel (net/socket.c:258)
[   15.651932][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.652141][  T361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.652364][  T361]  ___sys_sendmsg (net/socket.c:2752)
[   15.652569][  T361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.652832][  T361]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.653067][  T361]  __sys_sendmsg (net/socket.c:2784)
[   15.653280][  T361]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.653495][  T361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.653761][  T361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.653970][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.654184][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.654400][  T361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.654612][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.654822][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.655081][  T361] RIP: 0033:0x7f1a25f3e08e
[   15.655307][  T361] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.656059][  T361] RSP: 002b:00007ffe8b41ec40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.656391][  T361] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1a25f3e08e
[   15.656703][  T361] RDX: 0000000000000000 RSI: 00007ffe8b41ecf0 RDI: 0000000000000005
[   15.657017][  T361] RBP: 00007ffe8b41ec50 R08: 0000000000000000 R09: 0000000000000000
[   15.657368][  T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   15.657689][  T361] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8b41f3c0
| [   15.661415][  T361] ------------[ cut here ]------------
| [   15.661562][  T361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/361
| [   15.661802][  T361] Modules linked in: netdevsim
| [   15.662208][  T361] Tainted: [W]=WARN
[   15.662306][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.662482][  T361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.662650][  T361] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.663110][  T361] RSP: 0018:ffa0000000617190 EFLAGS: 00010286
[   15.663279][  T361] RAX: 00000000ffffffa6 RBX: ff1100000ec1af40 RCX: 1ff40000000c2df8
[   15.663479][  T361] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1aff0
[   15.663670][  T361] RBP: ff1100000c409000 R08: 1fe2200001d835ff R09: ff1100000c6b8b58
[   15.663861][  T361] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.664053][  T361] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.664254][  T361] FS:  00007f1a25d04840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   15.664495][  T361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.664658][  T361] CR2: 00007f242a933fb0 CR3: 000000000c24f001 CR4: 0000000000771ef0
[   15.664851][  T361] PKRU: 55555554
[   15.664947][  T361] Call Trace:
[   15.665044][  T361]  <TASK>
[   15.665112][  T361]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.665287][  T361]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.665451][  T361]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.665578][  T361]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.665706][  T361]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.665865][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.665995][  T361]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   15.666124][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.666259][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.666399][  T361]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.666526][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.666654][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.666799][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.666925][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.667053][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.667186][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.667313][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.667448][  T361]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   15.667582][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.667710][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.667837][  T361]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.667965][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.668098][  T361]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.668234][  T361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.668370][  T361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.668500][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.668630][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.668760][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.668886][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.669015][  T361]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.669144][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.669277][  T361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.669422][  T361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.669550][  T361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.669680][  T361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.669808][  T361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.669936][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.670070][  T361]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.670209][  T361]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.670342][  T361]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.670473][  T361]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.670603][  T361]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.670730][  T361]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.670886][  T361]  ? move_addr_to_kernel (net/socket.c:258)
[   15.671014][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.671144][  T361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.671282][  T361]  ___sys_sendmsg (net/socket.c:2752)
[   15.671414][  T361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.671574][  T361]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.671715][  T361]  __sys_sendmsg (net/socket.c:2784)
[   15.671843][  T361]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.671970][  T361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.672139][  T361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.672478][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.672611][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.672739][  T361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.672868][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.672997][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.673241][  T361] RIP: 0033:0x7f1a25f3e08e
[   15.673440][  T361] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.673887][  T361] RSP: 002b:00007ffe8b41ec40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.674079][  T361] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1a25f3e08e
[   15.674470][  T361] RDX: 0000000000000000 RSI: 00007ffe8b41ecf0 RDI: 0000000000000005
[   15.674710][  T361] RBP: 00007ffe8b41ec50 R08: 0000000000000000 R09: 0000000000000000
[   15.674898][  T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf65
[   15.675089][  T361] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8b41f3c0
| [   15.814257][  T370] ------------[ cut here ]------------
| [   15.814545][  T370] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/370
| [   15.814924][  T370] Modules linked in: netdevsim
| [   15.815597][  T370] Tainted: [W]=WARN
[   15.815760][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.816029][  T370] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.816445][  T370] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.817200][  T370] RSP: 0018:ffa0000000cf71b0 EFLAGS: 00010286
[   15.817472][  T370] RAX: 00000000ffffffa6 RBX: ff1100000ec1a1c0 RCX: 1ff400000019edfc
[   15.817793][  T370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a270
[   15.818107][  T370] RBP: ff110000088b1000 R08: 1fe2200001d8344f R09: ff11000008e20ba8
[   15.818446][  T370] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.818757][  T370] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.819072][  T370] FS:  00007f10faa6c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   15.819449][  T370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.819711][  T370] CR2: 00000000004a77b8 CR3: 0000000004e1e005 CR4: 0000000000771ef0
[   15.820031][  T370] PKRU: 55555554
[   15.820194][  T370] Call Trace:
[   15.820364][  T370]  <TASK>
[   15.820475][  T370]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.820688][  T370]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.820903][  T370]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.821115][  T370]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.821278][  T370]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   15.821502][  T370]  __dev_notify_flags (net/core/dev.c:9787)
[   15.821719][  T370]  ? netif_change_name (net/core/dev.c:1495)
[   15.821920][  T370]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.822180][  T370]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.822399][  T370]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.822608][  T370]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.822818][  T370]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.823022][  T370]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.823243][  T370]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.823459][  T370]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.823668][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.823873][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.824078][  T370]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.824287][  T370]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.824504][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.824717][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.824922][  T370]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.825130][  T370]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.825351][  T370]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.825560][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.825764][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.825976][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.826192][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.826411][  T370]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.826614][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.826823][  T370]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.827036][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.827246][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.827461][  T370]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.827674][  T370]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.827881][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.828094][  T370]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.828307][  T370]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.828523][  T370]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.828734][  T370]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.828938][  T370]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.829142][  T370]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.829412][  T370]  ? move_addr_to_kernel (net/socket.c:258)
[   15.829618][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.829825][  T370]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.830036][  T370]  ___sys_sendmsg (net/socket.c:2752)
[   15.830244][  T370]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.830456][  T370]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.830670][  T370]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.830886][  T370]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.831096][  T370]  __sys_sendmsg (net/socket.c:2784)
[   15.831308][  T370]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.831529][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.831735][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.831944][  T370]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.832150][  T370]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.832368][  T370]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.832579][  T370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.832836][  T370] RIP: 0033:0x7f10faca608e
[   15.833056][  T370] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.833812][  T370] RSP: 002b:00007ffdb76abc70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.834148][  T370] RAX: ffffffffffffffda RBX: 00007ffdb76ac420 RCX: 00007f10faca608e
[   15.834482][  T370] RDX: 0000000000000000 RSI: 00007ffdb76abd20 RDI: 0000000000000005
[   15.834805][  T370] RBP: 00007ffdb76abc80 R08: 0000000000000000 R09: 0000000000000000
[   15.835130][  T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf66
[   15.835466][  T370] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb76ac3f0
| [   15.888821][  T371] ------------[ cut here ]------------
| [   15.889068][  T371] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/371
| [   15.889951][  T371] Modules linked in: netdevsim
| [   15.890592][  T371] Tainted: [W]=WARN
[   15.890751][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.891006][  T371] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.891284][  T371] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.892010][  T371] RSP: 0018:ffa0000000d07020 EFLAGS: 00010286
[   15.892274][  T371] RAX: 00000000ffffffa6 RBX: ff1100000ec1a640 RCX: 1ff40000001a0dca
[   15.892589][  T371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a6f0
[   15.892892][  T371] RBP: ff110000088b1000 R08: 1fe2200001d834df R09: ff1100000ce7d180
[   15.893196][  T371] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   15.893500][  T371] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.893800][  T371] FS:  00007f057ae7d840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   15.894153][  T371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.894421][  T371] CR2: 000000001af9d988 CR3: 000000000c6ef002 CR4: 0000000000771ef0
[   15.894724][  T371] PKRU: 55555554
[   15.894874][  T371] Call Trace:
[   15.895022][  T371]  <TASK>
[   15.895127][  T371]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   15.895343][  T371]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.895546][  T371]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.895693][  T371]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.895891][  T371]  __dev_notify_flags (net/core/dev.c:9787)
[   15.896087][  T371]  ? netif_change_name (net/core/dev.c:1495)
[   15.896289][  T371]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.896491][  T371]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.896686][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.896883][  T371]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.897086][  T371]  netif_change_flags (net/core/dev.c:9820)
[   15.897296][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.897603][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.897799][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.898041][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.898241][  T371]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.898708][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.898906][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.899105][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   15.899309][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.899627][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.899829][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.900030][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.900233][  T371]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.900584][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.900781][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.900977][  T371]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.901174][  T371]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.901442][  T371]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.901635][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.901831][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.902036][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.902241][  T371]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.902449][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.902644][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.902840][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.903036][  T371]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.903232][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.903440][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.903635][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.903834][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.904028][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.904228][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.904432][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.904653][  T371]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.904850][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.905050][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.905258][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.905459][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.905658][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.905857][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.906053][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.906254][  T371]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.906454][  T371]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.906656][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.906857][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.907055][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.907263][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.907469][  T371]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.907669][  T371]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.907874][  T371]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.908070][  T371]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.908270][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.908522][  T371]  ? move_addr_to_kernel (net/socket.c:258)
[   15.908726][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.908928][  T371]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.909134][  T371]  ___sys_sendmsg (net/socket.c:2752)
[   15.909341][  T371]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.909583][  T371]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.909804][  T371]  __sys_sendmsg (net/socket.c:2784)
[   15.910006][  T371]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.910232][  T371]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.910491][  T371]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.910689][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.910886][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.911083][  T371]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.911285][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.911492][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.911735][  T371] RIP: 0033:0x7f057b0b708e
[   15.911943][  T371] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.912655][  T371] RSP: 002b:00007ffefd833650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.912953][  T371] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f057b0b708e
[   15.913248][  T371] RDX: 0000000000000000 RSI: 00007ffefd833700 RDI: 0000000000000005
[   15.913550][  T371] RBP: 00007ffefd833660 R08: 0000000000000000 R09: 0000000000000000
[   15.913840][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf66
[   15.914138][  T371] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefd833dd0
| [   16.179453][  T383] ------------[ cut here ]------------
| [   16.179645][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/383
| [   16.179896][  T383] Modules linked in: netdevsim
| [   16.180336][  T383] Tainted: [W]=WARN
[   16.180443][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.180615][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.180805][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.181296][  T383] RSP: 0018:ffa0000000d57010 EFLAGS: 00010286
[   16.181555][  T383] RAX: 00000000ffffffa6 RBX: ff11000004f93540 RCX: 1ff40000001aadc8
[   16.181761][  T383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f935f0
[   16.181968][  T383] RBP: ff110000088b1000 R08: 1fe22000009f26bf R09: ff11000004d2d180
[   16.182181][  T383] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   16.182465][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000d57100
[   16.182676][  T383] FS:  00007f3a2bd8b840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   16.182997][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.183182][  T383] CR2: 0000000002b3d988 CR3: 000000000c5ed006 CR4: 0000000000771ef0
[   16.183470][  T383] PKRU: 55555554
[   16.183575][  T383] Call Trace:
[   16.183678][  T383]  <TASK>
[   16.183752][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.183893][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.183998][  T383]  netif_close_many (net/core/dev.c:1804)
[   16.184136][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.184284][  T383]  ? __dev_close_many (net/core/dev.c:1781)
[   16.184518][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.184656][  T383]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   16.184793][  T383]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.184929][  T383]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   16.185099][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.185244][  T383]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.185507][  T383]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.185645][  T383]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.185780][  T383]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.185949][  T383]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   16.186089][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.186253][  T383]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.186487][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.186687][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.186886][  T383]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.187090][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.187301][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.187703][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.187911][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.188115][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.188484][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.188690][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.188903][  T383]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   16.189121][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.189487][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.189700][  T383]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.189905][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.190127][  T383]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.190517][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.190730][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.190941][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.191146][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.191499][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.191701][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.191908][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.192105][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.192266][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.192509][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.192649][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.192786][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.192923][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.193061][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.193207][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.193418][  T383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.193554][  T383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.193691][  T383]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.193832][  T383]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.193978][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.194185][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   16.194411][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.194556][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.194698][  T383]  ___sys_sendmsg (net/socket.c:2752)
[   16.194837][  T383]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.195015][  T383]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.195171][  T383]  __sys_sendmsg (net/socket.c:2784)
[   16.195319][  T383]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.195524][  T383]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.195701][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.195841][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.195992][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.196204][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.196516][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.196694][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.196872][  T383] RIP: 0033:0x7f3a2bfc508e
[   16.197023][  T383] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.197574][  T383] RSP: 002b:00007ffff08a5d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.197789][  T383] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3a2bfc508e
[   16.198000][  T383] RDX: 0000000000000000 RSI: 00007ffff08a5de0 RDI: 0000000000000005
[   16.198226][  T383] RBP: 00007ffff08a5d40 R08: 0000000000000000 R09: 0000000000000000
[   16.198448][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf66
[   16.198661][  T383] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff08a64b0
| [   16.202346][  T383] ------------[ cut here ]------------
| [   16.202539][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/383
| [   16.202824][  T383] Modules linked in: netdevsim
| [   16.203354][  T383] Tainted: [W]=WARN
[   16.203505][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.203724][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.203946][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.204505][  T383] RSP: 0018:ffa0000000d57190 EFLAGS: 00010286
[   16.204725][  T383] RAX: 00000000ffffffa6 RBX: ff11000004ec0040 RCX: 1ff40000001aadf8
[   16.204971][  T383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec00f0
[   16.205226][  T383] RBP: ff110000088b1000 R08: 1fe22000009d801f R09: ff11000004d2d158
[   16.205494][  T383] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.205739][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.205986][  T383] FS:  00007f3a2bd8b840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   16.206306][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.206548][  T383] CR2: 00007f8376046f98 CR3: 000000000c5ed004 CR4: 0000000000771ef0
[   16.206807][  T383] PKRU: 55555554
[   16.206958][  T383] Call Trace:
[   16.207106][  T383]  <TASK>
[   16.207230][  T383]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.207464][  T383]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.207677][  T383]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.207859][  T383]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.208042][  T383]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.208264][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.208477][  T383]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.208728][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.208916][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.209098][  T383]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.209288][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.209480][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.209682][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.209875][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.210118][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.210384][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.210626][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.210864][  T383]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   16.211139][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.211456][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.211736][  T383]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.212046][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.212289][  T383]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.212540][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.212777][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.213012][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.213257][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.213482][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.213664][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.213847][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.214027][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.214244][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.214501][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.214736][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.214975][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.215218][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.215449][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.215687][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.215928][  T383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.216168][  T383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.216431][  T383]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.216669][  T383]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.216905][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.217207][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   16.217470][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.217707][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.217944][  T383]  ___sys_sendmsg (net/socket.c:2752)
[   16.218188][  T383]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.218481][  T383]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.218745][  T383]  __sys_sendmsg (net/socket.c:2784)
[   16.219048][  T383]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.219373][  T383]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.219744][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.219989][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.220234][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.220483][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.220725][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.220968][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.221261][  T383] RIP: 0033:0x7f3a2bfc508e
[   16.221520][  T383] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.222233][  T383] RSP: 002b:00007ffff08a5d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.222580][  T383] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3a2bfc508e
[   16.222911][  T383] RDX: 0000000000000000 RSI: 00007ffff08a5de0 RDI: 0000000000000005
[   16.223245][  T383] RBP: 00007ffff08a5d40 R08: 0000000000000000 R09: 0000000000000000
[   16.223586][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf66
[   16.223921][  T383] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff08a64b0
| [   16.333226][  T392] ------------[ cut here ]------------
| [   16.333486][  T392] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/392
| [   16.333875][  T392] Modules linked in: netdevsim
| [   16.334690][  T392] Tainted: [W]=WARN
[   16.334930][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.335256][  T392] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.335505][  T392] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.336117][  T392] RSP: 0018:ffa0000000dc71b0 EFLAGS: 00010286
[   16.336362][  T392] RAX: 00000000ffffffa6 RBX: ff11000005d407c0 RCX: 1ff40000001b8dfc
[   16.336618][  T392] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d40870
[   16.336872][  T392] RBP: ff1100000c2f9000 R08: 1fe2200000ba810f R09: ff11000004b68ba8
[   16.337128][  T392] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.337404][  T392] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.337662][  T392] FS:  00007fca487a0840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   16.337956][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.338187][  T392] CR2: 00000000004a77b8 CR3: 000000000df37003 CR4: 0000000000771ef0
[   16.338520][  T392] PKRU: 55555554
[   16.338739][  T392] Call Trace:
[   16.338960][  T392]  <TASK>
[   16.339126][  T392]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.339425][  T392]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.339693][  T392]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.339883][  T392]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.340038][  T392]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   16.340230][  T392]  __dev_notify_flags (net/core/dev.c:9787)
[   16.340433][  T392]  ? netif_change_name (net/core/dev.c:1495)
[   16.340628][  T392]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.340852][  T392]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.341042][  T392]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.341231][  T392]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.341433][  T392]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.341622][  T392]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.341814][  T392]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.342009][  T392]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.342206][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.342450][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.342677][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.342866][  T392]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.343054][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.343256][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.343466][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.343653][  T392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.343841][  T392]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.344029][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.344223][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.344427][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.344615][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.344804][  T392]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.344996][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.345192][  T392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.345398][  T392]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.345583][  T392]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.345773][  T392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.345961][  T392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.346148][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.346389][  T392]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.346585][  T392]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.346775][  T392]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.346970][  T392]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.347163][  T392]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.347399][  T392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.347623][  T392]  ? move_addr_to_kernel (net/socket.c:258)
[   16.347813][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.348005][  T392]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   16.348201][  T392]  ___sys_sendmsg (net/socket.c:2752)
[   16.348400][  T392]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   16.348591][  T392]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.348786][  T392]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   16.348980][  T392]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   16.349172][  T392]  __sys_sendmsg (net/socket.c:2784)
[   16.349463][  T392]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.349735][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.350003][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.350281][  T392]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.350561][  T392]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.350826][  T392]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.351093][  T392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.351436][  T392] RIP: 0033:0x7fca489da08e
[   16.351724][  T392] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.352564][  T392] RSP: 002b:00007ffdd2b61020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.352943][  T392] RAX: ffffffffffffffda RBX: 00007ffdd2b617d0 RCX: 00007fca489da08e
[   16.353348][  T392] RDX: 0000000000000000 RSI: 00007ffdd2b610d0 RDI: 0000000000000005
[   16.353730][  T392] RBP: 00007ffdd2b61030 R08: 0000000000000000 R09: 0000000000000000
[   16.354106][  T392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf66
[   16.354495][  T392] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd2b617a0
| [   16.394297][  T393] ------------[ cut here ]------------
| [   16.394486][  T393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/393
| [   16.394740][  T393] Modules linked in: netdevsim
| [   16.395221][  T393] Tainted: [W]=WARN
[   16.395333][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.395510][  T393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.395687][  T393] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.396180][  T393] RSP: 0018:ffa0000000dd7020 EFLAGS: 00010286
[   16.396357][  T393] RAX: 00000000ffffffa6 RBX: ff11000005d41cc0 RCX: 1ff40000001badca
[   16.396560][  T393] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d41d70
[   16.396765][  T393] RBP: ff1100000c2f9000 R08: 1fe2200000ba83af R09: ff11000004b6ae80
[   16.396974][  T393] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.397184][  T393] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.397394][  T393] FS:  00007fd55cb30840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   16.397634][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.397805][  T393] CR2: 00007fd55ce001a0 CR3: 000000000ecce005 CR4: 0000000000771ef0
[   16.398013][  T393] PKRU: 55555554
[   16.398115][  T393] Call Trace:
[   16.398221][  T393]  <TASK>
[   16.398297][  T393]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   16.398440][  T393]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.398583][  T393]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.398686][  T393]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.398824][  T393]  __dev_notify_flags (net/core/dev.c:9787)
[   16.398964][  T393]  ? netif_change_name (net/core/dev.c:1495)
[   16.399104][  T393]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.399253][  T393]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.399397][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.399533][  T393]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.399673][  T393]  netif_change_flags (net/core/dev.c:9820)
[   16.399808][  T393]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.399949][  T393]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.400086][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.400258][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.400486][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.400622][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.400755][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.400896][  T393]  ? __kernel_text_address (kernel/extable.c:79)
[   16.401034][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.401177][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.401319][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.401553][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.401687][  T393]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.401825][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.401959][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.402099][  T393]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.402243][  T393]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.402466][  T393]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.402603][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.402743][  T393]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.402884][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.403030][  T393]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.403171][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.403314][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.403535][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.403670][  T393]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.403804][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.403944][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.404084][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.404227][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.404419][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.404555][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.404690][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.404824][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.404959][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.405098][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.405243][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.405388][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.405531][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.405668][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.405804][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.405943][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.406079][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.406222][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.406365][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.406502][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.406643][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.406778][  T393]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.406916][  T393]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.407060][  T393]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.407209][  T393]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.407358][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.407526][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   16.407671][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.407808][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.407947][  T393]  ___sys_sendmsg (net/socket.c:2752)
[   16.408083][  T393]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.408257][  T393]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.408411][  T393]  __sys_sendmsg (net/socket.c:2784)
[   16.408548][  T393]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.408698][  T393]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.408949][  T393]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.409148][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.409370][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.409577][  T393]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.409774][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.409979][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.410238][  T393] RIP: 0033:0x7fd55cd6a08e
[   16.410396][  T393] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.410885][  T393] RSP: 002b:00007ffcf9c1bb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.411097][  T393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd55cd6a08e
[   16.411317][  T393] RDX: 0000000000000000 RSI: 00007ffcf9c1bc10 RDI: 0000000000000005
[   16.411626][  T393] RBP: 00007ffcf9c1bb70 R08: 0000000000000000 R09: 0000000000000000
[   16.411926][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf66
[   16.412239][  T393] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf9c1c2e0
| [   16.537600][  T396] ------------[ cut here ]------------
| [   16.537806][  T396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/396
| [   16.538151][  T396] Modules linked in: netdevsim
| [   16.538656][  T396] Tainted: [W]=WARN
[   16.538773][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.538966][  T396] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.539190][  T396] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.539816][  T396] RSP: 0018:ffa0000000e07310 EFLAGS: 00010286
[   16.540013][  T396] RAX: 00000000ffffffa6 RBX: ff11000009111b40 RCX: 1ff40000001c0e28
[   16.540256][  T396] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111bf0
[   16.540493][  T396] RBP: ff11000009e2a000 R08: 1fe220000122237f R09: ff1100000c00aed0
[   16.540723][  T396] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.540954][  T396] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.541195][  T396] FS:  00007f3a317ad840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   16.541473][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.541668][  T396] CR2: 00007f3a31d62004 CR3: 0000000004b77001 CR4: 0000000000771ef0
[   16.541901][  T396] PKRU: 55555554
[   16.542018][  T396] Call Trace:
[   16.542136][  T396]  <TASK>
[   16.542224][  T396]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.542431][  T396]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.542623][  T396]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   16.542783][  T396]  ? netdev_run_todo (net/core/dev.c:11703)
[   16.542937][  T396]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.543094][  T396]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   16.543255][  T396]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   16.543414][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.543572][  T396]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   16.543728][  T396] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   16.543883][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.544039][  T396] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   16.544238][  T396] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   16.544528][  T396] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   16.544724][  T396]  devlink_reload (net/devlink/dev.c:462)
[   16.544881][  T396]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   16.545034][  T396]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   16.545234][  T396]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   16.545482][  T396]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   16.545777][  T396]  ? __nla_validate_parse (lib/nlattr.c:635)
[   16.545934][  T396]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   16.546090][  T396]  ? __nla_parse (lib/nlattr.c:732)
[   16.546279][  T396]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   16.546546][  T396]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   16.546742][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.546895][  T396]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.547051][  T396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.547214][  T396]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   16.547459][  T396]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   16.547651][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.547842][  T396]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   16.547995][  T396]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   16.548148][  T396]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   16.548309][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.548546][  T396]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   16.548704][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.548857][  T396]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   16.549017][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.549194][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.549429][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.549586][  T396]  genl_rcv (net/netlink/genetlink.c:1218)
[   16.549704][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.549932][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.550109][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.550272][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.550498][  T396]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.550657][  T396]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.550812][  T396]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.550967][  T396]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   16.551123][  T396]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   16.551301][  T396]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   16.551523][  T396]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.551714][  T396]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.551869][  T396]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.552023][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.552176][  T396]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.552399][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.552557][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.552748][  T396] RIP: 0033:0x7f3a319e708e
[   16.552911][  T396] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.553538][  T396] RSP: 002b:00007ffc7d97b7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   16.553774][  T396] RAX: ffffffffffffffda RBX: 00000000117f5980 RCX: 00007f3a319e708e
[   16.554007][  T396] RDX: 0000000000000038 RSI: 00000000117f5ba0 RDI: 0000000000000005
[   16.554243][  T396] RBP: 00007ffc7d97b7c0 R08: 00007f3a31c9b980 R09: 000000000000000c
[   16.554635][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   16.554868][  T396] R13: 00000000117f5980 R14: 0000000000000000 R15: 0000000000000003
| [   16.615134][  T396] ------------[ cut here ]------------
| [   16.615370][  T396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/396
| [   16.615692][  T396] Modules linked in: netdevsim
| [   16.616195][  T396] Tainted: [W]=WARN
[   16.616317][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.616520][  T396] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.616779][  T396] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.617425][  T396] RSP: 0018:ffa0000000e07268 EFLAGS: 00010286
[   16.617630][  T396] RAX: 00000000ffffffa6 RBX: ff110000094a5e40 RCX: 1ff40000001c0e13
[   16.617868][  T396] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5ef0
[   16.618109][  T396] RBP: ff1100000c3fa000 R08: 1fe2200001294bdf R09: ff1100000c00aed0
[   16.618360][  T396] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.618600][  T396] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3fa000
[   16.618840][  T396] FS:  00007f3a317ad840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   16.619137][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.619421][  T396] CR2: 00007f3a31d62004 CR3: 0000000004b77001 CR4: 0000000000771ef0
[   16.619747][  T396] PKRU: 55555554
[   16.619926][  T396] Call Trace:
[   16.620096][  T396]  <TASK>
[   16.620190][  T396]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.620694][  T396]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.620815][  T396]  register_netdevice (net/core/dev.c:11488)
[   16.620974][  T396]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.621170][  T396]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   16.621345][  T396] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   16.621545][  T396] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   16.621704][  T396] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   16.621899][  T396]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.622059][  T396]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   16.622262][  T396]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   16.622424][  T396]  ? static_obj (kernel/locking/lockdep.c:858)
[   16.622545][  T396]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.622703][  T396]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   16.622901][  T396] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   16.623098][  T396]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   16.623298][  T396]  devlink_reload (net/devlink/dev.c:475)
[   16.623457][  T396]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   16.623615][  T396]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   16.623811][  T396]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   16.623965][  T396]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   16.624158][  T396]  ? __nla_validate_parse (lib/nlattr.c:635)
[   16.624318][  T396]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   16.624480][  T396]  ? __nla_parse (lib/nlattr.c:732)
[   16.624639][  T396]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   16.624799][  T396]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   16.625000][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.625166][  T396]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.625336][  T396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.625496][  T396]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   16.625653][  T396]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   16.625847][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.626050][  T396]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   16.626210][  T396]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   16.626481][  T396]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   16.626636][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.626905][  T396]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   16.627063][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.627230][  T396]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   16.627391][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.627555][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.627713][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.627873][  T396]  genl_rcv (net/netlink/genetlink.c:1218)
[   16.627997][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.628155][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.628317][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.628482][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.628641][  T396]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.628908][  T396]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.629065][  T396]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.629227][  T396]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   16.629389][  T396]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   16.629557][  T396]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   16.629722][  T396]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.629924][  T396]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.630080][  T396]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.630242][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.630401][  T396]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.630554][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.630834][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.631031][  T396] RIP: 0033:0x7f3a319e708e
[   16.631208][  T396] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.631940][  T396] RSP: 002b:00007ffc7d97b7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   16.632193][  T396] RAX: ffffffffffffffda RBX: 00000000117f5980 RCX: 00007f3a319e708e
[   16.632440][  T396] RDX: 0000000000000038 RSI: 00000000117f5ba0 RDI: 0000000000000005
[   16.632676][  T396] RBP: 00007ffc7d97b7c0 R08: 00007f3a31c9b980 R09: 000000000000000c
[   16.632912][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   16.633147][  T396] R13: 00000000117f5980 R14: 0000000000000000 R15: 0000000000000003
| [   16.816837][  T408] ------------[ cut here ]------------
| [   16.817021][  T408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/408
| [   16.817281][  T408] Modules linked in: netdevsim
| [   16.817721][  T408] Tainted: [W]=WARN
[   16.817830][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.818012][  T408] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.818199][  T408] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.818690][  T408] RSP: 0018:ffa0000000e67010 EFLAGS: 00010286
[   16.818864][  T408] RAX: 00000000ffffffa6 RBX: ff11000004b0ac40 RCX: 1ff40000001ccdc8
[   16.819076][  T408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0acf0
[   16.819285][  T408] RBP: ff1100000c2f9000 R08: 1fe220000096159f R09: ff1100000c7fae80
[   16.819499][  T408] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   16.819702][  T408] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000e67100
[   16.819909][  T408] FS:  00007ff225db4840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   16.820157][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.820343][  T408] CR2: 000000001f5c8988 CR3: 000000000210b002 CR4: 0000000000771ef0
[   16.820550][  T408] PKRU: 55555554
[   16.820653][  T408] Call Trace:
[   16.820756][  T408]  <TASK>
[   16.820828][  T408]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.820973][  T408]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.821078][  T408]  netif_close_many (net/core/dev.c:1804)
[   16.821221][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.821366][  T408]  ? __dev_close_many (net/core/dev.c:1781)
[   16.821503][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.821642][  T408]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   16.821784][  T408]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.821921][  T408]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   16.822092][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.822236][  T408]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.822418][  T408]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.822556][  T408]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.822692][  T408]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.822865][  T408]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   16.823006][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.823146][  T408]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.823284][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.823427][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.823562][  T408]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.823701][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.823839][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.823994][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.824132][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.824276][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.824423][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.824559][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.824695][  T408]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   16.824833][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.824969][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.825105][  T408]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.825249][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.825395][  T408]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.825529][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.825665][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.825802][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.825936][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.826074][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.826213][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.826357][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.826495][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.826629][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.826765][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.826900][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.827037][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.827219][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.827369][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.827506][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.827645][  T408]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.827782][  T408]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.827918][  T408]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.828055][  T408]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.828199][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.828396][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   16.828587][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.828803][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.829007][  T408]  ___sys_sendmsg (net/socket.c:2752)
[   16.829145][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.829324][  T408]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.829486][  T408]  __sys_sendmsg (net/socket.c:2784)
[   16.829624][  T408]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.829758][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.829933][  T408]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.830069][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.830214][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.830361][  T408]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.830499][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.830637][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.830809][  T408] RIP: 0033:0x7ff225fee08e
[   16.830959][  T408] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.831463][  T408] RSP: 002b:00007ffec3f38790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.831677][  T408] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff225fee08e
[   16.831889][  T408] RDX: 0000000000000000 RSI: 00007ffec3f38840 RDI: 0000000000000005
[   16.832094][  T408] RBP: 00007ffec3f387a0 R08: 0000000000000000 R09: 0000000000000000
[   16.832306][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   16.832523][  T408] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec3f38f10
| [   16.836018][  T408] ------------[ cut here ]------------
| [   16.836163][  T408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/408
| [   16.836403][  T408] Modules linked in: netdevsim
| [   16.836829][  T408] Tainted: [W]=WARN
[   16.836930][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.837090][  T408] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.837267][  T408] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.837732][  T408] RSP: 0018:ffa0000000e67190 EFLAGS: 00010286
[   16.837894][  T408] RAX: 00000000ffffffa6 RBX: ff11000004b0b540 RCX: 1ff40000001ccdf8
[   16.838090][  T408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b5f0
[   16.838295][  T408] RBP: ff1100000c2f9000 R08: 1fe22000009616bf R09: ff1100000c7fae58
[   16.838496][  T408] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   16.838685][  T408] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.838876][  T408] FS:  00007ff225db4840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   16.839105][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.839274][  T408] CR2: 000000001f5c8988 CR3: 000000000210b002 CR4: 0000000000771ef0
[   16.839471][  T408] PKRU: 55555554
[   16.839568][  T408] Call Trace:
[   16.839664][  T408]  <TASK>
[   16.839732][  T408]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.839900][  T408]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.840058][  T408]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.840209][  T408]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.840340][  T408]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.840501][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.840631][  T408]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.840758][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.840890][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.841017][  T408]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.841143][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.841277][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.841430][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.841558][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.841686][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.841813][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.841939][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.842070][  T408]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   16.842209][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.842341][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.842474][  T408]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.842603][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.842730][  T408]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.842859][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.842988][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.843115][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.843251][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.843470][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.843602][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.843740][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.843869][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.844001][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.844135][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.844276][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.844483][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.844618][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.844751][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.844886][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.845026][  T408]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.845159][  T408]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.845299][  T408]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.845622][  T408]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.845752][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.845913][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   16.846046][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.846176][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.846315][  T408]  ___sys_sendmsg (net/socket.c:2752)
[   16.846558][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.846765][  T408]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.846906][  T408]  __sys_sendmsg (net/socket.c:2784)
[   16.847035][  T408]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.847161][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.847516][  T408]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.847660][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.847803][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.847992][  T408]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.848149][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.848291][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.848532][  T408] RIP: 0033:0x7ff225fee08e
[   16.848671][  T408] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.849134][  T408] RSP: 002b:00007ffec3f38790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.849404][  T408] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff225fee08e
[   16.849634][  T408] RDX: 0000000000000000 RSI: 00007ffec3f38840 RDI: 0000000000000005
[   16.849937][  T408] RBP: 00007ffec3f387a0 R08: 0000000000000000 R09: 0000000000000000
[   16.850198][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   16.850468][  T408] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec3f38f10
| [   16.916022][  T409] ------------[ cut here ]------------
| [   16.916283][  T409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/409
| [   16.916608][  T409] Modules linked in: netdevsim
| [   16.917197][  T409] Tainted: [W]=WARN
[   16.917364][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.917587][  T409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.917824][  T409] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.918383][  T409] RSP: 0018:ffa0000000e571b0 EFLAGS: 00010286
[   16.918697][  T409] RAX: 00000000ffffffa6 RBX: ff1100000ec1a1c0 RCX: 1ff40000001cadfc
[   16.919058][  T409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a270
[   16.919444][  T409] RBP: ff11000008ec9000 R08: 1fe2200001d8344f R09: ff1100000c7f8ba8
[   16.919757][  T409] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.920095][  T409] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.920481][  T409] FS:  00007f8f8748a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   16.920904][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.921144][  T409] CR2: 00000000004a77b8 CR3: 000000000c7d3001 CR4: 0000000000771ef0
[   16.921435][  T409] PKRU: 55555554
[   16.921632][  T409] Call Trace:
[   16.921786][  T409]  <TASK>
[   16.921906][  T409]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.922096][  T409]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.922300][  T409]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.922503][  T409]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.922658][  T409]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   16.922845][  T409]  __dev_notify_flags (net/core/dev.c:9787)
[   16.923036][  T409]  ? netif_change_name (net/core/dev.c:1495)
[   16.923246][  T409]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.923574][  T409]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.923846][  T409]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.924113][  T409]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.924368][  T409]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.924563][  T409]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.924756][  T409]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.924947][  T409]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.925138][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.925348][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.925569][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.925763][  T409]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.925953][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.926147][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.926376][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.926565][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.926752][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.926944][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.927132][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.927346][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.927531][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.927718][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.927907][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.928114][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.928313][  T409]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.928521][  T409]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.928712][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.928900][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.929086][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.929287][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.929492][  T409]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.929755][  T409]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.929996][  T409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.930197][  T409]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.930401][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.930621][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   16.930809][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.930997][  T409]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   16.931195][  T409]  ___sys_sendmsg (net/socket.c:2752)
[   16.931401][  T409]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   16.931621][  T409]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.931814][  T409]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   16.932004][  T409]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   16.932201][  T409]  __sys_sendmsg (net/socket.c:2784)
[   16.932402][  T409]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.932592][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.932780][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.932971][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.933160][  T409]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.933377][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.933569][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.933788][  T409] RIP: 0033:0x7f8f876c408e
[   16.933980][  T409] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.934545][  T409] RSP: 002b:00007ffcdb6d42b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.934802][  T409] RAX: ffffffffffffffda RBX: 00007ffcdb6d4a60 RCX: 00007f8f876c408e
[   16.935058][  T409] RDX: 0000000000000000 RSI: 00007ffcdb6d4360 RDI: 0000000000000005
[   16.935320][  T409] RBP: 00007ffcdb6d42c0 R08: 0000000000000000 R09: 0000000000000000
[   16.935592][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   16.935846][  T409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdb6d4a30
| [   16.967932][  T410] ------------[ cut here ]------------
| [   16.968131][  T410] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/410
| [   16.968402][  T410] Modules linked in: netdevsim
| [   16.968838][  T410] Tainted: [W]=WARN
[   16.968944][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.969121][  T410] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.969309][  T410] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.969804][  T410] RSP: 0018:ffa0000000e67020 EFLAGS: 00010286
[   16.969985][  T410] RAX: 00000000ffffffa6 RBX: ff1100000ec1bcc0 RCX: 1ff40000001ccdca
[   16.970194][  T410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1bd70
[   16.970409][  T410] RBP: ff11000008ec9000 R08: 1fe2200001d837af R09: ff1100000c10d180
[   16.970615][  T410] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   16.970818][  T410] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.971026][  T410] FS:  00007fa556b49840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   16.971277][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.971457][  T410] CR2: 000000000fb93988 CR3: 000000000c219005 CR4: 0000000000771ef0
[   16.971662][  T410] PKRU: 55555554
[   16.971764][  T410] Call Trace:
[   16.971866][  T410]  <TASK>
[   16.971937][  T410]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   16.972079][  T410]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.972227][  T410]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.972338][  T410]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.972478][  T410]  __dev_notify_flags (net/core/dev.c:9787)
[   16.972616][  T410]  ? netif_change_name (net/core/dev.c:1495)
[   16.972751][  T410]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.972887][  T410]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.973023][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.973164][  T410]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.973308][  T410]  netif_change_flags (net/core/dev.c:9820)
[   16.973547][  T410]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.973687][  T410]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.973825][  T410]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.973994][  T410]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.974132][  T410]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.974272][  T410]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.974492][  T410]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.974630][  T410]  ? __kernel_text_address (kernel/extable.c:79)
[   16.974772][  T410]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.974912][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.975048][  T410]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.975194][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.975436][  T410]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.975574][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.975708][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.975846][  T410]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.975981][  T410]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.976116][  T410]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.976256][  T410]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.976476][  T410]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.976613][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.976755][  T410]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.976897][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.977033][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.977174][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.977313][  T410]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.977519][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.977661][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.977794][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.977929][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.978064][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.978207][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.978399][  T410]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.978535][  T410]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.978672][  T410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.978807][  T410]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.978943][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.979082][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.979225][  T410]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.979422][  T410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.979559][  T410]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.979698][  T410]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.979838][  T410]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.979982][  T410]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.980118][  T410]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.980258][  T410]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.980457][  T410]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.980592][  T410]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.980728][  T410]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.980867][  T410]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.981009][  T410]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.981145][  T410]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.981320][  T410]  ? move_addr_to_kernel (net/socket.c:258)
[   16.981518][  T410]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.981653][  T410]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.981794][  T410]  ___sys_sendmsg (net/socket.c:2752)
[   16.981930][  T410]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.982101][  T410]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.982260][  T410]  __sys_sendmsg (net/socket.c:2784)
[   16.982478][  T410]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.982613][  T410]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.982791][  T410]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.982929][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.983068][  T410]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.983270][  T410]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.983477][  T410]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.983619][  T410]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.983787][  T410] RIP: 0033:0x7fa556d8308e
[   16.983931][  T410] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.984434][  T410] RSP: 002b:00007fff9a73b050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.984642][  T410] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa556d8308e
[   16.984845][  T410] RDX: 0000000000000000 RSI: 00007fff9a73b100 RDI: 0000000000000005
[   16.985050][  T410] RBP: 00007fff9a73b060 R08: 0000000000000000 R09: 0000000000000000
[   16.985267][  T410] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   16.985475][  T410] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9a73b7d0
| [   17.131800][  T414] ------------[ cut here ]------------
| [   17.132144][  T414] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/414
| [   17.132700][  T414] Modules linked in: netdevsim
| [   17.133565][  T414] Tainted: [W]=WARN
[   17.133804][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.134155][  T414] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.134549][  T414] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.135466][  T414] RSP: 0018:ffa0000000e87310 EFLAGS: 00010286
[   17.135826][  T414] RAX: 00000000ffffffa6 RBX: ff11000004f93cc0 RCX: 1ff40000001d0e28
[   17.136245][  T414] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93d70
[   17.136696][  T414] RBP: ff1100000c3fa000 R08: 1fe22000009f27af R09: ff1100000ae6aed0
[   17.137105][  T414] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.137541][  T414] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.137957][  T414] FS:  00007f0c377cd840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   17.138449][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.138801][  T414] CR2: 00007f0c37d82004 CR3: 000000000c193002 CR4: 0000000000771ef0
[   17.139220][  T414] PKRU: 55555554
[   17.139469][  T414] Call Trace:
[   17.139701][  T414]  <TASK>
[   17.139878][  T414]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.140247][  T414]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.140628][  T414]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   17.140936][  T414]  ? netdev_run_todo (net/core/dev.c:11703)
[   17.141234][  T414]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.141546][  T414]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   17.141837][  T414]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   17.142121][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.142430][  T414]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   17.142722][  T414] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   17.143004][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.143296][  T414] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   17.143647][  T414] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   17.143984][  T414] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   17.144346][  T414]  devlink_reload (net/devlink/dev.c:462)
[   17.144631][  T414]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   17.144910][  T414]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   17.145272][  T414]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   17.145573][  T414]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   17.145909][  T414]  ? __nla_validate_parse (lib/nlattr.c:635)
[   17.146198][  T414]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.146501][  T414]  ? __nla_parse (lib/nlattr.c:732)
[   17.146801][  T414]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   17.147085][  T414]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   17.147447][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.147734][  T414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.148019][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.148328][  T414]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   17.148636][  T414]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   17.148986][  T414]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.149364][  T414]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   17.149657][  T414]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.149951][  T414]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   17.150248][  T414]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.150572][  T414]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   17.150864][  T414]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.151154][  T414]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   17.151512][  T414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.151814][  T414]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.152105][  T414]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.152424][  T414]  genl_rcv (net/netlink/genetlink.c:1218)
[   17.152656][  T414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.152949][  T414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.153248][  T414]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.153579][  T414]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.153887][  T414]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.154177][  T414]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.154494][  T414]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.154788][  T414]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   17.155091][  T414]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   17.155440][  T414]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   17.155738][  T414]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.156088][  T414]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.156400][  T414]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   17.156688][  T414]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.156974][  T414]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.157266][  T414]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.157573][  T414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.157927][  T414] RIP: 0033:0x7f0c37a0708e
[   17.158235][  T414] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.159163][  T414] RSP: 002b:00007fffe0728220 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.159607][  T414] RAX: ffffffffffffffda RBX: 000000000ae06980 RCX: 00007f0c37a0708e
[   17.160027][  T414] RDX: 0000000000000038 RSI: 000000000ae06ba0 RDI: 0000000000000005
[   17.160454][  T414] RBP: 00007fffe0728230 R08: 00007f0c37cbb980 R09: 000000000000000c
[   17.160861][  T414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   17.161282][  T414] R13: 000000000ae06980 R14: 0000000000000000 R15: 0000000000000003
| [   17.228080][  T414] ------------[ cut here ]------------
| [   17.228485][  T414] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/414
| [   17.229005][  T414] Modules linked in: netdevsim
| [   17.229845][  T414] Tainted: [W]=WARN
[   17.230074][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.230537][  T414] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.230929][  T414] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.231853][  T414] RSP: 0018:ffa0000000e87268 EFLAGS: 00010286
[   17.232213][  T414] RAX: 00000000ffffffa6 RBX: ff110000092b07c0 RCX: 1ff40000001d0e13
[   17.232630][  T414] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092b0870
[   17.233021][  T414] RBP: ff1100000ce7a000 R08: 1fe220000125610f R09: ff1100000ae6aed0
[   17.233426][  T414] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.233808][  T414] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce7a000
[   17.234216][  T414] FS:  00007f0c377cd840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   17.234687][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.235023][  T414] CR2: 00007f0c37d82004 CR3: 000000000c193002 CR4: 0000000000771ef0
[   17.235450][  T414] PKRU: 55555554
[   17.235677][  T414] Call Trace:
[   17.235904][  T414]  <TASK>
[   17.236078][  T414]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.236394][  T414]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.236615][  T414]  register_netdevice (net/core/dev.c:11488)
[   17.236890][  T414]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.237234][  T414]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   17.237547][  T414] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   17.237892][  T414] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   17.238177][  T414] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   17.238544][  T414]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.238829][  T414]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   17.239175][  T414]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   17.239484][  T414]  ? static_obj (kernel/locking/lockdep.c:858)
[   17.239713][  T414]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.240005][  T414]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   17.240376][  T414] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   17.240722][  T414]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   17.241062][  T414]  devlink_reload (net/devlink/dev.c:475)
[   17.241372][  T414]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   17.241656][  T414]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   17.242003][  T414]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   17.242295][  T414]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   17.242647][  T414]  ? __nla_validate_parse (lib/nlattr.c:635)
[   17.242972][  T414]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.243267][  T414]  ? __nla_parse (lib/nlattr.c:732)
[   17.243575][  T414]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   17.243868][  T414]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   17.244224][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.244522][  T414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.244802][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.245091][  T414]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   17.245398][  T414]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   17.245729][  T414]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.246058][  T414]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   17.246354][  T414]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.246629][  T414]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   17.246904][  T414]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.247196][  T414]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   17.247494][  T414]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.247772][  T414]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   17.248053][  T414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.248366][  T414]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.248644][  T414]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.248923][  T414]  genl_rcv (net/netlink/genetlink.c:1218)
[   17.249146][  T414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.249448][  T414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.249723][  T414]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.250006][  T414]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.250295][  T414]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.250588][  T414]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.250869][  T414]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.251152][  T414]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   17.251453][  T414]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   17.251750][  T414]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   17.252029][  T414]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.252396][  T414]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.252674][  T414]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   17.252947][  T414]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.253227][  T414]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.253520][  T414]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.253797][  T414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.254129][  T414] RIP: 0033:0x7f0c37a0708e
[   17.254444][  T414] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.255300][  T414] RSP: 002b:00007fffe0728220 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.255711][  T414] RAX: ffffffffffffffda RBX: 000000000ae06980 RCX: 00007f0c37a0708e
[   17.256105][  T414] RDX: 0000000000000038 RSI: 000000000ae06ba0 RDI: 0000000000000005
[   17.256516][  T414] RBP: 00007fffe0728230 R08: 00007f0c37cbb980 R09: 000000000000000c
[   17.256905][  T414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   17.257299][  T414] R13: 000000000ae06980 R14: 0000000000000000 R15: 0000000000000003
| [   17.465361][  T425] ------------[ cut here ]------------
| [   17.465638][  T425] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/425
| [   17.466023][  T425] Modules linked in: netdevsim
| [   17.467394][  T425] Tainted: [W]=WARN
[   17.467559][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.467769][  T425] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.467959][  T425] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.468469][  T425] RSP: 0018:ffa0000000ed7010 EFLAGS: 00010286
[   17.468643][  T425] RAX: 00000000ffffffa6 RBX: ff11000004ec0f40 RCX: 1ff40000001dadc8
[   17.468853][  T425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0ff0
[   17.469060][  T425] RBP: ff11000008ec9000 R08: 1fe22000009d81ff R09: ff11000008e20b80
[   17.469270][  T425] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   17.469479][  T425] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000ed7100
[   17.469726][  T425] FS:  00007f34e3e5d840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   17.470097][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.470443][  T425] CR2: 0000000016a05988 CR3: 000000000c50f003 CR4: 0000000000771ef0
[   17.470771][  T425] PKRU: 55555554
[   17.470928][  T425] Call Trace:
[   17.471042][  T425]  <TASK>
[   17.471120][  T425]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.471295][  T425]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.471426][  T425]  netif_close_many (net/core/dev.c:1804)
[   17.471580][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.471722][  T425]  ? __dev_close_many (net/core/dev.c:1781)
[   17.471861][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.472006][  T425]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   17.472149][  T425]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.472312][  T425]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   17.472517][  T425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.472652][  T425]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.472821][  T425]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.472957][  T425]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.473094][  T425]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.473276][  T425]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   17.473424][  T425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.473564][  T425]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.473705][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.473839][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.473975][  T425]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.474111][  T425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.474255][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.474417][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.474569][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.474710][  T425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.474845][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.474979][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.475114][  T425]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   17.475259][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.475401][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.475558][  T425]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.475696][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.475843][  T425]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.475978][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.476136][  T425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.476309][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.476450][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.476602][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.476739][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.476873][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.477008][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.477145][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.477286][  T425]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.477431][  T425]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.477569][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.477712][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.477849][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.477987][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.478123][  T425]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.478267][  T425]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.478412][  T425]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.478582][  T425]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.478738][  T425]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.478929][  T425]  ? move_addr_to_kernel (net/socket.c:258)
[   17.479083][  T425]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.479233][  T425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.479399][  T425]  ___sys_sendmsg (net/socket.c:2752)
[   17.479536][  T425]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.479769][  T425]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.480002][  T425]  __sys_sendmsg (net/socket.c:2784)
[   17.480233][  T425]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.480455][  T425]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.480731][  T425]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.480992][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.481232][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.481455][  T425]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.481674][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.481891][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.482139][  T425] RIP: 0033:0x7f34e409708e
[   17.482311][  T425] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.482927][  T425] RSP: 002b:00007ffda3d665f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.483142][  T425] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f34e409708e
[   17.483357][  T425] RDX: 0000000000000000 RSI: 00007ffda3d666a0 RDI: 0000000000000005
[   17.483556][  T425] RBP: 00007ffda3d66600 R08: 0000000000000000 R09: 0000000000000000
[   17.483761][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   17.483967][  T425] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda3d66d70
| [   17.487267][  T425] ------------[ cut here ]------------
| [   17.487503][  T425] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/425
| [   17.487734][  T425] Modules linked in: netdevsim
| [   17.488136][  T425] Tainted: [W]=WARN
[   17.488272][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.488524][  T425] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.488769][  T425] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.489229][  T425] RSP: 0018:ffa0000000ed7190 EFLAGS: 00010286
[   17.489484][  T425] RAX: 00000000ffffffa6 RBX: ff11000005d419c0 RCX: 1ff40000001dadf8
[   17.489685][  T425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d41a70
[   17.489878][  T425] RBP: ff11000008ec9000 R08: 1fe2200000ba834f R09: ff11000008e20b58
[   17.490080][  T425] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.490276][  T425] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.490639][  T425] FS:  00007f34e3e5d840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   17.490869][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.491032][  T425] CR2: 0000000016a05988 CR3: 000000000c50f003 CR4: 0000000000771ef0
[   17.491253][  T425] PKRU: 55555554
[   17.491448][  T425] Call Trace:
[   17.491552][  T425]  <TASK>
[   17.491621][  T425]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.491792][  T425]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.491952][  T425]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.492083][  T425]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.492290][  T425]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.492470][  T425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.492601][  T425]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.492729][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.492859][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.492986][  T425]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.493114][  T425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.493247][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.493402][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.493532][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.493662][  T425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.493791][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.493920][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.494058][  T425]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   17.494200][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.494349][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.494485][  T425]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.494671][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.494865][  T425]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.495035][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.495257][  T425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.495418][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.495550][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.495683][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.495812][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.495950][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.496082][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.496220][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.496359][  T425]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.496494][  T425]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.496632][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.496761][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.496891][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.497023][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.497157][  T425]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.497294][  T425]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.497434][  T425]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.497562][  T425]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.497692][  T425]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.497859][  T425]  ? move_addr_to_kernel (net/socket.c:258)
[   17.497992][  T425]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.498126][  T425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.498261][  T425]  ___sys_sendmsg (net/socket.c:2752)
[   17.498394][  T425]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.498555][  T425]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.498697][  T425]  __sys_sendmsg (net/socket.c:2784)
[   17.498826][  T425]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.498955][  T425]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.499122][  T425]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.499261][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.499402][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.499535][  T425]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.499670][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.499805][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.499966][  T425] RIP: 0033:0x7f34e409708e
[   17.500104][  T425] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.500636][  T425] RSP: 002b:00007ffda3d665f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.500872][  T425] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f34e409708e
[   17.501114][  T425] RDX: 0000000000000000 RSI: 00007ffda3d666a0 RDI: 0000000000000005
[   17.501316][  T425] RBP: 00007ffda3d66600 R08: 0000000000000000 R09: 0000000000000000
[   17.501517][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   17.501711][  T425] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda3d66d70
| [   17.571008][  T426] ------------[ cut here ]------------
| [   17.571388][  T426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/426
| [   17.571713][  T426] Modules linked in: netdevsim
| [   17.572320][  T426] Tainted: [W]=WARN
[   17.572496][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.572718][  T426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.572954][  T426] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.573599][  T426] RSP: 0018:ffa0000000ee71b0 EFLAGS: 00010286
[   17.573911][  T426] RAX: 00000000ffffffa6 RBX: ff11000005d41840 RCX: 1ff40000001dcdfc
[   17.574221][  T426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d418f0
[   17.574522][  T426] RBP: ff1100000c7e4000 R08: 1fe2200000ba831f R09: ff11000008e251a8
[   17.574785][  T426] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.575142][  T426] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.575506][  T426] FS:  00007f37d69be840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   17.575810][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.576036][  T426] CR2: 00007f37d6ccff10 CR3: 0000000004b39005 CR4: 0000000000771ef0
[   17.576301][  T426] PKRU: 55555554
[   17.576469][  T426] Call Trace:
[   17.576627][  T426]  <TASK>
[   17.576777][  T426]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.577059][  T426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.577354][  T426]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.577633][  T426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.577836][  T426]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   17.578098][  T426]  __dev_notify_flags (net/core/dev.c:9787)
[   17.578369][  T426]  ? netif_change_name (net/core/dev.c:1495)
[   17.578585][  T426]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.578812][  T426]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.579058][  T426]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.579284][  T426]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.579488][  T426]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.579681][  T426]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.579908][  T426]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.580149][  T426]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.580438][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.580701][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.580971][  T426]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.581239][  T426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.581525][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.581755][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.581968][  T426]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.582158][  T426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.582416][  T426]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.582614][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.582812][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.583008][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.583210][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.583418][  T426]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.583633][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.583823][  T426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.584017][  T426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.584218][  T426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.584422][  T426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.584613][  T426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.584822][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.585018][  T426]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.585217][  T426]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.585421][  T426]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.585617][  T426]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.585817][  T426]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.586015][  T426]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.586257][  T426]  ? move_addr_to_kernel (net/socket.c:258)
[   17.586470][  T426]  ___sys_sendmsg (net/socket.c:2752)
[   17.586670][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.586857][  T426]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.587072][  T426]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   17.587281][  T426]  __sys_sendmsg (net/socket.c:2784)
[   17.587490][  T426]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.587690][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.587896][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.588085][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.588286][  T426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.588483][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.588689][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.588948][  T426] RIP: 0033:0x7f37d6bf808e
[   17.589149][  T426] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.589731][  T426] RSP: 002b:00007ffd671e6160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.590034][  T426] RAX: ffffffffffffffda RBX: 00007ffd671e6910 RCX: 00007f37d6bf808e
[   17.590345][  T426] RDX: 0000000000000000 RSI: 00007ffd671e6210 RDI: 0000000000000005
[   17.590637][  T426] RBP: 00007ffd671e6170 R08: 0000000000000000 R09: 0000000000000000
[   17.590926][  T426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   17.591228][  T426] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd671e68e0
| [   17.621806][  T427] ------------[ cut here ]------------
| [   17.622073][  T427] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/427
| [   17.622405][  T427] Modules linked in: netdevsim
| [   17.622965][  T427] Tainted: [W]=WARN
[   17.623146][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.623399][  T427] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.623650][  T427] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.624206][  T427] RSP: 0018:ffa0000000ef7020 EFLAGS: 00010286
[   17.624457][  T427] RAX: 00000000ffffffa6 RBX: ff11000005cb2040 RCX: 1ff40000001dedca
[   17.624714][  T427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cb20f0
[   17.624970][  T427] RBP: ff1100000c7e4000 R08: 1fe2200000b9641f R09: ff11000004d2d180
[   17.625251][  T427] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   17.625522][  T427] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.625782][  T427] FS:  00007f7af79d6840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   17.626072][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.626317][  T427] CR2: 0000000033591988 CR3: 000000000c4b9001 CR4: 0000000000771ef0
[   17.626589][  T427] PKRU: 55555554
[   17.626742][  T427] Call Trace:
[   17.626898][  T427]  <TASK>
[   17.627022][  T427]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.627220][  T427]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.627393][  T427]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.627583][  T427]  __dev_notify_flags (net/core/dev.c:9787)
[   17.627805][  T427]  ? netif_change_name (net/core/dev.c:1495)
[   17.627998][  T427]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.628206][  T427]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.628415][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.628604][  T427]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   17.628806][  T427]  netif_change_flags (net/core/dev.c:9820)
[   17.629000][  T427]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.629202][  T427]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.629405][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.629629][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.629821][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.630014][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.630211][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.630472][  T427]  ? __kernel_text_address (kernel/extable.c:79)
[   17.630675][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.630886][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.631077][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.631276][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.631478][  T427]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.631667][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.631853][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.632057][  T427]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.632254][  T427]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   17.632464][  T427]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.632670][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.632874][  T427]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.633078][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.633276][  T427]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.633479][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.633671][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.633862][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.634047][  T427]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.634242][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.634448][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.634636][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.634824][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.635014][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.635221][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.635424][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.635614][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.635806][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.636003][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.636208][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.636414][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.636611][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.636800][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.636989][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.637193][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.637396][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.637585][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.637799][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.637994][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.638193][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.638399][  T427]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.638588][  T427]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.638783][  T427]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.638971][  T427]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.639161][  T427]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.639428][  T427]  ? move_addr_to_kernel (net/socket.c:258)
[   17.639629][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.639839][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.640035][  T427]  ___sys_sendmsg (net/socket.c:2752)
[   17.640258][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.640499][  T427]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.640718][  T427]  __sys_sendmsg (net/socket.c:2784)
[   17.640906][  T427]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.641115][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.641364][  T427]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.641564][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.641764][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.641953][  T427]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.642142][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.642357][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.642582][  T427] RIP: 0033:0x7f7af7c1008e
[   17.642777][  T427] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.643357][  T427] RSP: 002b:00007ffd9741b7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.643651][  T427] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7af7c1008e
[   17.643925][  T427] RDX: 0000000000000000 RSI: 00007ffd9741b8a0 RDI: 0000000000000005
[   17.644191][  T427] RBP: 00007ffd9741b800 R08: 0000000000000000 R09: 0000000000000000
[   17.644485][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf67
[   17.644750][  T427] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9741bf70
| [   17.780784][  T430] ------------[ cut here ]------------
| [   17.781042][  T430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/430
| [   17.782485][  T430] Modules linked in: netdevsim
| [   17.783232][  T430] Tainted: [W]=WARN
[   17.783480][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.783789][  T430] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.784072][  T430] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.784687][  T430] RSP: 0018:ffa0000000f27310 EFLAGS: 00010286
[   17.784957][  T430] RAX: 00000000ffffffa6 RBX: ff11000009111b40 RCX: 1ff40000001e4e28
[   17.785251][  T430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111bf0
[   17.785543][  T430] RBP: ff1100000ce7a000 R08: 1fe220000122237f R09: ff1100000ccb51d0
[   17.785828][  T430] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.786144][  T430] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.786460][  T430] FS:  00007fec94a49840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   17.786799][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.787042][  T430] CR2: 00007fec94ffe004 CR3: 000000000c542006 CR4: 0000000000771ef0
[   17.787344][  T430] PKRU: 55555554
[   17.787508][  T430] Call Trace:
[   17.787672][  T430]  <TASK>
[   17.787802][  T430]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.788059][  T430]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.788344][  T430]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   17.788556][  T430]  ? netdev_run_todo (net/core/dev.c:11703)
[   17.788760][  T430]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.788969][  T430]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   17.789203][  T430]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   17.789420][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.789637][  T430]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   17.789845][  T430] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   17.790051][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.790273][  T430] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   17.790552][  T430] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   17.790796][  T430] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   17.791043][  T430]  devlink_reload (net/devlink/dev.c:462)
[   17.791256][  T430]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   17.791475][  T430]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   17.791719][  T430]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   17.791922][  T430]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   17.792161][  T430]  ? __nla_validate_parse (lib/nlattr.c:635)
[   17.792388][  T430]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.792624][  T430]  ? __nla_parse (lib/nlattr.c:732)
[   17.792834][  T430]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   17.793040][  T430]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   17.793293][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.793511][  T430]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.793712][  T430]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.793918][  T430]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   17.794132][  T430]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   17.794392][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.794634][  T430]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   17.794838][  T430]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.795042][  T430]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   17.795255][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.795475][  T430]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   17.795683][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.795883][  T430]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   17.796086][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.796340][  T430]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.796544][  T430]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.796747][  T430]  genl_rcv (net/netlink/genetlink.c:1218)
[   17.796924][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.797131][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.797364][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.797572][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.797775][  T430]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.797977][  T430]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.798194][  T430]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.798412][  T430]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   17.798615][  T430]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   17.798831][  T430]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   17.799035][  T430]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.799920][  T430]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.800124][  T430]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   17.800353][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.800558][  T430]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.800764][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.800980][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.801233][  T430] RIP: 0033:0x7fec94c8308e
[   17.801465][  T430] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.802068][  T430] RSP: 002b:00007ffc925d4590 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.802409][  T430] RAX: ffffffffffffffda RBX: 000000003dc07980 RCX: 00007fec94c8308e
[   17.802694][  T430] RDX: 0000000000000038 RSI: 000000003dc07ba0 RDI: 0000000000000005
[   17.802976][  T430] RBP: 00007ffc925d45a0 R08: 00007fec94f37980 R09: 000000000000000c
[   17.803269][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   17.803573][  T430] R13: 000000003dc07980 R14: 0000000000000000 R15: 0000000000000003
| [   17.874889][  T430] ------------[ cut here ]------------
| [   17.875161][  T430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/430
| [   17.876044][  T430] Modules linked in: netdevsim
| [   17.876595][  T430] Tainted: [W]=WARN
[   17.876720][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.876927][  T430] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.877147][  T430] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.877753][  T430] RSP: 0018:ffa0000000f27268 EFLAGS: 00010286
[   17.877960][  T430] RAX: 00000000ffffffa6 RBX: ff1100000584d540 RCX: 1ff40000001e4e13
[   17.878211][  T430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000584d5f0
[   17.878467][  T430] RBP: ff1100000cd42000 R08: 1fe2200000b09abf R09: ff1100000ccb51d0
[   17.878720][  T430] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.878958][  T430] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cd42000
[   17.879202][  T430] FS:  00007fec94a49840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   17.879502][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.879709][  T430] CR2: 00005597be0c6bb0 CR3: 000000000c542001 CR4: 0000000000771ef0
[   17.879952][  T430] PKRU: 55555554
[   17.880074][  T430] Call Trace:
[   17.880201][  T430]  <TASK>
[   17.880284][  T430]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.880454][  T430]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.880575][  T430]  register_netdevice (net/core/dev.c:11488)
[   17.880738][  T430]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.880934][  T430]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   17.881102][  T430] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   17.881311][  T430] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   17.881479][  T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   17.881677][  T430]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.881875][  T430]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   17.882076][  T430]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   17.882242][  T430]  ? static_obj (kernel/locking/lockdep.c:858)
[   17.882370][  T430]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.882535][  T430]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   17.882739][  T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   17.882943][  T430]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   17.883149][  T430]  devlink_reload (net/devlink/dev.c:475)
[   17.883319][  T430]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   17.883560][  T430]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   17.883799][  T430]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   17.883958][  T430]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   17.884155][  T430]  ? __nla_validate_parse (lib/nlattr.c:635)
[   17.884339][  T430]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.884506][  T430]  ? __nla_parse (lib/nlattr.c:732)
[   17.884672][  T430]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   17.884834][  T430]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   17.885038][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.885206][  T430]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.885376][  T430]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.885542][  T430]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   17.885707][  T430]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   17.885905][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.886105][  T430]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   17.886271][  T430]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   17.886437][  T430]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   17.886598][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.886757][  T430]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   17.886912][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.887067][  T430]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   17.887229][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.887394][  T430]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.887550][  T430]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.887709][  T430]  genl_rcv (net/netlink/genetlink.c:1218)
[   17.887827][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.887983][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.888139][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.888304][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.888467][  T430]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.888625][  T430]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.888781][  T430]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.888938][  T430]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   17.889097][  T430]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   17.889270][  T430]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   17.889433][  T430]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.889628][  T430]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.889784][  T430]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   17.889939][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.890094][  T430]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.890259][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.890424][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.890621][  T430] RIP: 0033:0x7fec94c8308e
[   17.890808][  T430] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.891394][  T430] RSP: 002b:00007ffc925d4590 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.891639][  T430] RAX: ffffffffffffffda RBX: 000000003dc07980 RCX: 00007fec94c8308e
[   17.891877][  T430] RDX: 0000000000000038 RSI: 000000003dc07ba0 RDI: 0000000000000005
[   17.892117][  T430] RBP: 00007ffc925d45a0 R08: 00007fec94f37980 R09: 000000000000000c
[   17.892373][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   17.892619][  T430] R13: 000000003dc07980 R14: 0000000000000000 R15: 0000000000000003
| [   18.051480][  T441] ------------[ cut here ]------------
| [   18.051776][  T441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/441
| [   18.052176][  T441] Modules linked in: netdevsim
| [   18.052890][  T441] Tainted: [W]=WARN
[   18.053062][  T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.053356][  T441] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.053646][  T441] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.054462][  T441] RSP: 0018:ffa0000000f87010 EFLAGS: 00010286
[   18.054776][  T441] RAX: 00000000ffffffa6 RBX: ff11000004b0a640 RCX: 1ff40000001f0dc8
[   18.055108][  T441] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a6f0
[   18.055461][  T441] RBP: ff1100000c7e4000 R08: 1fe22000009614df R09: ff11000008d65180
[   18.055784][  T441] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   18.056110][  T441] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000f87100
[   18.056985][  T441] FS:  00007fcfb2e0b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   18.057455][  T441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.057746][  T441] CR2: 0000000035d99988 CR3: 000000000ec3b003 CR4: 0000000000771ef0
[   18.058078][  T441] PKRU: 55555554
[   18.058244][  T441] Call Trace:
[   18.058418][  T441]  <TASK>
[   18.058534][  T441]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.058780][  T441]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.058974][  T441]  netif_close_many (net/core/dev.c:1804)
[   18.059206][  T441]  ? __dev_close_many (net/core/dev.c:1781)
[   18.059439][  T441]  ? trace_contention_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/lock.h:122)
[   18.059664][  T441]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.059890][  T441]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.060106][  T441]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   18.060392][  T441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.060616][  T441]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.060888][  T441]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.061113][  T441]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.061357][  T441]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.061633][  T441]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.061850][  T441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.062078][  T441]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   18.062318][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.062549][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.062764][  T441]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.062981][  T441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.063206][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.063466][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.063681][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.063895][  T441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.064113][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.064364][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.064578][  T441]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   18.064798][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.065020][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.065242][  T441]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.065467][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.065697][  T441]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.065911][  T441]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.066143][  T441]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.066375][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.066589][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.066810][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.067024][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.067246][  T441]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.067478][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.067692][  T441]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.067924][  T441]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.068147][  T441]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.068392][  T441]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.068613][  T441]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.068828][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.069050][  T441]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.069285][  T441]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.069513][  T441]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.069739][  T441]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.069955][  T441]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.070166][  T441]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.070561][  T441]  ? move_addr_to_kernel (net/socket.c:258)
[   18.070799][  T441]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.071040][  T441]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.071314][  T441]  ___sys_sendmsg (net/socket.c:2752)
[   18.071538][  T441]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.071805][  T441]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.072053][  T441]  __sys_sendmsg (net/socket.c:2784)
[   18.072279][  T441]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.072507][  T441]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.072787][  T441]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.073002][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.073223][  T441]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.073470][  T441]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.073695][  T441]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.073912][  T441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.074181][  T441] RIP: 0033:0x7fcfb304508e
[   18.074428][  T441] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.075237][  T441] RSP: 002b:00007ffda33dc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.075603][  T441] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcfb304508e
[   18.075938][  T441] RDX: 0000000000000000 RSI: 00007ffda33dc200 RDI: 0000000000000005
[   18.076299][  T441] RBP: 00007ffda33dc160 R08: 0000000000000000 R09: 0000000000000000
[   18.076631][  T441] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf68
[   18.076946][  T441] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda33dc8d0
| [   18.081178][  T441] ------------[ cut here ]------------
| [   18.081360][  T441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/441
| [   18.081592][  T441] Modules linked in: netdevsim
| [   18.082020][  T441] Tainted: [W]=WARN
[   18.082126][  T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.082304][  T441] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.082490][  T441] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.082947][  T441] RSP: 0018:ffa0000000f87190 EFLAGS: 00010286
[   18.083115][  T441] RAX: 00000000ffffffa6 RBX: ff11000004b0b6c0 RCX: 1ff40000001f0df8
[   18.083320][  T441] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b770
[   18.083530][  T441] RBP: ff1100000c7e4000 R08: 1fe22000009616ef R09: ff11000008d65158
[   18.083724][  T441] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.083921][  T441] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.084127][  T441] FS:  00007fcfb2e0b840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   18.084394][  T441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.084571][  T441] CR2: 000055fc190e3b48 CR3: 000000000ec3b006 CR4: 0000000000771ef0
[   18.084769][  T441] PKRU: 55555554
[   18.084866][  T441] Call Trace:
[   18.084962][  T441]  <TASK>
[   18.085030][  T441]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.085208][  T441]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.085377][  T441]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.085512][  T441]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.085652][  T441]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.085823][  T441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.085960][  T441]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   18.086093][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.086247][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.086389][  T441]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.086524][  T441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.086654][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.086805][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.086935][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.087067][  T441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.087198][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.087332][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.087463][  T441]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   18.087599][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.087752][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.087888][  T441]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.088106][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.088241][  T441]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.088377][  T441]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.088504][  T441]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.088718][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.088848][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.088982][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.089110][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.089336][  T441]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.089464][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.089592][  T441]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.089722][  T441]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.089938][  T441]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.090102][  T441]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.090258][  T441]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.090397][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.090614][  T441]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.090748][  T441]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.090878][  T441]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.091017][  T441]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.091243][  T441]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.091380][  T441]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.091542][  T441]  ? move_addr_to_kernel (net/socket.c:258)
[   18.091673][  T441]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.091892][  T441]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.092023][  T441]  ___sys_sendmsg (net/socket.c:2752)
[   18.092151][  T441]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.092321][  T441]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.092475][  T441]  __sys_sendmsg (net/socket.c:2784)
[   18.092616][  T441]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.092754][  T441]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.092925][  T441]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.093080][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.093223][  T441]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.093368][  T441]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.093518][  T441]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.093649][  T441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.093808][  T441] RIP: 0033:0x7fcfb304508e
[   18.093944][  T441] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.094412][  T441] RSP: 002b:00007ffda33dc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.094608][  T441] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcfb304508e
[   18.094798][  T441] RDX: 0000000000000000 RSI: 00007ffda33dc200 RDI: 0000000000000005
[   18.094993][  T441] RBP: 00007ffda33dc160 R08: 0000000000000000 R09: 0000000000000000
[   18.095192][  T441] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf68
[   18.095394][  T441] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda33dc8d0
| [   18.188752][  T450] ------------[ cut here ]------------
| [   18.188966][  T450] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/450
| [   18.189277][  T450] Modules linked in: netdevsim
| [   18.189914][  T450] Tainted: [W]=WARN
[   18.190026][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.190212][  T450] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.190419][  T450] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.190956][  T450] RSP: 0018:ffa0000000ff71b0 EFLAGS: 00010286
[   18.191141][  T450] RAX: 00000000ffffffa6 RBX: ff1100000ec1a040 RCX: 1ff40000001fedfc
[   18.191370][  T450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a0f0
[   18.191584][  T450] RBP: ff1100000c27c000 R08: 1fe2200001d8341f R09: ff1100000904aea8
[   18.191794][  T450] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.192013][  T450] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.192245][  T450] FS:  00007f7ef7a4a840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   18.192500][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.192681][  T450] CR2: 00000000004a77b8 CR3: 000000000ccf7002 CR4: 0000000000771ef0
[   18.192895][  T450] PKRU: 55555554
[   18.193005][  T450] Call Trace:
[   18.193110][  T450]  <TASK>
[   18.193185][  T450]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.193341][  T450]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.193496][  T450]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.193655][  T450]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.193763][  T450]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   18.193907][  T450]  __dev_notify_flags (net/core/dev.c:9787)
[   18.194051][  T450]  ? netif_change_name (net/core/dev.c:1495)
[   18.194203][  T450]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.195112][  T450]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.195441][  T450]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   18.195609][  T450]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.195755][  T450]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.195925][  T450]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.196146][  T450]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.196535][  T450]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.196918][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.197071][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.197224][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.197447][  T450]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.197590][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.197742][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.197886][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.198031][  T450]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.198176][  T450]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.198387][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.198531][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.198678][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.198823][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.198969][  T450]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.199115][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.199402][  T450]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.199572][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.199710][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.199851][  T450]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.199990][  T450]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.200135][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.200286][  T450]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.200549][  T450]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.200764][  T450]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.200908][  T450]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.201053][  T450]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.201198][  T450]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.201381][  T450]  ? move_addr_to_kernel (net/socket.c:258)
[   18.201520][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.201681][  T450]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   18.201891][  T450]  ___sys_sendmsg (net/socket.c:2752)
[   18.202042][  T450]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   18.202185][  T450]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.202342][  T450]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   18.202488][  T450]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   18.202631][  T450]  __sys_sendmsg (net/socket.c:2784)
[   18.202771][  T450]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.202969][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.203172][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.203401][  T450]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.203615][  T450]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.203824][  T450]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.204052][  T450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.204294][  T450] RIP: 0033:0x7f7ef7c8408e
[   18.204460][  T450] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.204970][  T450] RSP: 002b:00007ffc85006b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.205200][  T450] RAX: ffffffffffffffda RBX: 00007ffc850072f0 RCX: 00007f7ef7c8408e
[   18.205419][  T450] RDX: 0000000000000000 RSI: 00007ffc85006bf0 RDI: 0000000000000005
[   18.205632][  T450] RBP: 00007ffc85006b50 R08: 0000000000000000 R09: 0000000000000000
[   18.205846][  T450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf68
[   18.206061][  T450] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc850072c0
| [   18.241392][  T451] ------------[ cut here ]------------
| [   18.241631][  T451] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/451
| [   18.241922][  T451] Modules linked in: netdevsim
| [   18.242474][  T451] Tainted: [W]=WARN
[   18.242629][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.242850][  T451] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.243079][  T451] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.243746][  T451] RSP: 0018:ffa0000001007020 EFLAGS: 00010286
[   18.244040][  T451] RAX: 00000000ffffffa6 RBX: ff1100000ec1a940 RCX: 1ff4000000200dca
[   18.244402][  T451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a9f0
[   18.244659][  T451] RBP: ff1100000c27c000 R08: 1fe2200001d8353f R09: ff1100000904d180
[   18.244916][  T451] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   18.245173][  T451] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.245451][  T451] FS:  00007f6c698fc840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   18.245744][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.245973][  T451] CR2: 000000003a277988 CR3: 000000000ce87004 CR4: 0000000000771ef0
[   18.246236][  T451] PKRU: 55555554
[   18.246402][  T451] Call Trace:
[   18.246556][  T451]  <TASK>
[   18.246675][  T451]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.246866][  T451]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.247020][  T451]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.247224][  T451]  __dev_notify_flags (net/core/dev.c:9787)
[   18.247436][  T451]  ? netif_change_name (net/core/dev.c:1495)
[   18.247624][  T451]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.247811][  T451]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.247995][  T451]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.248195][  T451]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   18.248403][  T451]  netif_change_flags (net/core/dev.c:9820)
[   18.248590][  T451]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.248782][  T451]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.248968][  T451]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.249198][  T451]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.249399][  T451]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.249587][  T451]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.249772][  T451]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.249965][  T451]  ? __kernel_text_address (kernel/extable.c:79)
[   18.250154][  T451]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.250359][  T451]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.250546][  T451]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.250732][  T451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.250918][  T451]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.251116][  T451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.251340][  T451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.251540][  T451]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.251732][  T451]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   18.251929][  T451]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.252117][  T451]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.252309][  T451]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.252511][  T451]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.252747][  T451]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.252940][  T451]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.253134][  T451]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.253347][  T451]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.253563][  T451]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.253757][  T451]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.253982][  T451]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.254204][  T451]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.254427][  T451]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.254624][  T451]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.254816][  T451]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.255010][  T451]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.255223][  T451]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.255428][  T451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.255617][  T451]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.255806][  T451]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.255989][  T451]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.256184][  T451]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.256399][  T451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.256585][  T451]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.256775][  T451]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.256961][  T451]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.257151][  T451]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.257367][  T451]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.257561][  T451]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.257749][  T451]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.257938][  T451]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.258124][  T451]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.258321][  T451]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.258522][  T451]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.258704][  T451]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.258920][  T451]  ? move_addr_to_kernel (net/socket.c:258)
[   18.259111][  T451]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.259303][  T451]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.259507][  T451]  ___sys_sendmsg (net/socket.c:2752)
[   18.259690][  T451]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.259910][  T451]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.260108][  T451]  __sys_sendmsg (net/socket.c:2784)
[   18.260302][  T451]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.260504][  T451]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.260726][  T451]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.260912][  T451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.261099][  T451]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.261296][  T451]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.261494][  T451]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.261681][  T451]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.261906][  T451] RIP: 0033:0x7f6c69b3608e
[   18.262103][  T451] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.262648][  T451] RSP: 002b:00007ffeb36c0e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.262903][  T451] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6c69b3608e
[   18.263162][  T451] RDX: 0000000000000000 RSI: 00007ffeb36c0ef0 RDI: 0000000000000005
[   18.263439][  T451] RBP: 00007ffeb36c0e50 R08: 0000000000000000 R09: 0000000000000000
[   18.263690][  T451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf68
[   18.263942][  T451] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb36c15c0
| [   19.103672][  T473] ------------[ cut here ]------------
| [   19.103935][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   19.104309][  T473] Modules linked in: netdevsim
| [   19.105000][  T473] Tainted: [W]=WARN
[   19.105164][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.105441][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.105723][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.106516][  T473] RSP: 0018:ffa0000001147010 EFLAGS: 00010286
[   19.106794][  T473] RAX: 00000000ffffffa6 RBX: ff110000094a5840 RCX: 1ff4000000228dc8
[   19.107111][  T473] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a58f0
[   19.107455][  T473] RBP: ff1100000c27c000 R08: 1fe2200001294b1f R09: ff1100000c6bae80
[   19.107811][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.108136][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001147100
[   19.108989][  T473] FS:  00007f015ca32840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   19.109424][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.109709][  T473] CR2: 00007f015cd021a0 CR3: 000000000edaf005 CR4: 0000000000771ef0
[   19.110036][  T473] PKRU: 55555554
[   19.110206][  T473] Call Trace:
[   19.110376][  T473]  <TASK>
[   19.110489][  T473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.110703][  T473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.110861][  T473]  netif_close_many (net/core/dev.c:1804)
[   19.111076][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.111300][  T473]  ? __dev_close_many (net/core/dev.c:1781)
[   19.111528][  T473]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.111742][  T473]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.111955][  T473]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.112168][  T473]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   19.112457][  T473]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.112679][  T473]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.112950][  T473]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.113169][  T473]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.113394][  T473]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.113662][  T473]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.113877][  T473]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.114108][  T473]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.114351][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.114582][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.114792][  T473]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.114998][  T473]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.115214][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.115477][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.115687][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.115899][  T473]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.116110][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.116323][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.116546][  T473]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   19.116758][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.116988][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.117199][  T473]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.117425][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.117642][  T473]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.117857][  T473]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.118066][  T473]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.118278][  T473]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.118522][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.118738][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.118963][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.119182][  T473]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.119405][  T473]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.119614][  T473]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.119843][  T473]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.120054][  T473]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.120273][  T473]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.120515][  T473]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.120734][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.120950][  T473]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.121166][  T473]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.121398][  T473]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.121611][  T473]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.121821][  T473]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.122032][  T473]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.122300][  T473]  ? move_addr_to_kernel (net/socket.c:258)
[   19.122523][  T473]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.122731][  T473]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.122943][  T473]  ___sys_sendmsg (net/socket.c:2752)
[   19.123160][  T473]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.123455][  T473]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.123730][  T473]  __sys_sendmsg (net/socket.c:2784)
[   19.123940][  T473]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.124146][  T473]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.124427][  T473]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.124640][  T473]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.124897][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.125114][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.125338][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.125562][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.125843][  T473] RIP: 0033:0x7f015cc6c08e
[   19.126065][  T473] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.126829][  T473] RSP: 002b:00007ffffffb1980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.127151][  T473] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f015cc6c08e
[   19.127485][  T473] RDX: 0000000000000000 RSI: 00007ffffffb1a30 RDI: 0000000000000005
[   19.127801][  T473] RBP: 00007ffffffb1990 R08: 0000000000000000 R09: 0000000000000000
[   19.128134][  T473] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf69
[   19.128484][  T473] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffffb2100
| [   19.149033][  T473] ------------[ cut here ]------------
| [   19.149322][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   19.149684][  T473] Modules linked in: netdevsim
| [   19.150296][  T473] Tainted: [W]=WARN
[   19.150489][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.150755][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.151021][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.151752][  T473] RSP: 0018:ffa0000001147190 EFLAGS: 00010286
[   19.152005][  T473] RAX: 00000000ffffffa6 RBX: ff110000094a44c0 RCX: 1ff4000000228df8
[   19.152316][  T473] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4570
[   19.152627][  T473] RBP: ff1100000c27c000 R08: 1fe22000012948af R09: ff1100000c6bae58
[   19.152921][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.153218][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.153625][  T473] FS:  00007f015ca32840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   19.153985][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.154246][  T473] CR2: 00007f015cd021a0 CR3: 000000000edaf005 CR4: 0000000000771ef0
[   19.154648][  T473] PKRU: 55555554
[   19.154822][  T473] Call Trace:
[   19.154975][  T473]  <TASK>
[   19.155081][  T473]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.155356][  T473]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.155606][  T473]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.155802][  T473]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.156001][  T473]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.156259][  T473]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.156480][  T473]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.156682][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.156881][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.157078][  T473]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.157280][  T473]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.157484][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.157717][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.157920][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.158122][  T473]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.158336][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.158536][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.158734][  T473]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   19.158935][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.159130][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.159347][  T473]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.159552][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.159754][  T473]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.159954][  T473]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.160157][  T473]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.160370][  T473]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.160572][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.160773][  T473]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.160976][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.161178][  T473]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.161393][  T473]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.161594][  T473]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.161806][  T473]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.162010][  T473]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.162220][  T473]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.162431][  T473]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.162630][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.162825][  T473]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.163028][  T473]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.163235][  T473]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.163451][  T473]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.163651][  T473]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.163846][  T473]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.164097][  T473]  ? move_addr_to_kernel (net/socket.c:258)
[   19.164286][  T473]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.164490][  T473]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.164693][  T473]  ___sys_sendmsg (net/socket.c:2752)
[   19.164892][  T473]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.165145][  T473]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.165386][  T473]  __sys_sendmsg (net/socket.c:2784)
[   19.165581][  T473]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.165777][  T473]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.166074][  T473]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.166302][  T473]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.166514][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.166714][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.166916][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.167120][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.167380][  T473] RIP: 0033:0x7f015cc6c08e
[   19.167589][  T473] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.168297][  T473] RSP: 002b:00007ffffffb1980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.168611][  T473] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f015cc6c08e
[   19.168910][  T473] RDX: 0000000000000000 RSI: 00007ffffffb1a30 RDI: 0000000000000005
[   19.169213][  T473] RBP: 00007ffffffb1990 R08: 0000000000000000 R09: 0000000000000000
[   19.169560][  T473] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf69
[   19.169861][  T473] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffffb2100
| [   19.324253][  T483] ------------[ cut here ]------------
| [   19.324461][  T483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/483
| [   19.324731][  T483] Modules linked in: netdevsim
| [   19.325183][  T483] Tainted: [W]=WARN
[   19.325306][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.325497][  T483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.325690][  T483] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.326228][  T483] RSP: 0018:ffa00000011a71b0 EFLAGS: 00010286
[   19.326418][  T483] RAX: 00000000ffffffa6 RBX: ff11000004b0bcc0 RCX: 1ff4000000234dfc
[   19.326629][  T483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0bd70
[   19.326841][  T483] RBP: ff1100000c7ec000 R08: 1fe22000009617af R09: ff11000004c98ba8
[   19.327051][  T483] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.327265][  T483] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.327479][  T483] FS:  00007ff394ad7840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   19.327727][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.327903][  T483] CR2: 00000000004a77b8 CR3: 000000000c669003 CR4: 0000000000771ef0
[   19.328122][  T483] PKRU: 55555554
[   19.328233][  T483] Call Trace:
[   19.328343][  T483]  <TASK>
[   19.328417][  T483]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.328564][  T483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.328704][  T483]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.328846][  T483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.328952][  T483]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   19.329096][  T483]  __dev_notify_flags (net/core/dev.c:9787)
[   19.329243][  T483]  ? netif_change_name (net/core/dev.c:1495)
[   19.329395][  T483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.329572][  T483]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.329714][  T483]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   19.329855][  T483]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.329999][  T483]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.330146][  T483]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.330297][  T483]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.330448][  T483]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.330591][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.330731][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.330873][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.331013][  T483]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.331155][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.331306][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.331454][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.331593][  T483]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.331734][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.331875][  T483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.332015][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.332159][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.332308][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.332459][  T483]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.332602][  T483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.332743][  T483]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.332887][  T483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.333026][  T483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.333168][  T483]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.333314][  T483]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.333461][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.333601][  T483]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.333740][  T483]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.333878][  T483]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.334024][  T483]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.334165][  T483]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.334312][  T483]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.334494][  T483]  ? move_addr_to_kernel (net/socket.c:258)
[   19.334642][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.334784][  T483]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   19.334927][  T483]  ___sys_sendmsg (net/socket.c:2752)
[   19.335067][  T483]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   19.335212][  T483]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.335363][  T483]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   19.335509][  T483]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   19.335654][  T483]  __sys_sendmsg (net/socket.c:2784)
[   19.335794][  T483]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.335938][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.336082][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.336229][  T483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.336377][  T483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.336516][  T483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.336657][  T483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.336835][  T483] RIP: 0033:0x7ff394d1108e
[   19.336986][  T483] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.337502][  T483] RSP: 002b:00007ffd15bbfc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.337719][  T483] RAX: ffffffffffffffda RBX: 00007ffd15bc0400 RCX: 00007ff394d1108e
[   19.337928][  T483] RDX: 0000000000000000 RSI: 00007ffd15bbfd00 RDI: 0000000000000005
[   19.338137][  T483] RBP: 00007ffd15bbfc60 R08: 0000000000000000 R09: 0000000000000000
[   19.338359][  T483] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf69
[   19.338566][  T483] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15bc03d0
| [   19.397181][  T484] ------------[ cut here ]------------
| [   19.397600][  T484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/484
| [   19.397975][  T484] Modules linked in: netdevsim
| [   19.398802][  T484] Tainted: [W]=WARN
[   19.398964][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.399236][  T484] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.399700][  T484] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.400581][  T484] RSP: 0018:ffa00000011a7020 EFLAGS: 00010286
[   19.400849][  T484] RAX: 00000000ffffffa6 RBX: ff11000004b0b240 RCX: 1ff4000000234dca
[   19.401171][  T484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b2f0
[   19.401515][  T484] RBP: ff1100000c7ec000 R08: 1fe220000096165f R09: ff1100000ccb5180
[   19.401834][  T484] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   19.402148][  T484] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.402492][  T484] FS:  00007ff0f8bc5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   19.402882][  T484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.403160][  T484] CR2: 000000000c5b8988 CR3: 000000000cd57004 CR4: 0000000000771ef0
[   19.403503][  T484] PKRU: 55555554
[   19.403670][  T484] Call Trace:
[   19.403832][  T484]  <TASK>
[   19.403945][  T484]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.404174][  T484]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.404362][  T484]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.404548][  T484]  __dev_notify_flags (net/core/dev.c:9787)
[   19.404746][  T484]  ? netif_change_name (net/core/dev.c:1495)
[   19.404958][  T484]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.405165][  T484]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.405394][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.405615][  T484]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.405830][  T484]  netif_change_flags (net/core/dev.c:9820)
[   19.406046][  T484]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.406264][  T484]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.406487][  T484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.406756][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.406974][  T484]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.407188][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.407418][  T484]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.407627][  T484]  ? __kernel_text_address (kernel/extable.c:79)
[   19.407843][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.408063][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.408280][  T484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.408511][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.408722][  T484]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.408935][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.409149][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.409375][  T484]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.409587][  T484]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.409798][  T484]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.410010][  T484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.410237][  T484]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.410464][  T484]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.410682][  T484]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.410901][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.411112][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.411350][  T484]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.411559][  T484]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.411767][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.411988][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.412204][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.412429][  T484]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.412640][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.412850][  T484]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.413065][  T484]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.413286][  T484]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.413508][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.413719][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.413934][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.414140][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.414356][  T484]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.414557][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.414770][  T484]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.414990][  T484]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.415214][  T484]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.415442][  T484]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.415656][  T484]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.415868][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.416083][  T484]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.416299][  T484]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.416517][  T484]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.416737][  T484]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.416953][  T484]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.417164][  T484]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.417439][  T484]  ? move_addr_to_kernel (net/socket.c:258)
[   19.417654][  T484]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.417871][  T484]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.418087][  T484]  ___sys_sendmsg (net/socket.c:2752)
[   19.418305][  T484]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.418605][  T484]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.418840][  T484]  __sys_sendmsg (net/socket.c:2784)
[   19.419054][  T484]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.419265][  T484]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.419548][  T484]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.419759][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.419978][  T484]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.420203][  T484]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.420428][  T484]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.420648][  T484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.420917][  T484] RIP: 0033:0x7ff0f8dff08e
[   19.421137][  T484] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.421917][  T484] RSP: 002b:00007ffeff62d030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.422245][  T484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff0f8dff08e
[   19.422567][  T484] RDX: 0000000000000000 RSI: 00007ffeff62d0e0 RDI: 0000000000000005
[   19.422887][  T484] RBP: 00007ffeff62d040 R08: 0000000000000000 R09: 0000000000000000
[   19.423216][  T484] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf69
[   19.423537][  T484] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeff62d7b0
| [   19.493114][  T486] ------------[ cut here ]------------
| [   19.494093][  T486] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/486
| [   19.494470][  T486] Modules linked in: netdevsim
| [   19.495214][  T486] Tainted: [W]=WARN
[   19.495431][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.495762][  T486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.496113][  T486] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.496853][  T486] RSP: 0018:ffa00000011c7310 EFLAGS: 00010286
[   19.497141][  T486] RAX: 00000000ffffffa6 RBX: ff11000004ec13c0 RCX: 1ff4000000238e28
[   19.497544][  T486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1470
[   19.497934][  T486] RBP: ff1100000cd42000 R08: 1fe22000009d828f R09: ff1100000c71d1d0
[   19.498274][  T486] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.498564][  T486] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.498896][  T486] FS:  00007f7cd8396840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   19.499377][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.499711][  T486] CR2: 00007f7cd894b004 CR3: 0000000009f39001 CR4: 0000000000771ef0
[   19.500073][  T486] PKRU: 55555554
[   19.500242][  T486] Call Trace:
[   19.500420][  T486]  <TASK>
[   19.500549][  T486]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.500797][  T486]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.501033][  T486]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   19.501244][  T486]  ? netdev_run_todo (net/core/dev.c:11703)
[   19.501462][  T486]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.501667][  T486]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   19.501868][  T486]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   19.502066][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.502276][  T486]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.502495][  T486] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   19.502698][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.502906][  T486] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   19.503147][  T486] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   19.503409][  T486] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   19.503648][  T486]  devlink_reload (net/devlink/dev.c:462)
[   19.503850][  T486]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   19.504052][  T486]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   19.504299][  T486]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   19.504539][  T486]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   19.504798][  T486]  ? __nla_validate_parse (lib/nlattr.c:635)
[   19.505003][  T486]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   19.505240][  T486]  ? __nla_parse (lib/nlattr.c:732)
[   19.505459][  T486]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   19.505688][  T486]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   19.505934][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.506137][  T486]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.506389][  T486]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   19.506603][  T486]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   19.506807][  T486]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   19.507069][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.507347][  T486]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   19.507555][  T486]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   19.507756][  T486]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   19.507957][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.508162][  T486]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   19.508383][  T486]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.508588][  T486]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   19.508791][  T486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.508997][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.509214][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.509431][  T486]  genl_rcv (net/netlink/genetlink.c:1218)
[   19.509596][  T486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.509800][  T486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.510000][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.510209][  T486]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.510422][  T486]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.510629][  T486]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.510835][  T486]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.511040][  T486]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   19.511249][  T486]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   19.511475][  T486]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   19.511677][  T486]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.511917][  T486]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.512123][  T486]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.512348][  T486]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.512552][  T486]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.512752][  T486]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.512954][  T486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.513191][  T486] RIP: 0033:0x7f7cd85d008e
[   19.513421][  T486] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.514012][  T486] RSP: 002b:00007ffd31c6f050 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.514296][  T486] RAX: ffffffffffffffda RBX: 0000000031f06980 RCX: 00007f7cd85d008e
[   19.514583][  T486] RDX: 0000000000000038 RSI: 0000000031f06ba0 RDI: 0000000000000005
[   19.514860][  T486] RBP: 00007ffd31c6f060 R08: 00007f7cd8884980 R09: 000000000000000c
[   19.515158][  T486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   19.515451][  T486] R13: 0000000031f06980 R14: 0000000000000000 R15: 0000000000000003
| [   19.571586][  T486] ------------[ cut here ]------------
| [   19.571923][  T486] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/486
| [   19.572552][  T486] Modules linked in: netdevsim
| [   19.573207][  T486] Tainted: [W]=WARN
[   19.573386][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.573649][  T486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.573934][  T486] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.574662][  T486] RSP: 0018:ffa00000011c7268 EFLAGS: 00010286
[   19.574915][  T486] RAX: 00000000ffffffa6 RBX: ff11000004e1d240 RCX: 1ff4000000238e13
[   19.575357][  T486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1d2f0
[   19.575638][  T486] RBP: ff11000009472000 R08: 1fe22000009c3a5f R09: ff1100000c71d1d0
[   19.575918][  T486] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.576294][  T486] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009472000
[   19.576591][  T486] FS:  00007f7cd8396840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   19.576908][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.577183][  T486] CR2: 00007f7cd894b004 CR3: 0000000009f39001 CR4: 0000000000771ef0
[   19.577600][  T486] PKRU: 55555554
[   19.577829][  T486] Call Trace:
[   19.578058][  T486]  <TASK>
[   19.578241][  T486]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.578494][  T486]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.578707][  T486]  register_netdevice (net/core/dev.c:11488)
[   19.578993][  T486]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.579363][  T486]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   19.579639][  T486] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   19.579947][  T486] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   19.580245][  T486] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   19.580612][  T486]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   19.580850][  T486]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   19.581097][  T486]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   19.581309][  T486]  ? static_obj (kernel/locking/lockdep.c:858)
[   19.581487][  T486]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.581696][  T486]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   19.581944][  T486] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   19.582297][  T486]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   19.582613][  T486]  devlink_reload (net/devlink/dev.c:475)
[   19.582902][  T486]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   19.583181][  T486]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   19.583554][  T486]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   19.583790][  T486]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   19.584060][  T486]  ? __nla_validate_parse (lib/nlattr.c:635)
[   19.584621][  T486]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   19.584869][  T486]  ? __nla_parse (lib/nlattr.c:732)
[   19.585131][  T486]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   19.585409][  T486]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   19.585654][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.585857][  T486]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.586113][  T486]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   19.586388][  T486]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   19.586594][  T486]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   19.586833][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.587108][  T486]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   19.587350][  T486]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   19.587552][  T486]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   19.587754][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.588045][  T486]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   19.588301][  T486]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.588519][  T486]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   19.588723][  T486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.588934][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.589136][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.589360][  T486]  genl_rcv (net/netlink/genetlink.c:1218)
[   19.589525][  T486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.589754][  T486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.590025][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.590323][  T486]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.590633][  T486]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.590873][  T486]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.591102][  T486]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.591412][  T486]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   19.591701][  T486]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   19.591983][  T486]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   19.592281][  T486]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.592549][  T486]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.592753][  T486]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.592954][  T486]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.593154][  T486]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.593371][  T486]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.593582][  T486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.593820][  T486] RIP: 0033:0x7f7cd85d008e
[   19.594028][  T486] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.594630][  T486] RSP: 002b:00007ffd31c6f050 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.594921][  T486] RAX: ffffffffffffffda RBX: 0000000031f06980 RCX: 00007f7cd85d008e
[   19.595207][  T486] RDX: 0000000000000038 RSI: 0000000031f06ba0 RDI: 0000000000000005
[   19.595494][  T486] RBP: 00007ffd31c6f060 R08: 00007f7cd8884980 R09: 000000000000000c
[   19.595770][  T486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   19.596099][  T486] R13: 0000000031f06980 R14: 0000000000000000 R15: 0000000000000003
| [   20.482603][  T510] ------------[ cut here ]------------
| [   20.482840][  T510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/510
| [   20.483129][  T510] Modules linked in: netdevsim
| [   20.483896][  T510] Tainted: [W]=WARN
[   20.484048][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.484272][  T510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.484516][  T510] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.485048][  T510] RSP: 0018:ffa0000001327010 EFLAGS: 00010286
[   20.485275][  T510] RAX: 00000000ffffffa6 RBX: ff110000094a47c0 RCX: 1ff4000000264dc8
[   20.485540][  T510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4870
[   20.485791][  T510] RBP: ff1100000c7ec000 R08: 1fe220000129490f R09: ff11000004c9d180
[   20.486043][  T510] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   20.486300][  T510] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001327100
[   20.486566][  T510] FS:  00007f4b0e202840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   20.486859][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.487080][  T510] CR2: 00007f4b0e4d21a0 CR3: 0000000004c0d006 CR4: 0000000000771ef0
[   20.487390][  T510] PKRU: 55555554
[   20.487580][  T510] Call Trace:
[   20.487773][  T510]  <TASK>
[   20.487918][  T510]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.488155][  T510]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.488318][  T510]  netif_close_many (net/core/dev.c:1804)
[   20.488519][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.488709][  T510]  ? __dev_close_many (net/core/dev.c:1781)
[   20.488895][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.489081][  T510]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.489275][  T510]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.489476][  T510]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   20.489696][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.489882][  T510]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.490095][  T510]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.490280][  T510]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.490477][  T510]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.490697][  T510]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.490880][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.491066][  T510]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.491258][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.491453][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.491640][  T510]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.491823][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.492010][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.492226][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.492424][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.492611][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.492794][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.492983][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.493169][  T510]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   20.493376][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.493559][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.493745][  T510]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.493936][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.494192][  T510]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.494442][  T510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.494626][  T510]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.494810][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.495061][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.495345][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.495616][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.495876][  T510]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.496062][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.496251][  T510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.496493][  T510]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.496717][  T510]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.496911][  T510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.497097][  T510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.497293][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.497568][  T510]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.497830][  T510]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.498084][  T510]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.498380][  T510]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.498624][  T510]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.498809][  T510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.499028][  T510]  ? move_addr_to_kernel (net/socket.c:258)
[   20.499227][  T510]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.499429][  T510]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.499619][  T510]  ___sys_sendmsg (net/socket.c:2752)
[   20.499803][  T510]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.500024][  T510]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.500229][  T510]  __sys_sendmsg (net/socket.c:2784)
[   20.500429][  T510]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.500613][  T510]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.500843][  T510]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.501033][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.501246][  T510]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.501507][  T510]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.501697][  T510]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.501885][  T510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.502104][  T510] RIP: 0033:0x7f4b0e43c08e
[   20.502321][  T510] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.502932][  T510] RSP: 002b:00007ffce9e01720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.503191][  T510] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4b0e43c08e
[   20.503569][  T510] RDX: 0000000000000000 RSI: 00007ffce9e017d0 RDI: 0000000000000005
[   20.503849][  T510] RBP: 00007ffce9e01730 R08: 0000000000000000 R09: 0000000000000000
[   20.504103][  T510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6a
[   20.504378][  T510] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce9e01ea0
| [   20.509221][  T510] ------------[ cut here ]------------
| [   20.509481][  T510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/510
| [   20.509833][  T510] Modules linked in: netdevsim
| [   20.510440][  T510] Tainted: [W]=WARN
[   20.510619][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.510828][  T510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.511109][  T510] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.511640][  T510] RSP: 0018:ffa0000001327190 EFLAGS: 00010286
[   20.511856][  T510] RAX: 00000000ffffffa6 RBX: ff110000094a53c0 RCX: 1ff4000000264df8
[   20.512124][  T510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5470
[   20.512431][  T510] RBP: ff1100000c7ec000 R08: 1fe2200001294a8f R09: ff11000004c9d158
[   20.512668][  T510] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.513007][  T510] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.513372][  T510] FS:  00007f4b0e202840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   20.513758][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.514194][  T510] CR2: 00007f4b0e4d21a0 CR3: 0000000004c0d006 CR4: 0000000000771ef0
[   20.514561][  T510] PKRU: 55555554
[   20.514710][  T510] Call Trace:
[   20.514938][  T510]  <TASK>
[   20.515053][  T510]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.515274][  T510]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.515494][  T510]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.515754][  T510]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.515958][  T510]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.516261][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.516528][  T510]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.516898][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.517107][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.517381][  T510]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.517600][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.517889][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.518094][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.518278][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.518517][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.518799][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.518979][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.519183][  T510]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   20.519436][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.519773][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.519996][  T510]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.520232][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.520495][  T510]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.520874][  T510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.521136][  T510]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.521424][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.521672][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.522058][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.522279][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.522491][  T510]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.522731][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.523101][  T510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.523368][  T510]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.523616][  T510]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.523864][  T510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.524218][  T510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.524439][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.524661][  T510]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.524837][  T510]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.525122][  T510]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.525389][  T510]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.525633][  T510]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.525882][  T510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.526282][  T510]  ? move_addr_to_kernel (net/socket.c:258)
[   20.526533][  T510]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.526712][  T510]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.526892][  T510]  ___sys_sendmsg (net/socket.c:2752)
[   20.527227][  T510]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.527527][  T510]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.527788][  T510]  __sys_sendmsg (net/socket.c:2784)
[   20.528029][  T510]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.528437][  T510]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.528738][  T510]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.528975][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.529370][  T510]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.529624][  T510]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.529868][  T510]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.530086][  T510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.530527][  T510] RIP: 0033:0x7f4b0e43c08e
[   20.530758][  T510] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.531667][  T510] RSP: 002b:00007ffce9e01720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.531911][  T510] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4b0e43c08e
[   20.532149][  T510] RDX: 0000000000000000 RSI: 00007ffce9e017d0 RDI: 0000000000000005
[   20.532492][  T510] RBP: 00007ffce9e01730 R08: 0000000000000000 R09: 0000000000000000
[   20.532741][  T510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6a
[   20.533183][  T510] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce9e01ea0
| [   20.608130][  T511] ------------[ cut here ]------------
| [   20.608422][  T511] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/511
| [   20.608838][  T511] Modules linked in: netdevsim
| [   20.609536][  T511] Tainted: [W]=WARN
[   20.609708][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.609997][  T511] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.610292][  T511] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.611089][  T511] RSP: 0018:ffa00000013371b0 EFLAGS: 00010286
[   20.611378][  T511] RAX: 00000000ffffffa6 RBX: ff11000004b0a4c0 RCX: 1ff4000000266dfc
[   20.611703][  T511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a570
[   20.612029][  T511] RBP: ff1100000c32c000 R08: 1fe22000009614af R09: ff1100000c2e51a8
[   20.612374][  T511] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.612699][  T511] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.613026][  T511] FS:  00007fcb71798840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   20.613429][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.613698][  T511] CR2: 00000000004a77b8 CR3: 000000000cc3f001 CR4: 0000000000771ef0
[   20.614019][  T511] PKRU: 55555554
[   20.614184][  T511] Call Trace:
[   20.614366][  T511]  <TASK>
[   20.614480][  T511]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.614705][  T511]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.614933][  T511]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.615152][  T511]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.615320][  T511]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   20.615554][  T511]  __dev_notify_flags (net/core/dev.c:9787)
[   20.615775][  T511]  ? netif_change_name (net/core/dev.c:1495)
[   20.615995][  T511]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.616292][  T511]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.616539][  T511]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.616763][  T511]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.616987][  T511]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.617215][  T511]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.617461][  T511]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.617699][  T511]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.617930][  T511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.618159][  T511]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.618400][  T511]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.618622][  T511]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.618849][  T511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.619078][  T511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.619306][  T511]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.619551][  T511]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.619773][  T511]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.619992][  T511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.620192][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.620403][  T511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.620601][  T511]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.620824][  T511]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.621043][  T511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.621260][  T511]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.621485][  T511]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.621694][  T511]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.621903][  T511]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.622115][  T511]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.622344][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.622564][  T511]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.622782][  T511]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.623021][  T511]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.623241][  T511]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.623445][  T511]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.623653][  T511]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.623918][  T511]  ? move_addr_to_kernel (net/socket.c:258)
[   20.624141][  T511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.624398][  T511]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   20.624618][  T511]  ___sys_sendmsg (net/socket.c:2752)
[   20.624833][  T511]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   20.625042][  T511]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.625265][  T511]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   20.625501][  T511]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   20.625721][  T511]  __sys_sendmsg (net/socket.c:2784)
[   20.625940][  T511]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.626174][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.626405][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.626625][  T511]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.626842][  T511]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.627059][  T511]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.627277][  T511]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.627553][  T511] RIP: 0033:0x7fcb719d208e
[   20.627783][  T511] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.628564][  T511] RSP: 002b:00007ffc3ffd15b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.628866][  T511] RAX: ffffffffffffffda RBX: 00007ffc3ffd1d60 RCX: 00007fcb719d208e
[   20.629197][  T511] RDX: 0000000000000000 RSI: 00007ffc3ffd1660 RDI: 0000000000000005
[   20.629524][  T511] RBP: 00007ffc3ffd15c0 R08: 0000000000000000 R09: 0000000000000000
[   20.629835][  T511] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6a
[   20.630156][  T511] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3ffd1d30
| [   20.674940][  T512] ------------[ cut here ]------------
| [   20.675196][  T512] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/512
| [   20.676245][  T512] Modules linked in: netdevsim
| [   20.676957][  T512] Tainted: [W]=WARN
[   20.677114][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.677357][  T512] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.677594][  T512] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.678149][  T512] RSP: 0018:ffa0000001347020 EFLAGS: 00010286
[   20.678405][  T512] RAX: 00000000ffffffa6 RBX: ff1100000ec1b0c0 RCX: 1ff4000000268dca
[   20.678666][  T512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1b170
[   20.678924][  T512] RBP: ff1100000c32c000 R08: 1fe2200001d8362f R09: ff1100000c2e0b80
[   20.679186][  T512] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.679470][  T512] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.679731][  T512] FS:  00007f2fcfb16840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   20.680028][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.680286][  T512] CR2: 000000000bc64988 CR3: 000000000c066002 CR4: 0000000000771ef0
[   20.680567][  T512] PKRU: 55555554
[   20.680726][  T512] Call Trace:
[   20.680882][  T512]  <TASK>
[   20.681003][  T512]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   20.681193][  T512]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.681471][  T512]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.681700][  T512]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.681986][  T512]  __dev_notify_flags (net/core/dev.c:9787)
[   20.682403][  T512]  ? netif_change_name (net/core/dev.c:1495)
[   20.682668][  T512]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.682854][  T512]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.683044][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.683244][  T512]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.683453][  T512]  netif_change_flags (net/core/dev.c:9820)
[   20.683644][  T512]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.683835][  T512]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.684025][  T512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.684269][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.684476][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.684664][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.684853][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.685044][  T512]  ? __kernel_text_address (kernel/extable.c:79)
[   20.685237][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.685445][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.685637][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.685852][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.686042][  T512]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.686232][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.686440][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.686656][  T512]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.686849][  T512]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.687034][  T512]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.687241][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.687456][  T512]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.687656][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.687855][  T512]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.688046][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.688249][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.688455][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.688665][  T512]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.688857][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.689049][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.689255][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.689479][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.689730][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.689921][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.690110][  T512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.690309][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.690538][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.690733][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.690927][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.691115][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.691319][  T512]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.691523][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.691710][  T512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.691908][  T512]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.692131][  T512]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.692352][  T512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.692545][  T512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.692727][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.692916][  T512]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.693111][  T512]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.693317][  T512]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.693534][  T512]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.693725][  T512]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.693915][  T512]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.694138][  T512]  ? move_addr_to_kernel (net/socket.c:258)
[   20.694349][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.694539][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.694731][  T512]  ___sys_sendmsg (net/socket.c:2752)
[   20.694920][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.695143][  T512]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.695412][  T512]  __sys_sendmsg (net/socket.c:2784)
[   20.695605][  T512]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.695795][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.696049][  T512]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.696253][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.696472][  T512]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.696668][  T512]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.696862][  T512]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.697054][  T512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.697287][  T512] RIP: 0033:0x7f2fcfd5008e
[   20.697500][  T512] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.698052][  T512] RSP: 002b:00007ffc32fba050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.698373][  T512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2fcfd5008e
[   20.698630][  T512] RDX: 0000000000000000 RSI: 00007ffc32fba100 RDI: 0000000000000005
[   20.698888][  T512] RBP: 00007ffc32fba060 R08: 0000000000000000 R09: 0000000000000000
[   20.699151][  T512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6a
[   20.699429][  T512] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc32fba7d0
| [   20.789756][  T514] ------------[ cut here ]------------
| [   20.790004][  T514] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/514
| [   20.790420][  T514] Modules linked in: netdevsim
| [   20.790987][  T514] Tainted: [W]=WARN
[   20.791149][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.791491][  T514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.791824][  T514] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.792506][  T514] RSP: 0018:ffa0000001367310 EFLAGS: 00010286
[   20.792832][  T514] RAX: 00000000ffffffa6 RBX: ff11000004e1d0c0 RCX: 1ff400000026ce28
[   20.793142][  T514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1d170
[   20.793439][  T514] RBP: ff11000009472000 R08: 1fe22000009c3a2f R09: ff1100000c6b8bd0
[   20.793714][  T514] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.793987][  T514] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.794272][  T514] FS:  00007f13119b6840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   20.794606][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.794846][  T514] CR2: 00007f1311f6b004 CR3: 000000000c37a005 CR4: 0000000000771ef0
[   20.795124][  T514] PKRU: 55555554
[   20.795361][  T514] Call Trace:
[   20.795527][  T514]  <TASK>
[   20.795656][  T514]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.796021][  T514]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.796384][  T514]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   20.796667][  T514]  ? netdev_run_todo (net/core/dev.c:11703)
[   20.796953][  T514]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.797189][  T514]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   20.797416][  T514]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   20.797619][  T514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.797833][  T514]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.798036][  T514] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   20.798251][  T514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.798472][  T514] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   20.798716][  T514] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   20.798956][  T514] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   20.799211][  T514]  devlink_reload (net/devlink/dev.c:462)
[   20.799426][  T514]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   20.799628][  T514]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   20.799867][  T514]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   20.800068][  T514]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   20.800313][  T514]  ? __nla_validate_parse (lib/nlattr.c:635)
[   20.800530][  T514]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   20.800734][  T514]  ? __nla_parse (lib/nlattr.c:732)
[   20.800954][  T514]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   20.801156][  T514]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   20.801424][  T514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.801625][  T514]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.801827][  T514]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   20.802033][  T514]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.802247][  T514]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   20.802490][  T514]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.802725][  T514]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   20.802929][  T514]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   20.803132][  T514]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   20.803354][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.803559][  T514]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   20.803765][  T514]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.803965][  T514]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   20.804167][  T514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.804390][  T514]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.804591][  T514]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.804794][  T514]  genl_rcv (net/netlink/genetlink.c:1218)
[   20.804958][  T514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.805164][  T514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.805382][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.805590][  T514]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.805813][  T514]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.806013][  T514]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.806227][  T514]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.806449][  T514]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   20.806652][  T514]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   20.806867][  T514]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   20.807068][  T514]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.807442][  T514]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.807645][  T514]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.807849][  T514]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.808051][  T514]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.808266][  T514]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.808488][  T514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.808754][  T514] RIP: 0033:0x7f1311bf008e
[   20.808983][  T514] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.809659][  T514] RSP: 002b:00007ffcae5433f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.809944][  T514] RAX: ffffffffffffffda RBX: 0000000013098980 RCX: 00007f1311bf008e
[   20.810229][  T514] RDX: 0000000000000038 RSI: 0000000013098ba0 RDI: 0000000000000005
[   20.810530][  T514] RBP: 00007ffcae543400 R08: 00007f1311ea4980 R09: 000000000000000c
[   20.810812][  T514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   20.811089][  T514] R13: 0000000013098980 R14: 0000000000000000 R15: 0000000000000003
| [   20.864989][  T514] ------------[ cut here ]------------
| [   20.865226][  T514] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/514
| [   20.865760][  T514] Modules linked in: netdevsim
| [   20.866259][  T514] Tainted: [W]=WARN
[   20.866385][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.866612][  T514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.866814][  T514] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.867413][  T514] RSP: 0018:ffa0000001367268 EFLAGS: 00010286
[   20.867614][  T514] RAX: 00000000ffffffa6 RBX: ff1100000dfff840 RCX: 1ff400000026ce13
[   20.867848][  T514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff8f0
[   20.868082][  T514] RBP: ff1100000af52000 R08: 1fe2200001bfff1f R09: ff1100000c6b8bd0
[   20.868332][  T514] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.868569][  T514] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000af52000
[   20.868808][  T514] FS:  00007f13119b6840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   20.869086][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.869337][  T514] CR2: 000055fbe875cd5c CR3: 000000000c37a001 CR4: 0000000000771ef0
[   20.869688][  T514] PKRU: 55555554
[   20.869866][  T514] Call Trace:
[   20.870010][  T514]  <TASK>
[   20.870095][  T514]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.870263][  T514]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.870407][  T514]  register_netdevice (net/core/dev.c:11488)
[   20.870571][  T514]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.870765][  T514]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   20.870939][  T514] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   20.871141][  T514] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   20.871302][  T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   20.871537][  T514]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   20.871696][  T514]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   20.871891][  T514]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   20.872050][  T514]  ? static_obj (kernel/locking/lockdep.c:858)
[   20.872169][  T514]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.872339][  T514]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   20.872536][  T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   20.872732][  T514]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   20.872933][  T514]  devlink_reload (net/devlink/dev.c:475)
[   20.873091][  T514]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   20.873252][  T514]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   20.873454][  T514]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   20.873610][  T514]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   20.873805][  T514]  ? __nla_validate_parse (lib/nlattr.c:635)
[   20.873964][  T514]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   20.874125][  T514]  ? __nla_parse (lib/nlattr.c:732)
[   20.874290][  T514]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   20.874454][  T514]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   20.874652][  T514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.874811][  T514]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.874968][  T514]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   20.875128][  T514]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.875295][  T514]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   20.875493][  T514]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.875688][  T514]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   20.875843][  T514]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   20.875998][  T514]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   20.876157][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.876341][  T514]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   20.876499][  T514]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.876656][  T514]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   20.876813][  T514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.876972][  T514]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.877128][  T514]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.877292][  T514]  genl_rcv (net/netlink/genetlink.c:1218)
[   20.877415][  T514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.877578][  T514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.877751][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.877912][  T514]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.878070][  T514]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.878234][  T514]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.878398][  T514]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.878556][  T514]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   20.878714][  T514]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   20.878887][  T514]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   20.879109][  T514]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.879430][  T514]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.879664][  T514]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.879897][  T514]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.880127][  T514]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.880369][  T514]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.880611][  T514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.880902][  T514] RIP: 0033:0x7f1311bf008e
[   20.881072][  T514] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.881674][  T514] RSP: 002b:00007ffcae5433f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.881920][  T514] RAX: ffffffffffffffda RBX: 0000000013098980 RCX: 00007f1311bf008e
[   20.882156][  T514] RDX: 0000000000000038 RSI: 0000000013098ba0 RDI: 0000000000000005
[   20.882404][  T514] RBP: 00007ffcae543400 R08: 00007f1311ea4980 R09: 000000000000000c
[   20.882635][  T514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   20.882874][  T514] R13: 0000000013098980 R14: 0000000000000000 R15: 0000000000000003
| [   21.789538][  T538] ------------[ cut here ]------------
| [   21.789757][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/538
| [   21.790069][  T538] Modules linked in: netdevsim
| [   21.791080][  T538] Tainted: [W]=WARN
[   21.791465][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.791667][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.791870][  T538] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.792536][  T538] RSP: 0018:ffa00000014b7310 EFLAGS: 00010286
[   21.792731][  T538] RAX: 00000000ffffffa6 RBX: ff11000004ec10c0 RCX: 1ff4000000296e28
[   21.792959][  T538] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1170
[   21.793298][  T538] RBP: ff1100000af52000 R08: 1fe22000009d822f R09: ff1100000cdcd1d0
[   21.793625][  T538] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.793891][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.794145][  T538] FS:  00007f63c1e18840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   21.794534][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.794737][  T538] CR2: 00007f63c23cd004 CR3: 000000000dc86003 CR4: 0000000000771ef0
[   21.794982][  T538] PKRU: 55555554
[   21.795100][  T538] Call Trace:
[   21.795220][  T538]  <TASK>
[   21.795302][  T538]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.795510][  T538]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.795703][  T538]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   21.795862][  T538]  ? netdev_run_todo (net/core/dev.c:11703)
[   21.796016][  T538]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.796172][  T538]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   21.796358][  T538]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   21.796520][  T538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.796676][  T538]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.796835][  T538] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   21.796993][  T538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.797147][  T538] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   21.797357][  T538] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   21.797556][  T538] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   21.797751][  T538]  devlink_reload (net/devlink/dev.c:462)
[   21.797908][  T538]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   21.798063][  T538]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   21.798262][  T538]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   21.798425][  T538]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   21.798618][  T538]  ? __nla_validate_parse (lib/nlattr.c:635)
[   21.798778][  T538]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   21.798933][  T538]  ? __nla_parse (lib/nlattr.c:732)
[   21.799090][  T538]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   21.799250][  T538]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   21.799452][  T538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.799606][  T538]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.799762][  T538]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.799920][  T538]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.800074][  T538]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   21.800288][  T538]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.800491][  T538]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   21.800644][  T538]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   21.800798][  T538]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   21.800951][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.801110][  T538]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   21.801276][  T538]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.801436][  T538]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   21.801591][  T538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.801754][  T538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.801912][  T538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.802067][  T538]  genl_rcv (net/netlink/genetlink.c:1218)
[   21.802183][  T538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.802374][  T538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.802533][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.802690][  T538]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.802858][  T538]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.803094][  T538]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.803352][  T538]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.803603][  T538]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   21.803855][  T538]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   21.804121][  T538]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   21.804335][  T538]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.804530][  T538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.804684][  T538]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.804838][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.804992][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.805144][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.805302][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.805501][  T538] RIP: 0033:0x7f63c205208e
[   21.805663][  T538] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.806223][  T538] RSP: 002b:00007ffcfb531470 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   21.806493][  T538] RAX: ffffffffffffffda RBX: 0000000011707980 RCX: 00007f63c205208e
[   21.806725][  T538] RDX: 0000000000000038 RSI: 0000000011707ba0 RDI: 0000000000000005
[   21.806953][  T538] RBP: 00007ffcfb531480 R08: 00007f63c2306980 R09: 000000000000000c
[   21.807261][  T538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   21.807523][  T538] R13: 0000000011707980 R14: 0000000000000000 R15: 0000000000000003
| [   21.971411][  T540] ------------[ cut here ]------------
| [   21.971726][  T540] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/540
| [   21.972154][  T540] Modules linked in: netdevsim
| [   21.972945][  T540] Tainted: [W]=WARN
[   21.973160][  T540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.973502][  T540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.973811][  T540] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.974631][  T540] RSP: 0018:ffa0000000fa7010 EFLAGS: 00010286
[   21.974960][  T540] RAX: 00000000ffffffa6 RBX: ff11000009ae9b40 RCX: 1ff40000001f4dc8
[   21.975357][  T540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ae9bf0
[   21.975734][  T540] RBP: ff1100000c32c000 R08: 1fe220000135d37f R09: ff1100000904ae80
[   21.976108][  T540] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   21.976502][  T540] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000fa7100
[   21.976877][  T540] FS:  00007fcdd4505840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   21.977310][  T540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.977641][  T540] CR2: 0000000021e43988 CR3: 000000000cc15002 CR4: 0000000000771ef0
[   21.978008][  T540] PKRU: 55555554
[   21.978226][  T540] Call Trace:
[   21.978452][  T540]  <TASK>
[   21.978615][  T540]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.978889][  T540]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.979112][  T540]  netif_close_many (net/core/dev.c:1804)
[   21.979555][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.979821][  T540]  ? __dev_close_many (net/core/dev.c:1781)
[   21.980086][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.980382][  T540]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.980651][  T540]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.980914][  T540]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   21.981244][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.981528][  T540]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.981844][  T540]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.982107][  T540]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.982395][  T540]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.982713][  T540]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.982974][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.983257][  T540]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.983545][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.983810][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.984075][  T540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.984369][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.984632][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.984935][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.985200][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.985498][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.985760][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.986025][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.986304][  T540]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   21.986592][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.986853][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.987119][  T540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.987414][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.987676][  T540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.987940][  T540]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.988216][  T540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.988500][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.988764][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.989034][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.989309][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.989600][  T540]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.989866][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.990136][  T540]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.990435][  T540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.990703][  T540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.990972][  T540]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.991244][  T540]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.991521][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.991793][  T540]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.992065][  T540]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.992357][  T540]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.992625][  T540]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.992889][  T540]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.993154][  T540]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.993491][  T540]  ? move_addr_to_kernel (net/socket.c:258)
[   21.993758][  T540]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.994024][  T540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.994300][  T540]  ___sys_sendmsg (net/socket.c:2752)
[   21.994579][  T540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.994899][  T540]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.995189][  T540]  __sys_sendmsg (net/socket.c:2784)
[   21.995482][  T540]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.995749][  T540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.996081][  T540]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.996369][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.996640][  T540]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.996904][  T540]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.997168][  T540]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.997457][  T540]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.997772][  T540] RIP: 0033:0x7fcdd473f08e
[   21.998049][  T540] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.998872][  T540] RSP: 002b:00007ffccda62880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.999249][  T540] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcdd473f08e
[   21.999637][  T540] RDX: 0000000000000000 RSI: 00007ffccda62930 RDI: 0000000000000005
[   22.000010][  T540] RBP: 00007ffccda62890 R08: 0000000000000000 R09: 0000000000000000
[   22.000395][  T540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.000758][  T540] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccda63000
| [   22.005501][  T540] ------------[ cut here ]------------
| [   22.005753][  T540] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/540
| [   22.006152][  T540] Modules linked in: netdevsim
| [   22.007629][  T540] Tainted: [W]=WARN
[   22.008009][  T540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.008406][  T540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.008716][  T540] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.009482][  T540] RSP: 0018:ffa0000000fa7190 EFLAGS: 00010286
[   22.009780][  T540] RAX: 00000000ffffffa6 RBX: ff110000089d61c0 RCX: 1ff40000001f4df8
[   22.010130][  T540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000089d6270
[   22.010513][  T540] RBP: ff1100000c32c000 R08: 1fe220000113ac4f R09: ff1100000904ae58
[   22.010862][  T540] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.011217][  T540] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.011596][  T540] FS:  00007fcdd4505840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   22.011999][  T540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.012317][  T540] CR2: 0000000021e43988 CR3: 000000000cc15002 CR4: 0000000000771ef0
[   22.012696][  T540] PKRU: 55555554
[   22.012908][  T540] Call Trace:
[   22.013118][  T540]  <TASK>
[   22.013288][  T540]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.013628][  T540]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.013948][  T540]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.014237][  T540]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.014505][  T540]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.014814][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.015067][  T540]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.015321][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.015589][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.015838][  T540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.016086][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.016371][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.016666][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.016917][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.017172][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.017441][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.017691][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.017944][  T540]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   22.018212][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.018490][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.018742][  T540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.018994][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.019258][  T540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.019532][  T540]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.019793][  T540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.020049][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.020309][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.020584][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.020834][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.021091][  T540]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.021368][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.021621][  T540]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.021882][  T540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.022145][  T540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.022436][  T540]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.022694][  T540]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.022949][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.023213][  T540]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.023492][  T540]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.023748][  T540]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.024004][  T540]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.024270][  T540]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.024544][  T540]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.024842][  T540]  ? move_addr_to_kernel (net/socket.c:258)
[   22.025098][  T540]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.025373][  T540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.025635][  T540]  ___sys_sendmsg (net/socket.c:2752)
[   22.025885][  T540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.026197][  T540]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.026501][  T540]  __sys_sendmsg (net/socket.c:2784)
[   22.026756][  T540]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.027008][  T540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.027322][  T540]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.027589][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.027842][  T540]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.028111][  T540]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.028393][  T540]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.028646][  T540]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.028953][  T540] RIP: 0033:0x7fcdd473f08e
[   22.029230][  T540] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.030019][  T540] RSP: 002b:00007ffccda62880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.030398][  T540] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcdd473f08e
[   22.030749][  T540] RDX: 0000000000000000 RSI: 00007ffccda62930 RDI: 0000000000000005
[   22.031100][  T540] RBP: 00007ffccda62890 R08: 0000000000000000 R09: 0000000000000000
[   22.031471][  T540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.031810][  T540] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccda63000
| [   22.124276][  T542] ------------[ cut here ]------------
| [   22.124542][  T542] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/542
| [   22.124863][  T542] Modules linked in: netdevsim
| [   22.125369][  T542] Tainted: [W]=WARN
[   22.125490][  T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.125690][  T542] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.125896][  T542] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.126477][  T542] RSP: 0018:ffa0000001397268 EFLAGS: 00010286
[   22.126679][  T542] RAX: 00000000ffffffa6 RBX: ff1100000ecd0340 RCX: 1ff4000000272e13
[   22.126916][  T542] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ecd03f0
[   22.127152][  T542] RBP: ff11000009e2a000 R08: 1fe2200001d9a07f R09: ff1100000c10d1d0
[   22.127403][  T542] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.127642][  T542] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e2a000
[   22.127886][  T542] FS:  00007f0145d8c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   22.128169][  T542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.128380][  T542] CR2: 000055fbe875cd5c CR3: 0000000004f57002 CR4: 0000000000771ef0
[   22.128619][  T542] PKRU: 55555554
[   22.128738][  T542] Call Trace:
[   22.128857][  T542]  <TASK>
[   22.128940][  T542]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.129101][  T542]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.129242][  T542]  register_netdevice (net/core/dev.c:11488)
[   22.129410][  T542]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.129604][  T542]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   22.129768][  T542] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   22.129971][  T542] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   22.130129][  T542] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   22.130341][  T542]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   22.130500][  T542]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   22.130694][  T542]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   22.130855][  T542]  ? static_obj (kernel/locking/lockdep.c:858)
[   22.130974][  T542]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.131134][  T542]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   22.131345][  T542] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   22.131543][  T542]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   22.131739][  T542]  devlink_reload (net/devlink/dev.c:475)
[   22.131897][  T542]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   22.132057][  T542]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   22.132261][  T542]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   22.132428][  T542]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   22.132622][  T542]  ? __nla_validate_parse (lib/nlattr.c:635)
[   22.132780][  T542]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   22.132936][  T542]  ? __nla_parse (lib/nlattr.c:732)
[   22.133096][  T542]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   22.133261][  T542]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   22.133462][  T542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.133619][  T542]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.133774][  T542]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.133932][  T542]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   22.134089][  T542]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   22.134291][  T542]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.134491][  T542]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   22.134671][  T542]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   22.134832][  T542]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   22.134985][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.135144][  T542]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   22.135306][  T542]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.135469][  T542]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   22.135625][  T542]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.135790][  T542]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.135945][  T542]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.136102][  T542]  genl_rcv (net/netlink/genetlink.c:1218)
[   22.136226][  T542]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.136387][  T542]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.136545][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.136703][  T542]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.136859][  T542]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.137015][  T542]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.137173][  T542]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.137341][  T542]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   22.137498][  T542]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   22.137664][  T542]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   22.137823][  T542]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.138016][  T542]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.138170][  T542]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.138337][  T542]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.138491][  T542]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.138645][  T542]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.138799][  T542]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.138990][  T542] RIP: 0033:0x7f0145fc608e
[   22.139157][  T542] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.139731][  T542] RSP: 002b:00007ffc49c5a040 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   22.139967][  T542] RAX: ffffffffffffffda RBX: 000000002bbb1980 RCX: 00007f0145fc608e
[   22.140202][  T542] RDX: 0000000000000038 RSI: 000000002bbb1ba0 RDI: 0000000000000005
[   22.140448][  T542] RBP: 00007ffc49c5a050 R08: 00007f014627a980 R09: 000000000000000c
[   22.140686][  T542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   22.140917][  T542] R13: 000000002bbb1980 R14: 0000000000000000 R15: 0000000000000003
| [   22.222494][  T552] ------------[ cut here ]------------
| [   22.222698][  T552] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/552
| [   22.222981][  T552] Modules linked in: netdevsim
| [   22.223892][  T552] Tainted: [W]=WARN
[   22.224001][  T552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.224183][  T552] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.224380][  T552] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.224888][  T552] RSP: 0018:ffa00000014e71b0 EFLAGS: 00010286
[   22.225067][  T552] RAX: 00000000ffffffa6 RBX: ff1100000ecd1540 RCX: 1ff400000029cdfc
[   22.225290][  T552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ecd15f0
[   22.225511][  T552] RBP: ff110000082f9000 R08: 1fe2200001d9a2bf R09: ff1100000c690ba8
[   22.225723][  T552] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.225945][  T552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.226158][  T552] FS:  00007f743facf840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   22.226415][  T552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.226590][  T552] CR2: 00000000004a77b8 CR3: 0000000004fd1006 CR4: 0000000000771ef0
[   22.226802][  T552] PKRU: 55555554
[   22.226909][  T552] Call Trace:
[   22.227014][  T552]  <TASK>
[   22.227088][  T552]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.227250][  T552]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.227399][  T552]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.227555][  T552]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.227663][  T552]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   22.227806][  T552]  __dev_notify_flags (net/core/dev.c:9787)
[   22.227946][  T552]  ? netif_change_name (net/core/dev.c:1495)
[   22.228089][  T552]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.228268][  T552]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.228414][  T552]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.228587][  T552]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.228727][  T552]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.228871][  T552]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.229017][  T552]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.229161][  T552]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.229309][  T552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.229453][  T552]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.229597][  T552]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.229737][  T552]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.229895][  T552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.230046][  T552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.230196][  T552]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.230346][  T552]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.230492][  T552]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.230630][  T552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.230768][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.230936][  T552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.231082][  T552]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.231236][  T552]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.231391][  T552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.231541][  T552]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.231704][  T552]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.231846][  T552]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.231993][  T552]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.232139][  T552]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.232332][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.232481][  T552]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.232626][  T552]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.232782][  T552]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.232928][  T552]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.233079][  T552]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.233228][  T552]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.233412][  T552]  ? move_addr_to_kernel (net/socket.c:258)
[   22.233556][  T552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.233701][  T552]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   22.233850][  T552]  ___sys_sendmsg (net/socket.c:2752)
[   22.233992][  T552]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   22.234136][  T552]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.234291][  T552]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   22.234449][  T552]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   22.234594][  T552]  __sys_sendmsg (net/socket.c:2784)
[   22.234740][  T552]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.234888][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.235032][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.235173][  T552]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.235320][  T552]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.235468][  T552]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.235619][  T552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.235800][  T552] RIP: 0033:0x7f743fd0908e
[   22.235953][  T552] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.236461][  T552] RSP: 002b:00007ffc789d9900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.236676][  T552] RAX: ffffffffffffffda RBX: 00007ffc789da0b0 RCX: 00007f743fd0908e
[   22.236889][  T552] RDX: 0000000000000000 RSI: 00007ffc789d99b0 RDI: 0000000000000005
[   22.237103][  T552] RBP: 00007ffc789d9910 R08: 0000000000000000 R09: 0000000000000000
[   22.237342][  T552] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.237577][  T552] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc789da080
| [   22.278722][  T553] ------------[ cut here ]------------
| [   22.278918][  T553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/553
| [   22.279175][  T553] Modules linked in: netdevsim
| [   22.279646][  T553] Tainted: [W]=WARN
[   22.279751][  T553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.279928][  T553] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.280109][  T553] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.280619][  T553] RSP: 0018:ffa0000001157020 EFLAGS: 00010286
[   22.280797][  T553] RAX: 00000000ffffffa6 RBX: ff1100000ecd1e40 RCX: 1ff400000022adca
[   22.281008][  T553] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ecd1ef0
[   22.281219][  T553] RBP: ff110000082f9000 R08: 1fe2200001d9a3df R09: ff1100000c692e80
[   22.281457][  T553] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   22.281663][  T553] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.281873][  T553] FS:  00007f7ab1293840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   22.282121][  T553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.282300][  T553] CR2: 0000000005d83988 CR3: 000000000c6e5002 CR4: 0000000000771ef0
[   22.282512][  T553] PKRU: 55555554
[   22.282618][  T553] Call Trace:
[   22.282728][  T553]  <TASK>
[   22.282802][  T553]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   22.282943][  T553]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.283108][  T553]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.283217][  T553]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.283366][  T553]  __dev_notify_flags (net/core/dev.c:9787)
[   22.283509][  T553]  ? netif_change_name (net/core/dev.c:1495)
[   22.283647][  T553]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.283786][  T553]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.283923][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.284062][  T553]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   22.284201][  T553]  netif_change_flags (net/core/dev.c:9820)
[   22.284346][  T553]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.284486][  T553]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.284643][  T553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.284816][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.284958][  T553]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.285094][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.285238][  T553]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.285467][  T553]  ? __kernel_text_address (kernel/extable.c:79)
[   22.285608][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.285748][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.285887][  T553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.286026][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.286163][  T553]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.286304][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.286539][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.286676][  T553]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.286813][  T553]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   22.286955][  T553]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.287094][  T553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.287236][  T553]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.287456][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.287676][  T553]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.287813][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.287953][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.288096][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.288236][  T553]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.288452][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.288593][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.288730][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.288866][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.289002][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.289142][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.289292][  T553]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.289542][  T553]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.289684][  T553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.289818][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.289964][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.290106][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.290252][  T553]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.290407][  T553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.290546][  T553]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.290691][  T553]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.290830][  T553]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.290969][  T553]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.291108][  T553]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.291250][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.291396][  T553]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.291535][  T553]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.291701][  T553]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.291842][  T553]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.291982][  T553]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.292121][  T553]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.292300][  T553]  ? move_addr_to_kernel (net/socket.c:258)
[   22.292448][  T553]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.292593][  T553]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.292735][  T553]  ___sys_sendmsg (net/socket.c:2752)
[   22.292872][  T553]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.293047][  T553]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.293197][  T553]  __sys_sendmsg (net/socket.c:2784)
[   22.293351][  T553]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.293488][  T553]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.293667][  T553]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.293810][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.293952][  T553]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.294092][  T553]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.294240][  T553]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.294383][  T553]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.294558][  T553] RIP: 0033:0x7f7ab14cd08e
[   22.294704][  T553] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.295227][  T553] RSP: 002b:00007ffdc3747a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.295443][  T553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7ab14cd08e
[   22.295655][  T553] RDX: 0000000000000000 RSI: 00007ffdc3747b30 RDI: 0000000000000005
[   22.295862][  T553] RBP: 00007ffdc3747a90 R08: 0000000000000000 R09: 0000000000000000
[   22.296070][  T553] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.296281][  T553] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc3748200
| [   22.434839][  T556] ------------[ cut here ]------------
| [   22.435032][  T556] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/556
| [   22.435285][  T556] Modules linked in: netdevsim
| [   22.435726][  T556] Tainted: [W]=WARN
[   22.435832][  T556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.436005][  T556] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.436185][  T556] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.436683][  T556] RSP: 0018:ffa0000001527010 EFLAGS: 00010286
[   22.436896][  T556] RAX: 00000000ffffffa6 RBX: ff1100000ec1b240 RCX: 1ff40000002a4dc8
[   22.437109][  T556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1b2f0
[   22.437331][  T556] RBP: ff110000082f9000 R08: 1fe2200001d8365f R09: ff11000008e25180
[   22.437542][  T556] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   22.437752][  T556] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001527100
[   22.437964][  T556] FS:  00007fc9efab5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   22.438219][  T556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.438405][  T556] CR2: 00000000367e4988 CR3: 0000000004cdf004 CR4: 0000000000771ef0
[   22.438617][  T556] PKRU: 55555554
[   22.438724][  T556] Call Trace:
[   22.438829][  T556]  <TASK>
[   22.438902][  T556]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.439046][  T556]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.439160][  T556]  netif_close_many (net/core/dev.c:1804)
[   22.439306][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.439455][  T556]  ? __dev_close_many (net/core/dev.c:1781)
[   22.439597][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.439739][  T556]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.439880][  T556]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.440019][  T556]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   22.440195][  T556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.440343][  T556]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.440517][  T556]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.440660][  T556]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.440802][  T556]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.440977][  T556]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   22.441120][  T556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.441283][  T556]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.441433][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.441574][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.441716][  T556]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.441856][  T556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.442015][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.442174][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.442334][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.442476][  T556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.442618][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.442758][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.442898][  T556]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   22.443046][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.443188][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.443374][  T556]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.443515][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.443662][  T556]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.443801][  T556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.443947][  T556]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.444088][  T556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.444240][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.444389][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.444530][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.444674][  T556]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.444816][  T556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.444959][  T556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.445103][  T556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.445249][  T556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.445402][  T556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.445546][  T556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.445693][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.445837][  T556]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.445981][  T556]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.446124][  T556]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.446280][  T556]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.446432][  T556]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.446573][  T556]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.446745][  T556]  ? move_addr_to_kernel (net/socket.c:258)
[   22.446888][  T556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.447031][  T556]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.447173][  T556]  ___sys_sendmsg (net/socket.c:2752)
[   22.447318][  T556]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.447503][  T556]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.447655][  T556]  __sys_sendmsg (net/socket.c:2784)
[   22.447796][  T556]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.447936][  T556]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.448117][  T556]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.448282][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.448431][  T556]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.448577][  T556]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.448721][  T556]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.448866][  T556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.449045][  T556] RIP: 0033:0x7fc9efcef08e
[   22.449198][  T556] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.449719][  T556] RSP: 002b:00007fff66900dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.449935][  T556] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc9efcef08e
[   22.450147][  T556] RDX: 0000000000000000 RSI: 00007fff66900e70 RDI: 0000000000000005
[   22.450370][  T556] RBP: 00007fff66900dd0 R08: 0000000000000000 R09: 0000000000000000
[   22.450584][  T556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.450799][  T556] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff66901540
| [   22.454040][  T556] ------------[ cut here ]------------
| [   22.454201][  T556] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/556
| [   22.454460][  T556] Modules linked in: netdevsim
| [   22.454876][  T556] Tainted: [W]=WARN
[   22.454978][  T556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.455149][  T556] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.455673][  T556] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.456153][  T556] RSP: 0018:ffa0000001527190 EFLAGS: 00010286
[   22.456335][  T556] RAX: 00000000ffffffa6 RBX: ff11000004ec0ac0 RCX: 1ff40000002a4df8
[   22.456534][  T556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0b70
[   22.456735][  T556] RBP: ff110000082f9000 R08: 1fe22000009d816f R09: ff11000008e25158
[   22.456935][  T556] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.457138][  T556] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.457359][  T556] FS:  00007fc9efab5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   22.457597][  T556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.457768][  T556] CR2: 00000000367e4988 CR3: 0000000004cdf004 CR4: 0000000000771ef0
[   22.457970][  T556] PKRU: 55555554
[   22.458072][  T556] Call Trace:
[   22.458175][  T556]  <TASK>
[   22.458250][  T556]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.458431][  T556]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.458595][  T556]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.458731][  T556]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.458863][  T556]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.459027][  T556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.459163][  T556]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.459309][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.459471][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.459634][  T556]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.459769][  T556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.459931][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.460101][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.460267][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.460493][  T556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.460629][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.460758][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.460891][  T556]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   22.461023][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.461155][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.461288][  T556]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.461427][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.461556][  T556]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.461685][  T556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.461816][  T556]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.461945][  T556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.462079][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.462220][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.462355][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.462487][  T556]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.462617][  T556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.462748][  T556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.462899][  T556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.463033][  T556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.463167][  T556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.463351][  T556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.463516][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.463648][  T556]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.463778][  T556]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.463908][  T556]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.464042][  T556]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.464176][  T556]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.464342][  T556]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.464503][  T556]  ? move_addr_to_kernel (net/socket.c:258)
[   22.464636][  T556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.464766][  T556]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.464896][  T556]  ___sys_sendmsg (net/socket.c:2752)
[   22.465029][  T556]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.465189][  T556]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.465344][  T556]  __sys_sendmsg (net/socket.c:2784)
[   22.465476][  T556]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.465606][  T556]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.465769][  T556]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.465900][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.466033][  T556]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.466161][  T556]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.466296][  T556]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.466429][  T556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.466592][  T556] RIP: 0033:0x7fc9efcef08e
[   22.466727][  T556] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.467182][  T556] RSP: 002b:00007fff66900dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.467466][  T556] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc9efcef08e
[   22.467745][  T556] RDX: 0000000000000000 RSI: 00007fff66900e70 RDI: 0000000000000005
[   22.468033][  T556] RBP: 00007fff66900dd0 R08: 0000000000000000 R09: 0000000000000000
[   22.468321][  T556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.468621][  T556] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff66901540
| [   22.606627][  T567] ------------[ cut here ]------------
| [   22.606950][  T567] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/567
| [   22.607443][  T567] Modules linked in: netdevsim
| [   22.608253][  T567] Tainted: [W]=WARN
[   22.608495][  T567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.608830][  T567] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.609181][  T567] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.610037][  T567] RSP: 0018:ffa00000015b71b0 EFLAGS: 00010286
[   22.610393][  T567] RAX: 00000000ffffffa6 RBX: ff1100000b29fe40 RCX: 1ff40000002b6dfc
[   22.610784][  T567] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b29fef0
[   22.611166][  T567] RBP: ff1100000ccb9000 R08: 1fe2200001653fdf R09: ff11000004d5d1a8
[   22.611570][  T567] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.611952][  T567] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.612353][  T567] FS:  00007f99f084a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   22.612781][  T567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.613115][  T567] CR2: 00000000004a77b8 CR3: 000000000c30f005 CR4: 0000000000771ef0
[   22.613526][  T567] PKRU: 55555554
[   22.613745][  T567] Call Trace:
[   22.613966][  T567]  <TASK>
[   22.614139][  T567]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.614441][  T567]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.614722][  T567]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.614998][  T567]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.615204][  T567]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   22.615499][  T567]  __dev_notify_flags (net/core/dev.c:9787)
[   22.615782][  T567]  ? netif_change_name (net/core/dev.c:1495)
[   22.616072][  T567]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.616434][  T567]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.616711][  T567]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.616990][  T567]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.617275][  T567]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.617569][  T567]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.617857][  T567]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.618140][  T567]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.618449][  T567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.618724][  T567]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.619003][  T567]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.619286][  T567]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.619584][  T567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.619867][  T567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.620149][  T567]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.620463][  T567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.620739][  T567]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.621016][  T567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.621300][  T567]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.621592][  T567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.621856][  T567]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.622124][  T567]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.622420][  T567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.622708][  T567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.622990][  T567]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.623271][  T567]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.623565][  T567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.623841][  T567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.624111][  T567]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.624415][  T567]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.624699][  T567]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.624978][  T567]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.625271][  T567]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.625564][  T567]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.625836][  T567]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.626159][  T567]  ? move_addr_to_kernel (net/socket.c:258)
[   22.626455][  T567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.626741][  T567]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   22.627031][  T567]  ___sys_sendmsg (net/socket.c:2752)
[   22.627597][  T567]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   22.627873][  T567]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.628156][  T567]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   22.628462][  T567]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   22.628737][  T567]  __sys_sendmsg (net/socket.c:2784)
[   22.629014][  T567]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.629317][  T567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.629613][  T567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.629890][  T567]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.630164][  T567]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.630470][  T567]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.630749][  T567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.631078][  T567] RIP: 0033:0x7f99f0a8408e
[   22.631387][  T567] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.632252][  T567] RSP: 002b:00007ffe37f756e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.632663][  T567] RAX: ffffffffffffffda RBX: 00007ffe37f75e90 RCX: 00007f99f0a8408e
[   22.633046][  T567] RDX: 0000000000000000 RSI: 00007ffe37f75790 RDI: 0000000000000005
[   22.633444][  T567] RBP: 00007ffe37f756f0 R08: 0000000000000000 R09: 0000000000000000
[   22.633827][  T567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.634223][  T567] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe37f75e60
| [   22.669035][  T568] ------------[ cut here ]------------
| [   22.669228][  T568] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/568
| [   22.669486][  T568] Modules linked in: netdevsim
| [   22.669914][  T568] Tainted: [W]=WARN
[   22.670018][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.670194][  T568] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.670389][  T568] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.670878][  T568] RSP: 0018:ffa00000015c7020 EFLAGS: 00010286
[   22.671051][  T568] RAX: 00000000ffffffa6 RBX: ff1100000b29e340 RCX: 1ff40000002b8dca
[   22.671262][  T568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b29e3f0
[   22.671476][  T568] RBP: ff1100000ccb9000 R08: 1fe2200001653c7f R09: ff1100000c138b80
[   22.671680][  T568] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   22.671882][  T568] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.672090][  T568] FS:  00007f5948fdf840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   22.672343][  T568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.672521][  T568] CR2: 000000001c750988 CR3: 000000000dcc8006 CR4: 0000000000771ef0
[   22.672728][  T568] PKRU: 55555554
[   22.672830][  T568] Call Trace:
[   22.672937][  T568]  <TASK>
[   22.673010][  T568]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   22.673150][  T568]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.673315][  T568]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.673427][  T568]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.673565][  T568]  __dev_notify_flags (net/core/dev.c:9787)
[   22.673710][  T568]  ? netif_change_name (net/core/dev.c:1495)
[   22.673846][  T568]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.673990][  T568]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.674124][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.674266][  T568]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   22.674414][  T568]  netif_change_flags (net/core/dev.c:9820)
[   22.674550][  T568]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.674687][  T568]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.674827][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.675001][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.675139][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.675282][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.675426][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.675564][  T568]  ? __kernel_text_address (kernel/extable.c:79)
[   22.675708][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.675849][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.675985][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.676123][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.676266][  T568]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.676409][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.676543][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.676677][  T568]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.676815][  T568]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   22.676955][  T568]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.677092][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.677237][  T568]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.677380][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.677518][  T568]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.677655][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.677791][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.677927][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.678070][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.678207][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.678357][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.678493][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.678629][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.678765][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.678905][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.679044][  T568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.679181][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.679323][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.679468][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.679607][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.679742][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.679925][  T568]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.680064][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.680204][  T568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.680353][  T568]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.680490][  T568]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.680628][  T568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.680765][  T568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.680901][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.681040][  T568]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.681181][  T568]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.681325][  T568]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.681477][  T568]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.681616][  T568]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.681753][  T568]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.681920][  T568]  ? move_addr_to_kernel (net/socket.c:258)
[   22.682057][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.682195][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.682344][  T568]  ___sys_sendmsg (net/socket.c:2752)
[   22.682480][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.682650][  T568]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.682801][  T568]  __sys_sendmsg (net/socket.c:2784)
[   22.682938][  T568]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.683074][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.683257][  T568]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.683403][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.683542][  T568]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.683684][  T568]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.683821][  T568]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.683959][  T568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.684128][  T568] RIP: 0033:0x7f594921908e
[   22.684330][  T568] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.684821][  T568] RSP: 002b:00007ffc78c7f520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.685033][  T568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f594921908e
[   22.685243][  T568] RDX: 0000000000000000 RSI: 00007ffc78c7f5d0 RDI: 0000000000000005
[   22.685455][  T568] RBP: 00007ffc78c7f530 R08: 0000000000000000 R09: 0000000000000000
[   22.685660][  T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.685865][  T568] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc78c7fca0
| [   22.726772][  T569] ------------[ cut here ]------------
| [   22.726962][  T569] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/569
| [   22.727219][  T569] Modules linked in: netdevsim
| [   22.727697][  T569] Tainted: [W]=WARN
[   22.727807][  T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.727985][  T569] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.728175][  T569] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.728692][  T569] RSP: 0018:ffa00000015d71b0 EFLAGS: 00010286
[   22.728871][  T569] RAX: 00000000ffffffa6 RBX: ff110000092b0940 RCX: 1ff40000002badfc
[   22.729081][  T569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092b09f0
[   22.729292][  T569] RBP: ff1100000ccd1000 R08: 1fe220000125613f R09: ff1100000c13aea8
[   22.729513][  T569] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.729721][  T569] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.729932][  T569] FS:  00007fae362c1840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   22.730180][  T569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.730369][  T569] CR2: 00000000004a77b8 CR3: 000000000df2e002 CR4: 0000000000771ef0
[   22.730581][  T569] PKRU: 55555554
[   22.730686][  T569] Call Trace:
[   22.730790][  T569]  <TASK>
[   22.730864][  T569]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.731008][  T569]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.731148][  T569]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.731301][  T569]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.731416][  T569]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   22.731555][  T569]  __dev_notify_flags (net/core/dev.c:9787)
[   22.731695][  T569]  ? netif_change_name (net/core/dev.c:1495)
[   22.731837][  T569]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.732015][  T569]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.732156][  T569]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.732302][  T569]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.732453][  T569]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.732592][  T569]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.732744][  T569]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.732887][  T569]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.733033][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.733171][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.733316][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.733461][  T569]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.733601][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.733746][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.733887][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.734027][  T569]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.734167][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.734311][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.734461][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.734607][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.734760][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.734909][  T569]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.735049][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.735189][  T569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.735345][  T569]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.735486][  T569]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.735629][  T569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.735774][  T569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.735913][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.736057][  T569]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.736200][  T569]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.736349][  T569]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.736493][  T569]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.736634][  T569]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.736778][  T569]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.736951][  T569]  ? move_addr_to_kernel (net/socket.c:258)
[   22.737091][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.737239][  T569]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   22.737385][  T569]  ___sys_sendmsg (net/socket.c:2752)
[   22.737524][  T569]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   22.737664][  T569]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.737811][  T569]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   22.737956][  T569]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   22.738100][  T569]  __sys_sendmsg (net/socket.c:2784)
[   22.738245][  T569]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.738397][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.738541][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.738682][  T569]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.738824][  T569]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.738966][  T569]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.739108][  T569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.739287][  T569] RIP: 0033:0x7fae364fb08e
[   22.739447][  T569] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.739963][  T569] RSP: 002b:00007ffe17fc6070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.740179][  T569] RAX: ffffffffffffffda RBX: 00007ffe17fc6820 RCX: 00007fae364fb08e
[   22.740406][  T569] RDX: 0000000000000000 RSI: 00007ffe17fc6120 RDI: 0000000000000005
[   22.740615][  T569] RBP: 00007ffe17fc6080 R08: 0000000000000000 R09: 0000000000000000
[   22.740827][  T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6c
[   22.741042][  T569] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe17fc67f0
| [   22.788656][  T570] ------------[ cut here ]------------
| [   22.788913][  T570] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/570
| [   22.789297][  T570] Modules linked in: netdevsim
| [   22.789970][  T570] Tainted: [W]=WARN
[   22.790135][  T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.790422][  T570] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.790714][  T570] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.791502][  T570] RSP: 0018:ffa00000015e7020 EFLAGS: 00010286
[   22.791774][  T570] RAX: 00000000ffffffa6 RBX: ff110000092b0340 RCX: 1ff40000002bcdca
[   22.792093][  T570] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092b03f0
[   22.792517][  T570] RBP: ff1100000ccd1000 R08: 1fe220000125607f R09: ff1100000c13d180
[   22.792841][  T570] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   22.793163][  T570] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.793501][  T570] FS:  00007f9417464840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   22.793882][  T570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.794152][  T570] CR2: 0000000036207988 CR3: 000000000c557001 CR4: 0000000000771ef0
[   22.794612][  T570] PKRU: 55555554
[   22.794778][  T570] Call Trace:
[   22.794955][  T570]  <TASK>
[   22.795071][  T570]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   22.795296][  T570]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.795619][  T570]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.795785][  T570]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.796005][  T570]  __dev_notify_flags (net/core/dev.c:9787)
[   22.796226][  T570]  ? netif_change_name (net/core/dev.c:1495)
[   22.796576][  T570]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.796791][  T570]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.797003][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.797222][  T570]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   22.797738][  T570]  netif_change_flags (net/core/dev.c:9820)
[   22.797960][  T570]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.798180][  T570]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.798405][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.798674][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.798888][  T570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.799103][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.799323][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.799549][  T570]  ? __kernel_text_address (kernel/extable.c:79)
[   22.799765][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.799982][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.800194][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.800421][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.800633][  T570]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.800844][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.801057][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.801274][  T570]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.801497][  T570]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   22.801711][  T570]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.801925][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.802141][  T570]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.802369][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.802587][  T570]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.802807][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.803016][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.803231][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.803451][  T570]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.803663][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.803881][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.804093][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.804314][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.804536][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.804753][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.804964][  T570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.805176][  T570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.805401][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.805614][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.805830][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.806045][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.806268][  T570]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.806489][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.806705][  T570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.806923][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.807135][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.807365][  T570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.807581][  T570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.807797][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.808013][  T570]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.808233][  T570]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.808458][  T570]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.808673][  T570]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.808887][  T570]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.809099][  T570]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.809380][  T570]  ? move_addr_to_kernel (net/socket.c:258)
[   22.809594][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.809805][  T570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.810021][  T570]  ___sys_sendmsg (net/socket.c:2752)
[   22.810237][  T570]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.810510][  T570]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.810747][  T570]  __sys_sendmsg (net/socket.c:2784)
[   22.810961][  T570]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.811171][  T570]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.811450][  T570]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.811665][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.811881][  T570]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.812093][  T570]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.812311][  T570]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.812532][  T570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.812800][  T570] RIP: 0033:0x7f941769e08e
[   22.813028][  T570] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.813796][  T570] RSP: 002b:00007ffd46613d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.814126][  T570] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f941769e08e
[   22.814458][  T570] RDX: 0000000000000000 RSI: 00007ffd46613df0 RDI: 0000000000000005
[   22.814775][  T570] RBP: 00007ffd46613d50 R08: 0000000000000000 R09: 0000000000000000
[   22.815094][  T570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6d
[   22.815428][  T570] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd466144c0
| [   23.189891][  T587] ------------[ cut here ]------------
| [   23.190075][  T587] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/587
| [   23.190336][  T587] Modules linked in: netdevsim
| [   23.190770][  T587] Tainted: [W]=WARN
[   23.190877][  T587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.191051][  T587] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.191234][  T587] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.191721][  T587] RSP: 0018:ffa0000001647010 EFLAGS: 00010286
[   23.191897][  T587] RAX: 00000000ffffffa6 RBX: ff110000094a5240 RCX: 1ff40000002c8dc8
[   23.192101][  T587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a52f0
[   23.192316][  T587] RBP: ff1100000ccb9000 R08: 1fe2200001294a5f R09: ff1100000ccb0b80
[   23.192522][  T587] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   23.192728][  T587] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001647100
[   23.192934][  T587] FS:  00007fa7a9f16840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   23.193194][  T587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.193396][  T587] CR2: 000000003d365988 CR3: 000000000c133002 CR4: 0000000000771ef0
[   23.193611][  T587] PKRU: 55555554
[   23.193722][  T587] Call Trace:
[   23.193834][  T587]  <TASK>
[   23.193908][  T587]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.194052][  T587]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.194159][  T587]  netif_close_many (net/core/dev.c:1804)
[   23.194303][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.194454][  T587]  ? __dev_close_many (net/core/dev.c:1781)
[   23.194612][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.194764][  T587]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.194902][  T587]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.195053][  T587]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   23.195240][  T587]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.195387][  T587]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.195556][  T587]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.195687][  T587]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.195822][  T587]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.195999][  T587]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.196131][  T587]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.196273][  T587]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.196411][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.196565][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.196701][  T587]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.196834][  T587]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.196975][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.197129][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.197270][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.197408][  T587]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.197545][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.197683][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.197822][  T587]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   23.197964][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.198098][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.198241][  T587]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.198391][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.198526][  T587]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.198866][  T587]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.199002][  T587]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.199134][  T587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.199272][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.199421][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.199558][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.199695][  T587]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.199875][  T587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.200072][  T587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.200234][  T587]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.200375][  T587]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.200514][  T587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.200654][  T587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.200789][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.200952][  T587]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.201092][  T587]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.201236][  T587]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.201384][  T587]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.201549][  T587]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.201684][  T587]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.201850][  T587]  ? move_addr_to_kernel (net/socket.c:258)
[   23.201986][  T587]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.202123][  T587]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.202266][  T587]  ___sys_sendmsg (net/socket.c:2752)
[   23.202404][  T587]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.202572][  T587]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.202722][  T587]  __sys_sendmsg (net/socket.c:2784)
[   23.202862][  T587]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.203000][  T587]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.203172][  T587]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.203319][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.203478][  T587]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.203614][  T587]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.203753][  T587]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.203886][  T587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.204069][  T587] RIP: 0033:0x7fa7aa15008e
[   23.204282][  T587] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.205017][  T587] RSP: 002b:00007ffff52423f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.205320][  T587] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa7aa15008e
[   23.205532][  T587] RDX: 0000000000000000 RSI: 00007ffff52424a0 RDI: 0000000000000005
[   23.205845][  T587] RBP: 00007ffff5242400 R08: 0000000000000000 R09: 0000000000000000
[   23.206048][  T587] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6d
[   23.206253][  T587] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff5242b70
| [   23.209095][  T587] ------------[ cut here ]------------
| [   23.209243][  T587] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/587
| [   23.209908][  T587] Modules linked in: netdevsim
| [   23.210362][  T587] Tainted: [W]=WARN
[   23.210459][  T587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.210618][  T587] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.210793][  T587] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.211255][  T587] RSP: 0018:ffa0000001647190 EFLAGS: 00010286
[   23.211450][  T587] RAX: 00000000ffffffa6 RBX: ff110000094a53c0 RCX: 1ff40000002c8df8
[   23.211639][  T587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5470
[   23.211837][  T587] RBP: ff1100000ccb9000 R08: 1fe2200001294a8f R09: ff1100000ccb0b58
[   23.212036][  T587] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.212232][  T587] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.212439][  T587] FS:  00007fa7a9f16840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   23.212664][  T587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.212826][  T587] CR2: 000000003d365988 CR3: 000000000c133002 CR4: 0000000000771ef0
[   23.213018][  T587] PKRU: 55555554
[   23.213113][  T587] Call Trace:
[   23.213217][  T587]  <TASK>
[   23.213285][  T587]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.213453][  T587]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.213610][  T587]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.213738][  T587]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.213865][  T587]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.214024][  T587]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.214156][  T587]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.214300][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.214432][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.214559][  T587]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.214724][  T587]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.214908][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.215087][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.215222][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.215367][  T587]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.215507][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.215633][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.215763][  T587]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   23.215894][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.216022][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.216150][  T587]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.216287][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.216422][  T587]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.216559][  T587]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.216710][  T587]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.216851][  T587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.216985][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.217119][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.217250][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.217393][  T587]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.217540][  T587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.217673][  T587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.217809][  T587]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.217937][  T587]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.218070][  T587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.218196][  T587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.218336][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.218465][  T587]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.218590][  T587]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.218717][  T587]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.218846][  T587]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.218978][  T587]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.219107][  T587]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.219267][  T587]  ? move_addr_to_kernel (net/socket.c:258)
[   23.219421][  T587]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.219549][  T587]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.219677][  T587]  ___sys_sendmsg (net/socket.c:2752)
[   23.219803][  T587]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.219961][  T587]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.220099][  T587]  __sys_sendmsg (net/socket.c:2784)
[   23.220236][  T587]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.220373][  T587]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.220534][  T587]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.220664][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.220791][  T587]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.220919][  T587]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.221058][  T587]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.221186][  T587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.221362][  T587] RIP: 0033:0x7fa7aa15008e
[   23.221498][  T587] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.221945][  T587] RSP: 002b:00007ffff52423f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.222139][  T587] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa7aa15008e
[   23.222349][  T587] RDX: 0000000000000000 RSI: 00007ffff52424a0 RDI: 0000000000000005
[   23.222560][  T587] RBP: 00007ffff5242400 R08: 0000000000000000 R09: 0000000000000000
[   23.222748][  T587] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6d
[   23.222937][  T587] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff5242b70
| [   23.286911][  T588] ------------[ cut here ]------------
| [   23.287160][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/588
| [   23.287971][  T588] Modules linked in: netdevsim
| [   23.288664][  T588] Tainted: [W]=WARN
[   23.288824][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.289090][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.289389][  T588] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.290137][  T588] RSP: 0018:ffa0000001657010 EFLAGS: 00010286
[   23.290421][  T588] RAX: 00000000ffffffa6 RBX: ff11000004ec1540 RCX: 1ff40000002cadc8
[   23.290740][  T588] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec15f0
[   23.291055][  T588] RBP: ff1100000ccd1000 R08: 1fe22000009d82bf R09: ff1100000ccb5180
[   23.291386][  T588] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   23.291705][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001657100
[   23.292030][  T588] FS:  00007f992de17840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   23.292426][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.292690][  T588] CR2: 000000000b6c1988 CR3: 000000000edb8001 CR4: 0000000000771ef0
[   23.293003][  T588] PKRU: 55555554
[   23.293162][  T588] Call Trace:
[   23.293336][  T588]  <TASK>
[   23.293452][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.293687][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.293849][  T588]  netif_close_many (net/core/dev.c:1804)
[   23.294064][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.294280][  T588]  ? __dev_close_many (net/core/dev.c:1781)
[   23.294503][  T588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.294736][  T588]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.294956][  T588]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.295168][  T588]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   23.295441][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.295650][  T588]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.295902][  T588]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.296110][  T588]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.296334][  T588]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.296600][  T588]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.296811][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.297053][  T588]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.297272][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.297504][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.297718][  T588]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.297931][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.298141][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.298420][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.298635][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.298844][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.299048][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.299259][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.299492][  T588]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   23.299702][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.299905][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.300114][  T588]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.300374][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.300589][  T588]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.300800][  T588]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.301011][  T588]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.301224][  T588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.301441][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.301657][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.301870][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.302082][  T588]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.302300][  T588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.302523][  T588]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.302743][  T588]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.302951][  T588]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.303165][  T588]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.303392][  T588]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.303606][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.303825][  T588]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.304036][  T588]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.304250][  T588]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.304471][  T588]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.304684][  T588]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.304894][  T588]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.305153][  T588]  ? move_addr_to_kernel (net/socket.c:258)
[   23.305378][  T588]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.305588][  T588]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.305796][  T588]  ___sys_sendmsg (net/socket.c:2752)
[   23.306005][  T588]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.306276][  T588]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.306521][  T588]  __sys_sendmsg (net/socket.c:2784)
[   23.306733][  T588]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.306945][  T588]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.307224][  T588]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.307446][  T588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.307660][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.307872][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.308083][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.308299][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.308568][  T588] RIP: 0033:0x7f992e05108e
[   23.308790][  T588] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.309556][  T588] RSP: 002b:00007fffabf0bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.309879][  T588] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f992e05108e
[   23.310196][  T588] RDX: 0000000000000000 RSI: 00007fffabf0be20 RDI: 0000000000000005
[   23.310531][  T588] RBP: 00007fffabf0bd80 R08: 0000000000000000 R09: 0000000000000000
[   23.310839][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6d
[   23.311150][  T588] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffabf0c4f0
| [   23.316131][  T588] ------------[ cut here ]------------
| [   23.316874][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/588
| [   23.317224][  T588] Modules linked in: netdevsim
| [   23.317843][  T588] Tainted: [W]=WARN
[   23.317994][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.318244][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.318509][  T588] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.319210][  T588] RSP: 0018:ffa0000001657190 EFLAGS: 00010286
[   23.319479][  T588] RAX: 00000000ffffffa6 RBX: ff1100000ec1a4c0 RCX: 1ff40000002cadf8
[   23.319773][  T588] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a570
[   23.320064][  T588] RBP: ff1100000ccd1000 R08: 1fe2200001d834af R09: ff1100000ccb5158
[   23.320379][  T588] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.320673][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.320969][  T588] FS:  00007f992de17840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   23.321316][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.321574][  T588] CR2: 000000000b6c1988 CR3: 000000000edb8001 CR4: 0000000000771ef0
[   23.321873][  T588] PKRU: 55555554
[   23.322025][  T588] Call Trace:
[   23.322175][  T588]  <TASK>
[   23.322286][  T588]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.322549][  T588]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.322793][  T588]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.322993][  T588]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.323193][  T588]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.323457][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.323659][  T588]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.323859][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.324054][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.324257][  T588]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.324462][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.324662][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.324897][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.325098][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.325305][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.325513][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.325711][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.325907][  T588]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   23.326111][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.326311][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.326520][  T588]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.326720][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.326922][  T588]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.327120][  T588]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.327323][  T588]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.327532][  T588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.327729][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.327935][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.328134][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.328348][  T588]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.328546][  T588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.328744][  T588]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.328949][  T588]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.329151][  T588]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.329365][  T588]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.329564][  T588]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.329762][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.329965][  T588]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.330166][  T588]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.330388][  T588]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.330595][  T588]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.330796][  T588]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.330993][  T588]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.331266][  T588]  ? move_addr_to_kernel (net/socket.c:258)
[   23.331475][  T588]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.331676][  T588]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.331883][  T588]  ___sys_sendmsg (net/socket.c:2752)
[   23.332084][  T588]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.332351][  T588]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.332572][  T588]  __sys_sendmsg (net/socket.c:2784)
[   23.332770][  T588]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.332970][  T588]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.333229][  T588]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.333438][  T588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.333637][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.333836][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.334034][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.334239][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.334495][  T588] RIP: 0033:0x7f992e05108e
[   23.334707][  T588] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.335428][  T588] RSP: 002b:00007fffabf0bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.335723][  T588] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f992e05108e
[   23.336024][  T588] RDX: 0000000000000000 RSI: 00007fffabf0be20 RDI: 0000000000000005
[   23.336323][  T588] RBP: 00007fffabf0bd80 R08: 0000000000000000 R09: 0000000000000000
[   23.336629][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6d
[   23.336926][  T588] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffabf0c4f0
| [   23.437679][  T597] ------------[ cut here ]------------
| [   23.437879][  T597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/597
| [   23.438136][  T597] Modules linked in: netdevsim
| [   23.438641][  T597] Tainted: [W]=WARN
[   23.438752][  T597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.438932][  T597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.439120][  T597] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.439641][  T597] RSP: 0018:ffa00000016c71b0 EFLAGS: 00010286
[   23.439824][  T597] RAX: 00000000ffffffa6 RBX: ff11000004b0a340 RCX: 1ff40000002d8dfc
[   23.440053][  T597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a3f0
[   23.440276][  T597] RBP: ff11000004bfc000 R08: 1fe220000096147f R09: ff11000004f2aea8
[   23.440497][  T597] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.440711][  T597] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.440936][  T597] FS:  00007fa7b4057840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   23.441195][  T597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.441407][  T597] CR2: 00000000004a77b8 CR3: 0000000004c2c006 CR4: 0000000000771ef0
[   23.441621][  T597] PKRU: 55555554
[   23.441740][  T597] Call Trace:
[   23.441850][  T597]  <TASK>
[   23.441925][  T597]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.442069][  T597]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.442216][  T597]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.442367][  T597]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.442474][  T597]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   23.442616][  T597]  __dev_notify_flags (net/core/dev.c:9787)
[   23.442767][  T597]  ? netif_change_name (net/core/dev.c:1495)
[   23.442919][  T597]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.443098][  T597]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.443251][  T597]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.443419][  T597]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.443560][  T597]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.443712][  T597]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.443864][  T597]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.444013][  T597]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.444160][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.444324][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.444476][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.444617][  T597]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.444764][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.444914][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.445055][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.445194][  T597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.445346][  T597]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.445486][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.445631][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.445774][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.445914][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.446061][  T597]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.446202][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.446360][  T597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.446508][  T597]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.446651][  T597]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.446825][  T597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.446968][  T597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.447110][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.447260][  T597]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.447411][  T597]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.447555][  T597]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.447712][  T597]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.447856][  T597]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.447997][  T597]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.448171][  T597]  ? move_addr_to_kernel (net/socket.c:258)
[   23.448317][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.448466][  T597]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   23.448607][  T597]  ___sys_sendmsg (net/socket.c:2752)
[   23.448746][  T597]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   23.448889][  T597]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.449041][  T597]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   23.449186][  T597]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   23.449345][  T597]  __sys_sendmsg (net/socket.c:2784)
[   23.449487][  T597]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.449634][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.449775][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.449921][  T597]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.450065][  T597]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.450205][  T597]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.450359][  T597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.450538][  T597] RIP: 0033:0x7fa7b429108e
[   23.450689][  T597] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.451200][  T597] RSP: 002b:00007fff38ac9050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.451425][  T597] RAX: ffffffffffffffda RBX: 00007fff38ac9800 RCX: 00007fa7b429108e
[   23.451636][  T597] RDX: 0000000000000000 RSI: 00007fff38ac9100 RDI: 0000000000000005
[   23.451845][  T597] RBP: 00007fff38ac9060 R08: 0000000000000000 R09: 0000000000000000
[   23.452059][  T597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6d
[   23.452274][  T597] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff38ac97d0
| [   23.514963][  T598] ------------[ cut here ]------------
| [   23.515241][  T598] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/598
| [   23.515636][  T598] Modules linked in: netdevsim
| [   23.516342][  T598] Tainted: [W]=WARN
[   23.516529][  T598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.516836][  T598] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.517123][  T598] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.517975][  T598] RSP: 0018:ffa00000016c7020 EFLAGS: 00010286
[   23.518250][  T598] RAX: 00000000ffffffa6 RBX: ff11000004b0aac0 RCX: 1ff40000002d8dca
[   23.518706][  T598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0ab70
[   23.519041][  T598] RBP: ff11000004bfc000 R08: 1fe220000096156f R09: ff11000004f2d180
[   23.519440][  T598] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.519772][  T598] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.520094][  T598] FS:  00007fc751edd840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   23.520502][  T598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.520780][  T598] CR2: 000000001ee7f988 CR3: 0000000004cfd005 CR4: 0000000000771ef0
[   23.521108][  T598] PKRU: 55555554
[   23.521277][  T598] Call Trace:
[   23.521448][  T598]  <TASK>
[   23.521560][  T598]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   23.521788][  T598]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.522012][  T598]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.522173][  T598]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.522404][  T598]  __dev_notify_flags (net/core/dev.c:9787)
[   23.522620][  T598]  ? netif_change_name (net/core/dev.c:1495)
[   23.522854][  T598]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.523068][  T598]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.523287][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.523508][  T598]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   23.523725][  T598]  netif_change_flags (net/core/dev.c:9820)
[   23.523962][  T598]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.524181][  T598]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.524406][  T598]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.524671][  T598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.524905][  T598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.525142][  T598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.525375][  T598]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.525587][  T598]  ? __kernel_text_address (kernel/extable.c:79)
[   23.525804][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.526022][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.526288][  T598]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.526509][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.526722][  T598]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.526936][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.527146][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.527372][  T598]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.527593][  T598]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   23.527805][  T598]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.528026][  T598]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.528246][  T598]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.528478][  T598]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.528695][  T598]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.528915][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.529137][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.529391][  T598]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.529606][  T598]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.529822][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.530041][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.530258][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.530479][  T598]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.530687][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.530920][  T598]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.531135][  T598]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.531363][  T598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.531572][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.531781][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.531994][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.532205][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.532433][  T598]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.532644][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.532853][  T598]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.533102][  T598]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.533348][  T598]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.533567][  T598]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.533779][  T598]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.534009][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.534275][  T598]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.534518][  T598]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.534720][  T598]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.534928][  T598]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.535140][  T598]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.535417][  T598]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.535685][  T598]  ? move_addr_to_kernel (net/socket.c:258)
[   23.535907][  T598]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.536121][  T598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.536376][  T598]  ___sys_sendmsg (net/socket.c:2752)
[   23.536583][  T598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.536859][  T598]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.537117][  T598]  __sys_sendmsg (net/socket.c:2784)
[   23.537345][  T598]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.537558][  T598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.537832][  T598]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.538049][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.538369][  T598]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.538600][  T598]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.538811][  T598]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.539025][  T598]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.539301][  T598] RIP: 0033:0x7fc75211708e
[   23.539540][  T598] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.540302][  T598] RSP: 002b:00007ffd8a76b460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.540614][  T598] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc75211708e
[   23.540922][  T598] RDX: 0000000000000000 RSI: 00007ffd8a76b510 RDI: 0000000000000005
[   23.541256][  T598] RBP: 00007ffd8a76b470 R08: 0000000000000000 R09: 0000000000000000
[   23.541575][  T598] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6d
[   23.541881][  T598] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8a76bbe0
| [   24.050733][  T619] ------------[ cut here ]------------
| [   24.051015][  T619] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/619
| [   24.051411][  T619] Modules linked in: netdevsim
| [   24.052103][  T619] Tainted: [W]=WARN
[   24.052271][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.052548][  T619] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.052829][  T619] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.053596][  T619] RSP: 0018:ffa0000001757010 EFLAGS: 00010286
[   24.053865][  T619] RAX: 00000000ffffffa6 RBX: ff11000004ec0040 RCX: 1ff40000002eadc8
[   24.054178][  T619] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec00f0
[   24.054509][  T619] RBP: ff11000004bfc000 R08: 1fe22000009d801f R09: ff1100000ee88b80
[   24.054830][  T619] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   24.055155][  T619] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001757100
[   24.055500][  T619] FS:  00007ff84030d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   24.055877][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.056150][  T619] CR2: 000000003280d988 CR3: 000000000ce4a001 CR4: 0000000000771ef0
[   24.056951][  T619] PKRU: 55555554
[   24.057141][  T619] Call Trace:
[   24.057305][  T619]  <TASK>
[   24.057426][  T619]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.057648][  T619]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.057813][  T619]  netif_close_many (net/core/dev.c:1804)
[   24.058026][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.058246][  T619]  ? __dev_close_many (net/core/dev.c:1781)
[   24.058469][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.058686][  T619]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   24.058908][  T619]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.059119][  T619]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   24.059399][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.059616][  T619]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.059878][  T619]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.060090][  T619]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.060308][  T619]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.060585][  T619]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   24.060817][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.061040][  T619]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.061266][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.061487][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.061718][  T619]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.061933][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.062144][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.062408][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.062621][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.062830][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.063036][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.063246][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.063467][  T619]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   24.063692][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.063907][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.064120][  T619]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.064351][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.064567][  T619]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.064799][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.065017][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.065235][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.065461][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.065678][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.065886][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.066099][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.066316][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.066536][  T619]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.066772][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.066982][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.067199][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.067428][  T619]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.067654][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.067865][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.068080][  T619]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.068305][  T619]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.068542][  T619]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.068755][  T619]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.068969][  T619]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.069234][  T619]  ? move_addr_to_kernel (net/socket.c:258)
[   24.069458][  T619]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.069689][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.069910][  T619]  ___sys_sendmsg (net/socket.c:2752)
[   24.070118][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.070402][  T619]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.070652][  T619]  __sys_sendmsg (net/socket.c:2784)
[   24.070867][  T619]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.071079][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.071361][  T619]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.071576][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.071788][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.071996][  T619]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.072208][  T619]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.072434][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.072699][  T619] RIP: 0033:0x7ff84054708e
[   24.072923][  T619] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.073694][  T619] RSP: 002b:00007ffc02d20300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.074021][  T619] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff84054708e
[   24.074351][  T619] RDX: 0000000000000000 RSI: 00007ffc02d203b0 RDI: 0000000000000005
[   24.074723][  T619] RBP: 00007ffc02d20310 R08: 0000000000000000 R09: 0000000000000000
[   24.075055][  T619] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6e
[   24.075394][  T619] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc02d20a80
| [   24.080176][  T619] ------------[ cut here ]------------
| [   24.080553][  T619] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/619
| [   24.080898][  T619] Modules linked in: netdevsim
| [   24.081660][  T619] Tainted: [W]=WARN
[   24.081815][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.082065][  T619] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.082644][  T619] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.083375][  T619] RSP: 0018:ffa0000001757190 EFLAGS: 00010286
[   24.083629][  T619] RAX: 00000000ffffffa6 RBX: ff1100000dffe4c0 RCX: 1ff40000002eadf8
[   24.083923][  T619] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffe570
[   24.084226][  T619] RBP: ff11000004bfc000 R08: 1fe2200001bffcaf R09: ff1100000ee88b58
[   24.084528][  T619] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.084822][  T619] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.085113][  T619] FS:  00007ff84030d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   24.085477][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.085728][  T619] CR2: 000000003280d988 CR3: 000000000ce4a001 CR4: 0000000000771ef0
[   24.086025][  T619] PKRU: 55555554
[   24.086177][  T619] Call Trace:
[   24.086340][  T619]  <TASK>
[   24.086449][  T619]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.086696][  T619]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.086934][  T619]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.087130][  T619]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.087339][  T619]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.087591][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.087794][  T619]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.087994][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.088192][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.088397][  T619]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.088584][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.088809][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.089049][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.089258][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.089477][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.089693][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.089893][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.090098][  T619]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   24.090341][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.090543][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.090744][  T619]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.090944][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.091140][  T619]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.091344][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.091538][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.091738][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.091930][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.092129][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.092323][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.092536][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.092758][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.092960][  T619]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.093165][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.093379][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.093580][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.093780][  T619]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.093986][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.094189][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.094427][  T619]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.094634][  T619]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.094836][  T619]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.095035][  T619]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.095237][  T619]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.095486][  T619]  ? move_addr_to_kernel (net/socket.c:258)
[   24.095686][  T619]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.095884][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.096086][  T619]  ___sys_sendmsg (net/socket.c:2752)
[   24.096288][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.096544][  T619]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.096765][  T619]  __sys_sendmsg (net/socket.c:2784)
[   24.096959][  T619]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.097153][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.097410][  T619]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.097601][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.097802][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.098001][  T619]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.098197][  T619]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.098406][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.098649][  T619] RIP: 0033:0x7ff84054708e
[   24.098857][  T619] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.099620][  T619] RSP: 002b:00007ffc02d20300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.099931][  T619] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff84054708e
[   24.100230][  T619] RDX: 0000000000000000 RSI: 00007ffc02d203b0 RDI: 0000000000000005
[   24.100525][  T619] RBP: 00007ffc02d20310 R08: 0000000000000000 R09: 0000000000000000
[   24.100836][  T619] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6e
[   24.101132][  T619] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc02d20a80
| [   24.239769][  T629] ------------[ cut here ]------------
| [   24.240069][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/629
| [   24.240565][  T629] Modules linked in: netdevsim
| [   24.241205][  T629] Tainted: [W]=WARN
[   24.241494][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.241737][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.242002][  T629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.242781][  T629] RSP: 0018:ffa00000017d71b0 EFLAGS: 00010286
[   24.243067][  T629] RAX: 00000000ffffffa6 RBX: ff11000009110f40 RCX: 1ff40000002fadfc
[   24.243416][  T629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009110ff0
[   24.243755][  T629] RBP: ff11000002841000 R08: 1fe22000012221ff R09: ff1100000c7951a8
[   24.244079][  T629] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.244394][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.244727][  T629] FS:  00007f3e61183840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   24.245093][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.245368][  T629] CR2: 00000000004a77b8 CR3: 000000000c79f001 CR4: 0000000000771ef0
[   24.245657][  T629] PKRU: 55555554
[   24.245794][  T629] Call Trace:
[   24.245932][  T629]  <TASK>
[   24.246028][  T629]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.246228][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.246456][  T629]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.246653][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.246817][  T629]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   24.247044][  T629]  __dev_notify_flags (net/core/dev.c:9787)
[   24.247279][  T629]  ? netif_change_name (net/core/dev.c:1495)
[   24.247521][  T629]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   24.247796][  T629]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.248010][  T629]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.248195][  T629]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.248390][  T629]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.248584][  T629]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.248805][  T629]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.249007][  T629]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.249226][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.249433][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.249618][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.249808][  T629]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.250016][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.250224][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.250450][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.250677][  T629]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.250900][  T629]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.251127][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.251358][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.251547][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.251731][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.251935][  T629]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.252137][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.252346][  T629]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.252562][  T629]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.252748][  T629]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.252940][  T629]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.253126][  T629]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.253321][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.253542][  T629]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.253738][  T629]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.253926][  T629]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.254115][  T629]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.254308][  T629]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.254525][  T629]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.254768][  T629]  ? move_addr_to_kernel (net/socket.c:258)
[   24.254982][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.255210][  T629]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   24.255452][  T629]  ___sys_sendmsg (net/socket.c:2752)
[   24.255681][  T629]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   24.255908][  T629]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.256116][  T629]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   24.256318][  T629]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   24.256519][  T629]  __sys_sendmsg (net/socket.c:2784)
[   24.256726][  T629]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.256923][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.257125][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.257344][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.257547][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.257755][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.257941][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.258177][  T629] RIP: 0033:0x7f3e613bd08e
[   24.258411][  T629] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.259169][  T629] RSP: 002b:00007fffc615cbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.259518][  T629] RAX: ffffffffffffffda RBX: 00007fffc615d380 RCX: 00007f3e613bd08e
[   24.259853][  T629] RDX: 0000000000000000 RSI: 00007fffc615cc80 RDI: 0000000000000005
[   24.260165][  T629] RBP: 00007fffc615cbe0 R08: 0000000000000000 R09: 0000000000000000
[   24.260456][  T629] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6e
[   24.260745][  T629] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc615d350
| [   24.304860][  T630] ------------[ cut here ]------------
| [   24.305065][  T630] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/630
| [   24.305321][  T630] Modules linked in: netdevsim
| [   24.305846][  T630] Tainted: [W]=WARN
[   24.305961][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.306145][  T630] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.306346][  T630] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.306832][  T630] RSP: 0018:ffa00000017e7020 EFLAGS: 00010286
[   24.307004][  T630] RAX: 00000000ffffffa6 RBX: ff11000009110340 RCX: 1ff40000002fcdca
[   24.307210][  T630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091103f0
[   24.307432][  T630] RBP: ff11000002841000 R08: 1fe220000122207f R09: ff1100000c272e80
[   24.307636][  T630] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.307841][  T630] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.308053][  T630] FS:  00007fe34eef8840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   24.308303][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.308486][  T630] CR2: 0000000037dfa988 CR3: 000000000dda7001 CR4: 0000000000771ef0
[   24.308701][  T630] PKRU: 55555554
[   24.308831][  T630] Call Trace:
[   24.308994][  T630]  <TASK>
[   24.309086][  T630]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.309235][  T630]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.309347][  T630]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.309488][  T630]  __dev_notify_flags (net/core/dev.c:9787)
[   24.309627][  T630]  ? netif_change_name (net/core/dev.c:1495)
[   24.309762][  T630]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.309897][  T630]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.310033][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.310169][  T630]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.310344][  T630]  netif_change_flags (net/core/dev.c:9820)
[   24.310483][  T630]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.310622][  T630]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.310806][  T630]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.311062][  T630]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.311290][  T630]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.311600][  T630]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.311782][  T630]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.311982][  T630]  ? __kernel_text_address (kernel/extable.c:79)
[   24.312194][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.312460][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.312667][  T630]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.312883][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.313090][  T630]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.313271][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.313647][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.313823][  T630]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.314007][  T630]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.314179][  T630]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.314490][  T630]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.314707][  T630]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.314850][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.314994][  T630]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.315139][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.315289][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.315439][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.315579][  T630]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.315726][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.315872][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.316014][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.316159][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.316306][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.316500][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.316690][  T630]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.316831][  T630]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.317030][  T630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.317256][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.317491][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.317710][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.317931][  T630]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.318150][  T630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.318372][  T630]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.318516][  T630]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.318681][  T630]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.318864][  T630]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.319072][  T630]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.319247][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.319403][  T630]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.319550][  T630]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.319697][  T630]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.319846][  T630]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.319992][  T630]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.320133][  T630]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.320317][  T630]  ? move_addr_to_kernel (net/socket.c:258)
[   24.320468][  T630]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.320612][  T630]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.320789][  T630]  ___sys_sendmsg (net/socket.c:2752)
[   24.320971][  T630]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.321230][  T630]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.321393][  T630]  __sys_sendmsg (net/socket.c:2784)
[   24.321535][  T630]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.321678][  T630]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.321855][  T630]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.321996][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.322143][  T630]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.322366][  T630]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.322579][  T630]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.322780][  T630]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.322961][  T630] RIP: 0033:0x7fe34f13208e
[   24.323114][  T630] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.323717][  T630] RSP: 002b:00007ffcb18d9380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.323989][  T630] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe34f13208e
[   24.324308][  T630] RDX: 0000000000000000 RSI: 00007ffcb18d9430 RDI: 0000000000000005
[   24.324538][  T630] RBP: 00007ffcb18d9390 R08: 0000000000000000 R09: 0000000000000000
[   24.324756][  T630] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6e
[   24.324970][  T630] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb18d9b00
| [   24.397714][  T632] ------------[ cut here ]------------
| [   24.397974][  T632] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/632
| [   24.398352][  T632] Modules linked in: netdevsim
| [   24.398996][  T632] Tainted: [W]=WARN
[   24.399157][  T632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.399440][  T632] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.399698][  T632] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.400374][  T632] RSP: 0018:ffa00000017f71b0 EFLAGS: 00010286
[   24.400643][  T632] RAX: 00000000ffffffa6 RBX: ff1100000dffb3c0 RCX: 1ff40000002fedfc
[   24.400959][  T632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffb470
[   24.401240][  T632] RBP: ff1100000dd34000 R08: 1fe2200001bff68f R09: ff1100000ece2ea8
[   24.401560][  T632] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.401857][  T632] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.402174][  T632] FS:  00007f91fd44e840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   24.402576][  T632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.402873][  T632] CR2: 00007f91fd75ff10 CR3: 000000000c16e005 CR4: 0000000000771ef0
[   24.403114][  T632] PKRU: 55555554
[   24.403230][  T632] Call Trace:
[   24.403345][  T632]  <TASK>
[   24.403422][  T632]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.403567][  T632]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.403711][  T632]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.403852][  T632]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.403958][  T632]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   24.404100][  T632]  __dev_notify_flags (net/core/dev.c:9787)
[   24.404253][  T632]  ? netif_change_name (net/core/dev.c:1495)
[   24.404405][  T632]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   24.404605][  T632]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.404758][  T632]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.404898][  T632]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.405038][  T632]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.405178][  T632]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.405342][  T632]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.405494][  T632]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.405662][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.405822][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.405965][  T632]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.406103][  T632]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.406248][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.406399][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.406547][  T632]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.406709][  T632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.406851][  T632]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.406997][  T632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.407139][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.407289][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.407440][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.407582][  T632]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.407724][  T632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.407884][  T632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.408030][  T632]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.408174][  T632]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.408333][  T632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.408474][  T632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.408626][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.408769][  T632]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.408913][  T632]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.409059][  T632]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.409203][  T632]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.409360][  T632]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.409505][  T632]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.409695][  T632]  ? move_addr_to_kernel (net/socket.c:258)
[   24.409847][  T632]  ___sys_sendmsg (net/socket.c:2752)
[   24.409992][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.410133][  T632]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.410288][  T632]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   24.410437][  T632]  __sys_sendmsg (net/socket.c:2784)
[   24.410590][  T632]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.410735][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.410881][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.411028][  T632]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.411174][  T632]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.411320][  T632]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.411472][  T632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.411671][  T632] RIP: 0033:0x7f91fd68808e
[   24.411829][  T632] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.412375][  T632] RSP: 002b:00007fff3d19d780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.412691][  T632] RAX: ffffffffffffffda RBX: 00007fff3d19df30 RCX: 00007f91fd68808e
[   24.412904][  T632] RDX: 0000000000000000 RSI: 00007fff3d19d830 RDI: 0000000000000005
[   24.413115][  T632] RBP: 00007fff3d19d790 R08: 0000000000000000 R09: 0000000000000000
[   24.413341][  T632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6e
[   24.413551][  T632] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3d19df00
| [   24.444210][  T633] ------------[ cut here ]------------
| [   24.444720][  T633] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/633
| [   24.444970][  T633] Modules linked in: netdevsim
| [   24.445457][  T633] Tainted: [W]=WARN
[   24.445562][  T633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.445740][  T633] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.445920][  T633] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.446411][  T633] RSP: 0018:ffa0000001807020 EFLAGS: 00010286
[   24.446586][  T633] RAX: 00000000ffffffa6 RBX: ff1100000dffbcc0 RCX: 1ff4000000300dca
[   24.446789][  T633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffbd70
[   24.447029][  T633] RBP: ff1100000dd34000 R08: 1fe2200001bff7af R09: ff1100000ece0b80
[   24.447277][  T633] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.447488][  T633] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.447693][  T633] FS:  00007f8c60e2a840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   24.447936][  T633] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.448112][  T633] CR2: 0000000038965988 CR3: 000000000ee9f003 CR4: 0000000000771ef0
[   24.448352][  T633] PKRU: 55555554
[   24.448456][  T633] Call Trace:
[   24.448561][  T633]  <TASK>
[   24.448632][  T633]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.448795][  T633]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.448915][  T633]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.449056][  T633]  __dev_notify_flags (net/core/dev.c:9787)
[   24.449195][  T633]  ? netif_change_name (net/core/dev.c:1495)
[   24.449342][  T633]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.449483][  T633]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.449620][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.449763][  T633]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.449909][  T633]  netif_change_flags (net/core/dev.c:9820)
[   24.450046][  T633]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.450186][  T633]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.450335][  T633]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.450510][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.450646][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.450784][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.450918][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.451060][  T633]  ? __kernel_text_address (kernel/extable.c:79)
[   24.451197][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.451344][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.451482][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.451619][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.451754][  T633]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.451934][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.452141][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.452307][  T633]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.452506][  T633]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.452714][  T633]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.452919][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.453126][  T633]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.453359][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.453514][  T633]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.453653][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.453827][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.453969][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.454114][  T633]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.454263][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.454415][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.454557][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.454699][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.454842][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.454985][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.455127][  T633]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.455288][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.455436][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.455577][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.455722][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.455863][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.456008][  T633]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.456149][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.456311][  T633]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.456465][  T633]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.456606][  T633]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.456755][  T633]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.456923][  T633]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.457080][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.457227][  T633]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.457374][  T633]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.457514][  T633]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.457682][  T633]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.457821][  T633]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.457959][  T633]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.458128][  T633]  ? move_addr_to_kernel (net/socket.c:258)
[   24.458272][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.458416][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.458559][  T633]  ___sys_sendmsg (net/socket.c:2752)
[   24.458696][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.458870][  T633]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.459020][  T633]  __sys_sendmsg (net/socket.c:2784)
[   24.459156][  T633]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.459295][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.459476][  T633]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.459616][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.459753][  T633]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.459889][  T633]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.460026][  T633]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.460163][  T633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.460341][  T633] RIP: 0033:0x7f8c6106408e
[   24.460489][  T633] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.460980][  T633] RSP: 002b:00007ffdce984560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.461188][  T633] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8c6106408e
[   24.461425][  T633] RDX: 0000000000000000 RSI: 00007ffdce984610 RDI: 0000000000000005
[   24.461633][  T633] RBP: 00007ffdce984570 R08: 0000000000000000 R09: 0000000000000000
[   24.461839][  T633] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6e
[   24.462043][  T633] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdce984ce0
| [   24.978020][  T661] ------------[ cut here ]------------
| [   24.978261][  T661] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/661
| [   24.978594][  T661] Modules linked in: netdevsim
| [   24.979144][  T661] Tainted: [W]=WARN
[   24.979317][  T661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.979565][  T661] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.979843][  T661] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.980625][  T661] RSP: 0018:ffa00000018f7010 EFLAGS: 00010286
[   24.980952][  T661] RAX: 00000000ffffffa6 RBX: ff11000004e1c640 RCX: 1ff400000031edc8
[   24.981235][  T661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c6f0
[   24.981636][  T661] RBP: ff11000002841000 R08: 1fe22000009c38df R09: ff1100000c718b80
[   24.981999][  T661] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   24.982313][  T661] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000018f7100
[   24.982635][  T661] FS:  00007fea4b2c1840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   24.982999][  T661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.983411][  T661] CR2: 00007fea4b5911a0 CR3: 000000000ed97005 CR4: 0000000000771ef0
[   24.983856][  T661] PKRU: 55555554
[   24.984175][  T661] Call Trace:
[   24.984496][  T661]  <TASK>
[   24.984684][  T661]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.985043][  T661]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.985304][  T661]  netif_close_many (net/core/dev.c:1804)
[   24.985582][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.985850][  T661]  ? __dev_close_many (net/core/dev.c:1781)
[   24.986070][  T661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.986262][  T661]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   24.986461][  T661]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.986642][  T661]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   24.986862][  T661]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.987051][  T661]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.987269][  T661]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.987467][  T661]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.987648][  T661]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.987881][  T661]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   24.988068][  T661]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.988260][  T661]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.988461][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.988649][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.988836][  T661]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.989033][  T661]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.989215][  T661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.989444][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.989626][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.989814][  T661]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.989997][  T661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.990181][  T661]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.990390][  T661]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   24.990612][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.990862][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.991149][  T661]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.991446][  T661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.991713][  T661]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.991935][  T661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.992119][  T661]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.992314][  T661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.992512][  T661]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.992700][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.992880][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.993068][  T661]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.993259][  T661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.993457][  T661]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.993655][  T661]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.993838][  T661]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.994024][  T661]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.994208][  T661]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.994433][  T661]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.994620][  T661]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.994804][  T661]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.994993][  T661]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.995179][  T661]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.995381][  T661]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.995565][  T661]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.995778][  T661]  ? move_addr_to_kernel (net/socket.c:258)
[   24.995981][  T661]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.996169][  T661]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.996381][  T661]  ___sys_sendmsg (net/socket.c:2752)
[   24.996578][  T661]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.996797][  T661]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.996990][  T661]  __sys_sendmsg (net/socket.c:2784)
[   24.997172][  T661]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.997376][  T661]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.997595][  T661]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.997780][  T661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.997966][  T661]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.998172][  T661]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.998379][  T661]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.998566][  T661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.998779][  T661] RIP: 0033:0x7fea4b4fb08e
[   24.998969][  T661] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.999524][  T661] RSP: 002b:00007ffd406547e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.999775][  T661] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fea4b4fb08e
[   25.000021][  T661] RDX: 0000000000000000 RSI: 00007ffd40654890 RDI: 0000000000000005
[   25.000302][  T661] RBP: 00007ffd406547f0 R08: 0000000000000000 R09: 0000000000000000
[   25.000562][  T661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.000807][  T661] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd40654f60
| [   25.011623][  T661] ------------[ cut here ]------------
| [   25.011799][  T661] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/661
| [   25.012024][  T661] Modules linked in: netdevsim
| [   25.012445][  T661] Tainted: [W]=WARN
[   25.012546][  T661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.012705][  T661] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.012877][  T661] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.013531][  T661] RSP: 0018:ffa00000018f7190 EFLAGS: 00010286
[   25.013778][  T661] RAX: 00000000ffffffa6 RBX: ff11000004e1d240 RCX: 1ff400000031edf8
[   25.013981][  T661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1d2f0
[   25.014169][  T661] RBP: ff11000002841000 R08: 1fe22000009c3a5f R09: ff1100000c718b58
[   25.014455][  T661] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.014644][  T661] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.014839][  T661] FS:  00007fea4b2c1840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   25.015184][  T661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.015383][  T661] CR2: 00007f03fb813000 CR3: 000000000ed97005 CR4: 0000000000771ef0
[   25.015658][  T661] PKRU: 55555554
[   25.015755][  T661] Call Trace:
[   25.015850][  T661]  <TASK>
[   25.015917][  T661]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.016080][  T661]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.016335][  T661]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.016464][  T661]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.016589][  T661]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.016746][  T661]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.016907][  T661]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.017041][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.017170][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.017305][  T661]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.017434][  T661]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.017561][  T661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.017709][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.017905][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.018090][  T661]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.018249][  T661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.018387][  T661]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.018513][  T661]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   25.018643][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.018771][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.018903][  T661]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.019048][  T661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.019178][  T661]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.019343][  T661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.019473][  T661]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.019599][  T661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.019841][  T661]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.019997][  T661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.020141][  T661]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.020279][  T661]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.020416][  T661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.020549][  T661]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.020690][  T661]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.020824][  T661]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.020982][  T661]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.021109][  T661]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.021274][  T661]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.021412][  T661]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.021542][  T661]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.021670][  T661]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.021804][  T661]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.021932][  T661]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.022058][  T661]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.022214][  T661]  ? move_addr_to_kernel (net/socket.c:258)
[   25.022382][  T661]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.022601][  T661]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.022741][  T661]  ___sys_sendmsg (net/socket.c:2752)
[   25.022898][  T661]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.023058][  T661]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.023198][  T661]  __sys_sendmsg (net/socket.c:2784)
[   25.023338][  T661]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.023468][  T661]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.023631][  T661]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.023768][  T661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.023919][  T661]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.024056][  T661]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.024212][  T661]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.024358][  T661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.024519][  T661] RIP: 0033:0x7fea4b4fb08e
[   25.024655][  T661] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.025126][  T661] RSP: 002b:00007ffd406547e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.025323][  T661] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fea4b4fb08e
[   25.025540][  T661] RDX: 0000000000000000 RSI: 00007ffd40654890 RDI: 0000000000000005
[   25.025733][  T661] RBP: 00007ffd406547f0 R08: 0000000000000000 R09: 0000000000000000
[   25.026011][  T661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.026200][  T661] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd40654f60
| [   25.088252][  T662] ------------[ cut here ]------------
| [   25.088726][  T662] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/662
| [   25.089436][  T662] Modules linked in: netdevsim
| [   25.090630][  T662] Tainted: [W]=WARN
[   25.090883][  T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.091235][  T662] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.091615][  T662] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.092450][  T662] RSP: 0018:ffa0000001907010 EFLAGS: 00010286
[   25.092757][  T662] RAX: 00000000ffffffa6 RBX: ff11000004f92640 RCX: 1ff4000000320dc8
[   25.093014][  T662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f926f0
[   25.093285][  T662] RBP: ff1100000dd34000 R08: 1fe22000009f24df R09: ff11000008d65180
[   25.093654][  T662] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   25.094010][  T662] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001907100
[   25.094397][  T662] FS:  00007f5add971840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   25.094720][  T662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.094946][  T662] CR2: 00007f5addc411a0 CR3: 0000000004cfe002 CR4: 0000000000771ef0
[   25.095204][  T662] PKRU: 55555554
[   25.095381][  T662] Call Trace:
[   25.095537][  T662]  <TASK>
[   25.095659][  T662]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.095854][  T662]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.096010][  T662]  netif_close_many (net/core/dev.c:1804)
[   25.096203][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.096416][  T662]  ? __dev_close_many (net/core/dev.c:1781)
[   25.096616][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.096808][  T662]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.096997][  T662]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.097185][  T662]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   25.097427][  T662]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.097621][  T662]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.097839][  T662]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.098027][  T662]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.098212][  T662]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.098454][  T662]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.098645][  T662]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.098839][  T662]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.099038][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.099231][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.099434][  T662]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.099622][  T662]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.099810][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.100017][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.100203][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.100413][  T662]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.100607][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.100795][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.100984][  T662]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   25.101175][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.101380][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.101567][  T662]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.101754][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.101948][  T662]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.102140][  T662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.102348][  T662]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.102535][  T662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.102722][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.102912][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.103097][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.103317][  T662]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.103592][  T662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.103793][  T662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.103986][  T662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.104175][  T662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.104387][  T662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.104577][  T662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.104764][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.104962][  T662]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.105151][  T662]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.105362][  T662]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.105554][  T662]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.105742][  T662]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.105930][  T662]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.106149][  T662]  ? move_addr_to_kernel (net/socket.c:258)
[   25.106364][  T662]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.106555][  T662]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.106747][  T662]  ___sys_sendmsg (net/socket.c:2752)
[   25.106934][  T662]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.107158][  T662]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.107380][  T662]  __sys_sendmsg (net/socket.c:2784)
[   25.107568][  T662]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.107755][  T662]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.107986][  T662]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.108175][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.108383][  T662]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.108574][  T662]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.108762][  T662]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.108950][  T662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.109169][  T662] RIP: 0033:0x7f5addbab08e
[   25.109389][  T662] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.109924][  T662] RSP: 002b:00007ffffa3b4cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.110183][  T662] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5addbab08e
[   25.110482][  T662] RDX: 0000000000000000 RSI: 00007ffffa3b4da0 RDI: 0000000000000005
[   25.110737][  T662] RBP: 00007ffffa3b4d00 R08: 0000000000000000 R09: 0000000000000000
[   25.110992][  T662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.111255][  T662] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffa3b5470
| [   25.115031][  T662] ------------[ cut here ]------------
| [   25.115211][  T662] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/662
| [   25.115515][  T662] Modules linked in: netdevsim
| [   25.116014][  T662] Tainted: [W]=WARN
[   25.116162][  T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.116505][  T662] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.116836][  T662] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.117446][  T662] RSP: 0018:ffa0000001907190 EFLAGS: 00010286
[   25.117714][  T662] RAX: 00000000ffffffa6 RBX: ff1100000584e340 RCX: 1ff4000000320df8
[   25.118028][  T662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000584e3f0
[   25.118338][  T662] RBP: ff1100000dd34000 R08: 1fe2200000b09c7f R09: ff11000008d65158
[   25.118577][  T662] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.118818][  T662] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.119061][  T662] FS:  00007f5add971840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   25.119472][  T662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.119781][  T662] CR2: 00007f5addc411a0 CR3: 0000000004cfe002 CR4: 0000000000771ef0
[   25.120128][  T662] PKRU: 55555554
[   25.120356][  T662] Call Trace:
[   25.120561][  T662]  <TASK>
[   25.120719][  T662]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.121026][  T662]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.121346][  T662]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.121604][  T662]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.121855][  T662]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.122159][  T662]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.122443][  T662]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.122700][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.122950][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.123204][  T662]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.123491][  T662]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.123743][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.124030][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.124294][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.124564][  T662]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.124813][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.125062][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.125344][  T662]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   25.125592][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.125844][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.126034][  T662]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.126210][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.126414][  T662]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.126591][  T662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.126768][  T662]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.126948][  T662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.127124][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.127311][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.127498][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.127676][  T662]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.127853][  T662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.128030][  T662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.128209][  T662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.128415][  T662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.128594][  T662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.128770][  T662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.128947][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.129126][  T662]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.129312][  T662]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.129501][  T662]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.129683][  T662]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.129860][  T662]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.130034][  T662]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.130245][  T662]  ? move_addr_to_kernel (net/socket.c:258)
[   25.130437][  T662]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.130614][  T662]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.130791][  T662]  ___sys_sendmsg (net/socket.c:2752)
[   25.130971][  T662]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.131178][  T662]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.131390][  T662]  __sys_sendmsg (net/socket.c:2784)
[   25.131567][  T662]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.131745][  T662]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.131956][  T662]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.132135][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.132341][  T662]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.132517][  T662]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.132693][  T662]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.132874][  T662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.133082][  T662] RIP: 0033:0x7f5addbab08e
[   25.133272][  T662] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.133791][  T662] RSP: 002b:00007ffffa3b4cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.134034][  T662] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5addbab08e
[   25.134289][  T662] RDX: 0000000000000000 RSI: 00007ffffa3b4da0 RDI: 0000000000000005
[   25.134537][  T662] RBP: 00007ffffa3b4d00 R08: 0000000000000000 R09: 0000000000000000
[   25.134783][  T662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.135022][  T662] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffa3b5470
| [   25.288033][  T672] ------------[ cut here ]------------
| [   25.288976][  T672] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/672
| [   25.289401][  T672] Modules linked in: netdevsim
| [   25.290104][  T672] Tainted: [W]=WARN
[   25.290281][  T672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.290587][  T672] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.290889][  T672] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.291739][  T672] RSP: 0018:ffa00000019871b0 EFLAGS: 00010286
[   25.292030][  T672] RAX: 00000000ffffffa6 RBX: ff1100000584f6c0 RCX: 1ff4000000330dfc
[   25.292361][  T672] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000584f770
[   25.292679][  T672] RBP: ff11000009d8c000 R08: 1fe2200000b09eef R09: ff1100000ee8d1a8
[   25.293024][  T672] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   25.293376][  T672] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.293707][  T672] FS:  00007faf1fdb4840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   25.294115][  T672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.294404][  T672] CR2: 00000000004a77b8 CR3: 0000000001f97001 CR4: 0000000000771ef0
[   25.294732][  T672] PKRU: 55555554
[   25.294898][  T672] Call Trace:
[   25.295065][  T672]  <TASK>
[   25.295181][  T672]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.295421][  T672]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.295648][  T672]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.295867][  T672]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.296034][  T672]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   25.296260][  T672]  __dev_notify_flags (net/core/dev.c:9787)
[   25.296500][  T672]  ? netif_change_name (net/core/dev.c:1495)
[   25.296728][  T672]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.297010][  T672]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.297236][  T672]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.297578][  T672]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.297796][  T672]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.298018][  T672]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.298255][  T672]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.298584][  T672]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.298804][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.299024][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.299247][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.299481][  T672]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.299704][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.299934][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.300150][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.300383][  T672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.300601][  T672]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.300815][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.301028][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.301257][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.301489][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.301710][  T672]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.301931][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.302155][  T672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.302391][  T672]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.302618][  T672]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.302840][  T672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.303061][  T672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.303295][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.303530][  T672]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.303753][  T672]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.303976][  T672]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.304199][  T672]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.304434][  T672]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.304651][  T672]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.304919][  T672]  ? move_addr_to_kernel (net/socket.c:258)
[   25.305146][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.305382][  T672]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.305602][  T672]  ___sys_sendmsg (net/socket.c:2752)
[   25.305820][  T672]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.306039][  T672]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.306274][  T672]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.306513][  T672]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   25.306742][  T672]  __sys_sendmsg (net/socket.c:2784)
[   25.306964][  T672]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.307189][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.307420][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.307639][  T672]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.307858][  T672]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.308091][  T672]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.308318][  T672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.308599][  T672] RIP: 0033:0x7faf1ffee08e
[   25.308816][  T672] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.309582][  T672] RSP: 002b:00007ffc97e7f800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.309917][  T672] RAX: ffffffffffffffda RBX: 00007ffc97e7ffb0 RCX: 00007faf1ffee08e
[   25.310252][  T672] RDX: 0000000000000000 RSI: 00007ffc97e7f8b0 RDI: 0000000000000005
[   25.310582][  T672] RBP: 00007ffc97e7f810 R08: 0000000000000000 R09: 0000000000000000
[   25.310911][  T672] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.311245][  T672] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc97e7ff80
| [   25.363976][  T673] ------------[ cut here ]------------
| [   25.364245][  T673] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/673
| [   25.364600][  T673] Modules linked in: netdevsim
| [   25.365186][  T673] Tainted: [W]=WARN
[   25.365368][  T673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.365601][  T673] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.365848][  T673] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.366566][  T673] RSP: 0018:ffa0000001997020 EFLAGS: 00010286
[   25.366830][  T673] RAX: 00000000ffffffa6 RBX: ff11000004ec0f40 RCX: 1ff4000000332dca
[   25.367109][  T673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0ff0
[   25.367447][  T673] RBP: ff11000009d8c000 R08: 1fe22000009d81ff R09: ff1100000c13ae80
[   25.367774][  T673] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   25.368080][  T673] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.368413][  T673] FS:  00007f617621e840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   25.368743][  T673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.369002][  T673] CR2: 000000003f1d9988 CR3: 0000000001f96002 CR4: 0000000000771ef0
[   25.369310][  T673] PKRU: 55555554
[   25.369555][  T673] Call Trace:
[   25.369710][  T673]  <TASK>
[   25.369820][  T673]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   25.370042][  T673]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.370274][  T673]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.370448][  T673]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.370658][  T673]  __dev_notify_flags (net/core/dev.c:9787)
[   25.370868][  T673]  ? netif_change_name (net/core/dev.c:1495)
[   25.371057][  T673]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.371258][  T673]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.371473][  T673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.371676][  T673]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.371887][  T673]  netif_change_flags (net/core/dev.c:9820)
[   25.372090][  T673]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.372315][  T673]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.372522][  T673]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.372792][  T673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.372994][  T673]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.373195][  T673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.373419][  T673]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.373582][  T673]  ? __kernel_text_address (kernel/extable.c:79)
[   25.373721][  T673]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.373863][  T673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.374001][  T673]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.374139][  T673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.374291][  T673]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.374436][  T673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.374573][  T673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.374717][  T673]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.374857][  T673]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.375024][  T673]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.375233][  T673]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.375455][  T673]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.375681][  T673]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.375880][  T673]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.376049][  T673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.376263][  T673]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.376488][  T673]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.376696][  T673]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.376908][  T673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.377094][  T673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.377253][  T673]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.377475][  T673]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.377684][  T673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.377896][  T673]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.378088][  T673]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.378238][  T673]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.378407][  T673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.378551][  T673]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.378693][  T673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.378846][  T673]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.378988][  T673]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.379127][  T673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.379270][  T673]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.379419][  T673]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.379556][  T673]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.379696][  T673]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.379833][  T673]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.379968][  T673]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.380111][  T673]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.380255][  T673]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.380400][  T673]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.380542][  T673]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.380679][  T673]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.380820][  T673]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.380991][  T673]  ? move_addr_to_kernel (net/socket.c:258)
[   25.381135][  T673]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.381351][  T673]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.381508][  T673]  ___sys_sendmsg (net/socket.c:2752)
[   25.381651][  T673]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.381830][  T673]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.381982][  T673]  __sys_sendmsg (net/socket.c:2784)
[   25.382122][  T673]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.382265][  T673]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.382445][  T673]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.382639][  T673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.382791][  T673]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.382929][  T673]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.383072][  T673]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.383211][  T673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.383418][  T673] RIP: 0033:0x7f617645808e
[   25.383571][  T673] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.384062][  T673] RSP: 002b:00007fff05f97370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.384283][  T673] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f617645808e
[   25.384497][  T673] RDX: 0000000000000000 RSI: 00007fff05f97420 RDI: 0000000000000005
[   25.384705][  T673] RBP: 00007fff05f97380 R08: 0000000000000000 R09: 0000000000000000
[   25.384923][  T673] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.385195][  T673] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff05f97af0
| [   25.424668][  T674] ------------[ cut here ]------------
| [   25.424892][  T674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/674
| [   25.425191][  T674] Modules linked in: netdevsim
| [   25.425777][  T674] Tainted: [W]=WARN
[   25.425938][  T674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.426263][  T674] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.426539][  T674] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.427089][  T674] RSP: 0018:ffa00000019a71b0 EFLAGS: 00010286
[   25.427338][  T674] RAX: 00000000ffffffa6 RBX: ff1100000dffeac0 RCX: 1ff4000000334dfc
[   25.427595][  T674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffeb70
[   25.427855][  T674] RBP: ff11000008c11000 R08: 1fe2200001bffd6f R09: ff1100000ddb0ba8
[   25.428113][  T674] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.428391][  T674] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.428652][  T674] FS:  00007f5dfdea0840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   25.428947][  T674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.429174][  T674] CR2: 00000000004a77b8 CR3: 000000000cdce005 CR4: 0000000000771ef0
[   25.429620][  T674] PKRU: 55555554
[   25.429885][  T674] Call Trace:
[   25.430179][  T674]  <TASK>
[   25.430535][  T674]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.431108][  T674]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.431468][  T674]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.431670][  T674]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.431826][  T674]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   25.432016][  T674]  __dev_notify_flags (net/core/dev.c:9787)
[   25.432208][  T674]  ? netif_change_name (net/core/dev.c:1495)
[   25.432419][  T674]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.432644][  T674]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.432842][  T674]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.433031][  T674]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.433229][  T674]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.433441][  T674]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.433641][  T674]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.433840][  T674]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.434034][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.434231][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.434441][  T674]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.434629][  T674]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.434816][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.435011][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.435201][  T674]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.435410][  T674]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.435603][  T674]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.435795][  T674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.435986][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.436177][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.436382][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.436573][  T674]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.436762][  T674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.436953][  T674]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.437146][  T674]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.437357][  T674]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.437549][  T674]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.437740][  T674]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.437929][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.438118][  T674]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.438318][  T674]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.438522][  T674]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.438714][  T674]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.438907][  T674]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.439095][  T674]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.439323][  T674]  ? move_addr_to_kernel (net/socket.c:258)
[   25.439528][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.439720][  T674]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.439911][  T674]  ___sys_sendmsg (net/socket.c:2752)
[   25.440101][  T674]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.440307][  T674]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.440516][  T674]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.440710][  T674]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   25.440900][  T674]  __sys_sendmsg (net/socket.c:2784)
[   25.441091][  T674]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.441311][  T674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.441572][  T674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.441841][  T674]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.442032][  T674]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.442220][  T674]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.442444][  T674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.442670][  T674] RIP: 0033:0x7f5dfe0da08e
[   25.442871][  T674] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.443439][  T674] RSP: 002b:00007ffce6091960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.443701][  T674] RAX: ffffffffffffffda RBX: 00007ffce6092110 RCX: 00007f5dfe0da08e
[   25.443958][  T674] RDX: 0000000000000000 RSI: 00007ffce6091a10 RDI: 0000000000000005
[   25.444286][  T674] RBP: 00007ffce6091970 R08: 0000000000000000 R09: 0000000000000000
[   25.444687][  T674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.445065][  T674] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce60920e0
| [   25.505518][  T675] ------------[ cut here ]------------
| [   25.505832][  T675] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/675
| [   25.506276][  T675] Modules linked in: netdevsim
| [   25.507056][  T675] Tainted: [W]=WARN
[   25.507280][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.507614][  T675] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.507948][  T675] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.508792][  T675] RSP: 0018:ffa00000019b7020 EFLAGS: 00010286
[   25.509119][  T675] RAX: 00000000ffffffa6 RBX: ff11000004b0ac40 RCX: 1ff4000000336dca
[   25.509515][  T675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0acf0
[   25.509882][  T675] RBP: ff11000008c11000 R08: 1fe220000096159f R09: ff1100000ddb2e80
[   25.510261][  T675] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   25.510759][  T675] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.511173][  T675] FS:  00007f944c51f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   25.511618][  T675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.511937][  T675] CR2: 0000000012775988 CR3: 0000000004c2d001 CR4: 0000000000771ef0
[   25.512344][  T675] PKRU: 55555554
[   25.512559][  T675] Call Trace:
[   25.512777][  T675]  <TASK>
[   25.512944][  T675]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.513217][  T675]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.513458][  T675]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.513728][  T675]  __dev_notify_flags (net/core/dev.c:9787)
[   25.513997][  T675]  ? netif_change_name (net/core/dev.c:1495)
[   25.514274][  T675]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.514555][  T675]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.514822][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.515090][  T675]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.515387][  T675]  netif_change_flags (net/core/dev.c:9820)
[   25.515656][  T675]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.515927][  T675]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.516197][  T675]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.516544][  T675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.516811][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.517077][  T675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.517367][  T675]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.517632][  T675]  ? __kernel_text_address (kernel/extable.c:79)
[   25.517896][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.518169][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.518458][  T675]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.518724][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.518989][  T675]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.519263][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.519544][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.519811][  T675]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.520075][  T675]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.520370][  T675]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.520638][  T675]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.520906][  T675]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.521175][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.521475][  T675]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.521743][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.522009][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.522282][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.522564][  T675]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.522828][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.523101][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.523393][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.523660][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.523925][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.524190][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.524476][  T675]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.524748][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.525013][  T675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.525284][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.525565][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.525828][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.526094][  T675]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.526389][  T675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.526659][  T675]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.526931][  T675]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.527200][  T675]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.527498][  T675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.527768][  T675]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.528032][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.528313][  T675]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.528596][  T675]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.528862][  T675]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.529131][  T675]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.529424][  T675]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.529689][  T675]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.530007][  T675]  ? move_addr_to_kernel (net/socket.c:258)
[   25.530288][  T675]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.530571][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.530842][  T675]  ___sys_sendmsg (net/socket.c:2752)
[   25.531104][  T675]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.531446][  T675]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.531738][  T675]  __sys_sendmsg (net/socket.c:2784)
[   25.532005][  T675]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.532276][  T675]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.532614][  T675]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.532882][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.533150][  T675]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.533438][  T675]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.533707][  T675]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.533973][  T675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.534297][  T675] RIP: 0033:0x7f944c75908e
[   25.534587][  T675] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.535408][  T675] RSP: 002b:00007ffebe548f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.535778][  T675] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f944c75908e
[   25.536148][  T675] RDX: 0000000000000000 RSI: 00007ffebe549030 RDI: 0000000000000005
[   25.536546][  T675] RBP: 00007ffebe548f90 R08: 0000000000000000 R09: 0000000000000000
[   25.536910][  T675] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf6f
[   25.537280][  T675] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebe549700
| [   26.020924][  T698] ------------[ cut here ]------------
| [   26.021117][  T698] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/698
| [   26.021389][  T698] Modules linked in: netdevsim
| [   26.021834][  T698] Tainted: [W]=WARN
[   26.021942][  T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.022123][  T698] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.022322][  T698] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.022859][  T698] RSP: 0018:ffa0000001a97010 EFLAGS: 00010286
[   26.023061][  T698] RAX: 00000000ffffffa6 RBX: ff1100000ec1a4c0 RCX: 1ff4000000352dc8
[   26.023288][  T698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a570
[   26.023519][  T698] RBP: ff11000009d8c000 R08: 1fe2200001d834af R09: ff11000004c9ae80
[   26.023727][  T698] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   26.023935][  T698] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001a97100
[   26.024146][  T698] FS:  00007f48969e5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   26.024412][  T698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.024590][  T698] CR2: 0000000030bb5988 CR3: 000000000c114004 CR4: 0000000000771ef0
[   26.024802][  T698] PKRU: 55555554
[   26.024916][  T698] Call Trace:
[   26.025030][  T698]  <TASK>
[   26.025107][  T698]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.025275][  T698]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.025406][  T698]  netif_close_many (net/core/dev.c:1804)
[   26.025558][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.025697][  T698]  ? __dev_close_many (net/core/dev.c:1781)
[   26.025838][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.025982][  T698]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.026124][  T698]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.026271][  T698]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   26.026454][  T698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.026596][  T698]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.026775][  T698]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.026922][  T698]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.027066][  T698]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.027271][  T698]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.027435][  T698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.027585][  T698]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.027732][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.027869][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.028010][  T698]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.028148][  T698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.028290][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.028460][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.028598][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.028735][  T698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.028879][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.029017][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.029161][  T698]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   26.029308][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.029461][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.029608][  T698]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.029754][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.029899][  T698]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.030041][  T698]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.030186][  T698]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.030357][  T698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.030503][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.030647][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.030784][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.030930][  T698]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.031071][  T698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.031210][  T698]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.031365][  T698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.031502][  T698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.031640][  T698]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.031777][  T698]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.031917][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.032062][  T698]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.032201][  T698]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.032358][  T698]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.032502][  T698]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.032639][  T698]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.032776][  T698]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.032952][  T698]  ? move_addr_to_kernel (net/socket.c:258)
[   26.033095][  T698]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.033240][  T698]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.033388][  T698]  ___sys_sendmsg (net/socket.c:2752)
[   26.033525][  T698]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.033699][  T698]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.033850][  T698]  __sys_sendmsg (net/socket.c:2784)
[   26.033989][  T698]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.034125][  T698]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.034306][  T698]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.034456][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.034596][  T698]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.034733][  T698]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.034872][  T698]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.035013][  T698]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.035185][  T698] RIP: 0033:0x7f4896c1f08e
[   26.035358][  T698] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.035856][  T698] RSP: 002b:00007ffeb73bff80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.036069][  T698] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4896c1f08e
[   26.036284][  T698] RDX: 0000000000000000 RSI: 00007ffeb73c0030 RDI: 0000000000000005
[   26.036501][  T698] RBP: 00007ffeb73bff90 R08: 0000000000000000 R09: 0000000000000000
[   26.036707][  T698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.036912][  T698] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb73c0700
| [   26.041150][  T698] ------------[ cut here ]------------
| [   26.041303][  T698] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/698
| [   26.041543][  T698] Modules linked in: netdevsim
| [   26.041946][  T698] Tainted: [W]=WARN
[   26.042045][  T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.042205][  T698] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.042389][  T698] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.042855][  T698] RSP: 0018:ffa0000001a97190 EFLAGS: 00010286
[   26.043029][  T698] RAX: 00000000ffffffa6 RBX: ff11000004b0a1c0 RCX: 1ff4000000352df8
[   26.043223][  T698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a270
[   26.043434][  T698] RBP: ff11000009d8c000 R08: 1fe220000096144f R09: ff11000004c9ae58
[   26.043631][  T698] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.043826][  T698] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.044024][  T698] FS:  00007f48969e5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   26.044362][  T698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.044526][  T698] CR2: 0000000030bb5988 CR3: 000000000c114004 CR4: 0000000000771ef0
[   26.044736][  T698] PKRU: 55555554
[   26.044919][  T698] Call Trace:
[   26.045018][  T698]  <TASK>
[   26.045087][  T698]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.045270][  T698]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.045518][  T698]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.045659][  T698]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.045793][  T698]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.045956][  T698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.046173][  T698]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.046309][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.046445][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.046576][  T698]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.046788][  T698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.046919][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.047072][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.047202][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.047425][  T698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.047553][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.047685][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.047821][  T698]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   26.048037][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.048168][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.048301][  T698]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.048509][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.048646][  T698]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.048776][  T698]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.048907][  T698]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.049119][  T698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.049255][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.049451][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.049581][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.049711][  T698]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.049839][  T698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.050051][  T698]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.050187][  T698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.050390][  T698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.050529][  T698]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.050728][  T698]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.050859][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.050991][  T698]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.051120][  T698]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.051255][  T698]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.051559][  T698]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.051693][  T698]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.051825][  T698]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.051984][  T698]  ? move_addr_to_kernel (net/socket.c:258)
[   26.052113][  T698]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.052250][  T698]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.052647][  T698]  ___sys_sendmsg (net/socket.c:2752)
[   26.052781][  T698]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.053032][  T698]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.053177][  T698]  __sys_sendmsg (net/socket.c:2784)
[   26.053313][  T698]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.053516][  T698]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.053678][  T698]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.053806][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.054020][  T698]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.054152][  T698]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.054291][  T698]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.054514][  T698]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.054676][  T698] RIP: 0033:0x7f4896c1f08e
[   26.054818][  T698] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.055443][  T698] RSP: 002b:00007ffeb73bff80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.055639][  T698] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4896c1f08e
[   26.055835][  T698] RDX: 0000000000000000 RSI: 00007ffeb73c0030 RDI: 0000000000000005
[   26.056113][  T698] RBP: 00007ffeb73bff90 R08: 0000000000000000 R09: 0000000000000000
[   26.057841][  T698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.058039][  T698] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb73c0700
| [   26.132842][  T699] ------------[ cut here ]------------
| [   26.133062][  T699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/699
| [   26.133375][  T699] Modules linked in: netdevsim
| [   26.133898][  T699] Tainted: [W]=WARN
[   26.134068][  T699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.134301][  T699] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.134543][  T699] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.135069][  T699] RSP: 0018:ffa0000001a97010 EFLAGS: 00010286
[   26.135302][  T699] RAX: 00000000ffffffa6 RBX: ff11000004b0aac0 RCX: 1ff4000000352dc8
[   26.135565][  T699] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0ab70
[   26.135818][  T699] RBP: ff11000008c11000 R08: 1fe220000096156f R09: ff1100000ae6ae80
[   26.136072][  T699] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   26.136348][  T699] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001a97100
[   26.136603][  T699] FS:  00007f5ba2c64840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   26.136894][  T699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.137116][  T699] CR2: 000000001f50b988 CR3: 000000000ccbf001 CR4: 0000000000771ef0
[   26.137388][  T699] PKRU: 55555554
[   26.137539][  T699] Call Trace:
[   26.137694][  T699]  <TASK>
[   26.137813][  T699]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.138006][  T699]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.138165][  T699]  netif_close_many (net/core/dev.c:1804)
[   26.138384][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.138574][  T699]  ? __dev_close_many (net/core/dev.c:1781)
[   26.138761][  T699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.138950][  T699]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.139141][  T699]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.139351][  T699]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   26.139580][  T699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.139768][  T699]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.139988][  T699]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.140172][  T699]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.140378][  T699]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.140599][  T699]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.140784][  T699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.140974][  T699]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.141162][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.141365][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.141552][  T699]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.141737][  T699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.141922][  T699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.142127][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.142318][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.142524][  T699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.142709][  T699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.142896][  T699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.143079][  T699]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   26.143274][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.143471][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.143655][  T699]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.143860][  T699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.144064][  T699]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.144260][  T699]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.144460][  T699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.144646][  T699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.144830][  T699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.145034][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.145215][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.145449][  T699]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.145633][  T699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.145819][  T699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.146008][  T699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.146191][  T699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.146395][  T699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.146580][  T699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.146772][  T699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.146959][  T699]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.147146][  T699]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.147357][  T699]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.147544][  T699]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.147746][  T699]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.147929][  T699]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.148143][  T699]  ? move_addr_to_kernel (net/socket.c:258)
[   26.148354][  T699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.148539][  T699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.148725][  T699]  ___sys_sendmsg (net/socket.c:2752)
[   26.148924][  T699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.149144][  T699]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.149369][  T699]  __sys_sendmsg (net/socket.c:2784)
[   26.149555][  T699]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.149740][  T699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.149963][  T699]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.150165][  T699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.150383][  T699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.150568][  T699]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.150751][  T699]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.150938][  T699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.151170][  T699] RIP: 0033:0x7f5ba2e9e08e
[   26.151390][  T699] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.151931][  T699] RSP: 002b:00007ffcd06c7d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.152183][  T699] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5ba2e9e08e
[   26.152458][  T699] RDX: 0000000000000000 RSI: 00007ffcd06c7e20 RDI: 0000000000000005
[   26.152707][  T699] RBP: 00007ffcd06c7d80 R08: 0000000000000000 R09: 0000000000000000
[   26.152956][  T699] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.153224][  T699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd06c84f0
| [   26.156938][  T699] ------------[ cut here ]------------
| [   26.157131][  T699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/699
| [   26.157550][  T699] Modules linked in: netdevsim
| [   26.158172][  T699] Tainted: [W]=WARN
[   26.158395][  T699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.158669][  T699] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.158942][  T699] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.159574][  T699] RSP: 0018:ffa0000001a97190 EFLAGS: 00010286
[   26.159853][  T699] RAX: 00000000ffffffa6 RBX: ff1100000dfff540 RCX: 1ff4000000352df8
[   26.160178][  T699] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff5f0
[   26.160501][  T699] RBP: ff11000008c11000 R08: 1fe2200001bffebf R09: ff1100000ae6ae58
[   26.160838][  T699] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.161111][  T699] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.162154][  T699] FS:  00007f5ba2c64840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   26.162472][  T699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.162681][  T699] CR2: 000000001f50b988 CR3: 000000000ccbf001 CR4: 0000000000771ef0
[   26.162937][  T699] PKRU: 55555554
[   26.163083][  T699] Call Trace:
[   26.163235][  T699]  <TASK>
[   26.163366][  T699]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.163581][  T699]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.163792][  T699]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.163970][  T699]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.164145][  T699]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.164377][  T699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.164557][  T699]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.164734][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.164909][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.165091][  T699]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.165274][  T699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.165461][  T699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.165657][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.165830][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.166007][  T699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.166181][  T699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.166380][  T699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.166571][  T699]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   26.166749][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.166926][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.167107][  T699]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.167293][  T699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.167481][  T699]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.167656][  T699]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.167840][  T699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.168017][  T699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.168197][  T699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.168403][  T699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.168580][  T699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.168760][  T699]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.168938][  T699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.169120][  T699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.169310][  T699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.169503][  T699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.169680][  T699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.169859][  T699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.170038][  T699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.170216][  T699]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.170415][  T699]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.170598][  T699]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.170781][  T699]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.170961][  T699]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.171141][  T699]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.171396][  T699]  ? move_addr_to_kernel (net/socket.c:258)
[   26.171665][  T699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.171847][  T699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.172033][  T699]  ___sys_sendmsg (net/socket.c:2752)
[   26.172211][  T699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.172525][  T699]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.172715][  T699]  __sys_sendmsg (net/socket.c:2784)
[   26.172894][  T699]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.173069][  T699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.173383][  T699]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.173564][  T699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.173742][  T699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.173920][  T699]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.174183][  T699]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.174381][  T699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.174594][  T699] RIP: 0033:0x7f5ba2e9e08e
[   26.174869][  T699] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.175399][  T699] RSP: 002b:00007ffcd06c7d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.175725][  T699] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5ba2e9e08e
[   26.175964][  T699] RDX: 0000000000000000 RSI: 00007ffcd06c7e20 RDI: 0000000000000005
[   26.176298][  T699] RBP: 00007ffcd06c7d80 R08: 0000000000000000 R09: 0000000000000000
[   26.176562][  T699] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.176801][  T699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd06c84f0
| [   26.295158][  T709] ------------[ cut here ]------------
| [   26.295450][  T709] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/709
| [   26.295757][  T709] Modules linked in: netdevsim
| [   26.296385][  T709] Tainted: [W]=WARN
[   26.296560][  T709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.296787][  T709] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.297023][  T709] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.297603][  T709] RSP: 0018:ffa0000001b071b0 EFLAGS: 00010286
[   26.297829][  T709] RAX: 00000000ffffffa6 RBX: ff11000004e1cc40 RCX: 1ff4000000360dfc
[   26.298087][  T709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1ccf0
[   26.298445][  T709] RBP: ff11000009721000 R08: 1fe22000009c399f R09: ff1100000c048ba8
[   26.298802][  T709] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.299139][  T709] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.299578][  T709] FS:  00007f9454a02840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   26.299987][  T709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.300281][  T709] CR2: 00000000004a77b8 CR3: 000000000ecff005 CR4: 0000000000771ef0
[   26.300608][  T709] PKRU: 55555554
[   26.300784][  T709] Call Trace:
[   26.300941][  T709]  <TASK>
[   26.301067][  T709]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.301273][  T709]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.301484][  T709]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.301678][  T709]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.301839][  T709]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   26.302033][  T709]  __dev_notify_flags (net/core/dev.c:9787)
[   26.302234][  T709]  ? netif_change_name (net/core/dev.c:1495)
[   26.302450][  T709]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.302678][  T709]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   26.302913][  T709]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   26.303106][  T709]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   26.303303][  T709]  ? __dev_get_by_name (net/core/dev.c:883)
[   26.303507][  T709]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   26.303705][  T709]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   26.303900][  T709]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.304108][  T709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.304382][  T709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.304625][  T709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.304816][  T709]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.305005][  T709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.305201][  T709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.305419][  T709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.305611][  T709]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.305820][  T709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.306012][  T709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.306201][  T709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.306414][  T709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.306604][  T709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.306798][  T709]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.306989][  T709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.307182][  T709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.307400][  T709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.307598][  T709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.307791][  T709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.307983][  T709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.308174][  T709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.308385][  T709]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.308577][  T709]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.308791][  T709]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.308984][  T709]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.309211][  T709]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.309430][  T709]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.309655][  T709]  ? move_addr_to_kernel (net/socket.c:258)
[   26.309848][  T709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.310041][  T709]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   26.310244][  T709]  ___sys_sendmsg (net/socket.c:2752)
[   26.310449][  T709]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   26.310646][  T709]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.310844][  T709]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   26.311039][  T709]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   26.311242][  T709]  __sys_sendmsg (net/socket.c:2784)
[   26.311450][  T709]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.311645][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.311839][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.312034][  T709]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.312235][  T709]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.312449][  T709]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.312646][  T709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.312873][  T709] RIP: 0033:0x7f9454c3c08e
[   26.313069][  T709] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.313644][  T709] RSP: 002b:00007ffd4a1b80b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.313905][  T709] RAX: ffffffffffffffda RBX: 00007ffd4a1b8860 RCX: 00007f9454c3c08e
[   26.314159][  T709] RDX: 0000000000000000 RSI: 00007ffd4a1b8160 RDI: 0000000000000005
[   26.314478][  T709] RBP: 00007ffd4a1b80c0 R08: 0000000000000000 R09: 0000000000000000
[   26.314744][  T709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.315079][  T709] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4a1b8830
| [   26.346396][  T710] ------------[ cut here ]------------
| [   26.346578][  T710] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/710
| [   26.346829][  T710] Modules linked in: netdevsim
| [   26.347287][  T710] Tainted: [W]=WARN
[   26.347400][  T710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.347576][  T710] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.347760][  T710] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.348254][  T710] RSP: 0018:ffa0000001b17020 EFLAGS: 00010286
[   26.348437][  T710] RAX: 00000000ffffffa6 RBX: ff11000004e1db40 RCX: 1ff4000000362dca
[   26.348647][  T710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1dbf0
[   26.348858][  T710] RBP: ff11000009721000 R08: 1fe22000009c3b7f R09: ff11000004d90b80
[   26.349065][  T710] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   26.349276][  T710] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.349489][  T710] FS:  00007f45e0868840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   26.349731][  T710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.349904][  T710] CR2: 000000000d357988 CR3: 000000000ef4d004 CR4: 0000000000771ef0
[   26.350112][  T710] PKRU: 55555554
[   26.350216][  T710] Call Trace:
[   26.350332][  T710]  <TASK>
[   26.350406][  T710]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.350549][  T710]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.350655][  T710]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.350795][  T710]  __dev_notify_flags (net/core/dev.c:9787)
[   26.350936][  T710]  ? netif_change_name (net/core/dev.c:1495)
[   26.351074][  T710]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.351212][  T710]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.351361][  T710]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.351499][  T710]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   26.351639][  T710]  netif_change_flags (net/core/dev.c:9820)
[   26.351777][  T710]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.351917][  T710]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.352055][  T710]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.352232][  T710]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.352473][  T710]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.352613][  T710]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.352748][  T710]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.352886][  T710]  ? __kernel_text_address (kernel/extable.c:79)
[   26.353026][  T710]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.353169][  T710]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.353317][  T710]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.353549][  T710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.353687][  T710]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.353826][  T710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.353965][  T710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.354103][  T710]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.354248][  T710]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.354497][  T710]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.354639][  T710]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.354794][  T710]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.354940][  T710]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.355083][  T710]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.355223][  T710]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.355470][  T710]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.355611][  T710]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.355746][  T710]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.355887][  T710]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.356029][  T710]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.356164][  T710]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.356309][  T710]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.356487][  T710]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.356627][  T710]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.356767][  T710]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.356915][  T710]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.357088][  T710]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.357244][  T710]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.357402][  T710]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.357549][  T710]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.357694][  T710]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.357847][  T710]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.357986][  T710]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.358131][  T710]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.358275][  T710]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.358427][  T710]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.358567][  T710]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.358709][  T710]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.358857][  T710]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.359003][  T710]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.359148][  T710]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.359302][  T710]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.359450][  T710]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.359595][  T710]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.359778][  T710]  ? move_addr_to_kernel (net/socket.c:258)
[   26.359925][  T710]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.360070][  T710]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.360215][  T710]  ___sys_sendmsg (net/socket.c:2752)
[   26.360367][  T710]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.360544][  T710]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.360694][  T710]  __sys_sendmsg (net/socket.c:2784)
[   26.360833][  T710]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.360970][  T710]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.361144][  T710]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.361289][  T710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.361450][  T710]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.361592][  T710]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.361736][  T710]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.361878][  T710]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.362053][  T710] RIP: 0033:0x7f45e0aa208e
[   26.362201][  T710] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.362712][  T710] RSP: 002b:00007ffc0585e540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.362922][  T710] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f45e0aa208e
[   26.363131][  T710] RDX: 0000000000000000 RSI: 00007ffc0585e5f0 RDI: 0000000000000005
[   26.363346][  T710] RBP: 00007ffc0585e550 R08: 0000000000000000 R09: 0000000000000000
[   26.363563][  T710] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.363778][  T710] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0585ecc0
| [   26.467301][  T712] ------------[ cut here ]------------
| [   26.467495][  T712] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/712
| [   26.467747][  T712] Modules linked in: netdevsim
| [   26.468190][  T712] Tainted: [W]=WARN
[   26.468300][  T712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.468480][  T712] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.468664][  T712] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.469175][  T712] RSP: 0018:ffa0000001b171b0 EFLAGS: 00010286
[   26.469404][  T712] RAX: 00000000ffffffa6 RBX: ff11000004ec1cc0 RCX: 1ff4000000362dfc
[   26.469617][  T712] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1d70
[   26.469828][  T712] RBP: ff11000009c4c000 R08: 1fe22000009d83af R09: ff11000004c9d1a8
[   26.470041][  T712] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.470268][  T712] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.470489][  T712] FS:  00007f4abd0f4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   26.470746][  T712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.470928][  T712] CR2: 00000000004a77b8 CR3: 000000000ef35006 CR4: 0000000000771ef0
[   26.471142][  T712] PKRU: 55555554
[   26.471256][  T712] Call Trace:
[   26.471369][  T712]  <TASK>
[   26.471442][  T712]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.471586][  T712]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.471728][  T712]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.471871][  T712]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.471980][  T712]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   26.472131][  T712]  __dev_notify_flags (net/core/dev.c:9787)
[   26.472280][  T712]  ? netif_change_name (net/core/dev.c:1495)
[   26.472524][  T712]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.472701][  T712]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   26.472846][  T712]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   26.472988][  T712]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   26.473128][  T712]  ? __dev_get_by_name (net/core/dev.c:883)
[   26.473273][  T712]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   26.473508][  T712]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   26.473654][  T712]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.473796][  T712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.473936][  T712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.474078][  T712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.474220][  T712]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.474427][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.474575][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.474718][  T712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.474859][  T712]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.475001][  T712]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.475144][  T712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.475290][  T712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.475517][  T712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.475658][  T712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.475801][  T712]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.475945][  T712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.476088][  T712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.476239][  T712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.476475][  T712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.476620][  T712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.476769][  T712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.476913][  T712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.477056][  T712]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.477196][  T712]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.477423][  T712]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.477566][  T712]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.477712][  T712]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.477854][  T712]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.478036][  T712]  ? move_addr_to_kernel (net/socket.c:258)
[   26.478179][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.478371][  T712]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   26.478513][  T712]  ___sys_sendmsg (net/socket.c:2752)
[   26.478652][  T712]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   26.478792][  T712]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.478935][  T712]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   26.479078][  T712]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   26.479219][  T712]  __sys_sendmsg (net/socket.c:2784)
[   26.479386][  T712]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.479535][  T712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.479687][  T712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.479839][  T712]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.479994][  T712]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.480139][  T712]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.480287][  T712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.480470][  T712] RIP: 0033:0x7f4abd32e08e
[   26.480620][  T712] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.481139][  T712] RSP: 002b:00007ffec4df8450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.481365][  T712] RAX: ffffffffffffffda RBX: 00007ffec4df8c00 RCX: 00007f4abd32e08e
[   26.481585][  T712] RDX: 0000000000000000 RSI: 00007ffec4df8500 RDI: 0000000000000005
[   26.481797][  T712] RBP: 00007ffec4df8460 R08: 0000000000000000 R09: 0000000000000000
[   26.482017][  T712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.482235][  T712] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec4df8bd0
| [   26.524059][  T713] ------------[ cut here ]------------
| [   26.524244][  T713] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/713
| [   26.524499][  T713] Modules linked in: netdevsim
| [   26.524945][  T713] Tainted: [W]=WARN
[   26.525052][  T713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.525224][  T713] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.525413][  T713] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.525903][  T713] RSP: 0018:ffa0000001a17020 EFLAGS: 00010286
[   26.526088][  T713] RAX: 00000000ffffffa6 RBX: ff1100000584eac0 RCX: 1ff4000000342dca
[   26.526307][  T713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000584eb70
[   26.526524][  T713] RBP: ff11000009c4c000 R08: 1fe2200000b09d6f R09: ff11000004f2ae80
[   26.526737][  T713] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   26.526956][  T713] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.527163][  T713] FS:  00007f6e7f280840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   26.527510][  T713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.527690][  T713] CR2: 00007f6e7f5501a0 CR3: 000000000c64f001 CR4: 0000000000771ef0
[   26.527897][  T713] PKRU: 55555554
[   26.528006][  T713] Call Trace:
[   26.528109][  T713]  <TASK>
[   26.528182][  T713]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   26.528452][  T713]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.528592][  T713]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.528703][  T713]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.528849][  T713]  __dev_notify_flags (net/core/dev.c:9787)
[   26.528989][  T713]  ? netif_change_name (net/core/dev.c:1495)
[   26.529129][  T713]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.529274][  T713]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.529474][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.529612][  T713]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   26.529751][  T713]  netif_change_flags (net/core/dev.c:9820)
[   26.529889][  T713]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.530033][  T713]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.530173][  T713]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.530408][  T713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.530546][  T713]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.530684][  T713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.530821][  T713]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.530960][  T713]  ? __kernel_text_address (kernel/extable.c:79)
[   26.531103][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.531248][  T713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.531446][  T713]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.531583][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.531718][  T713]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.531854][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.531989][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.532124][  T713]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.532272][  T713]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.532473][  T713]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.532611][  T713]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.532750][  T713]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.532891][  T713]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.533031][  T713]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.533168][  T713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.533309][  T713]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.533510][  T713]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.533646][  T713]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.533782][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.533923][  T713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.534060][  T713]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.534194][  T713]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.534399][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.534541][  T713]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.534676][  T713]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.534814][  T713]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.534951][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.535089][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.535231][  T713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.535430][  T713]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.535572][  T713]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.535711][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.535849][  T713]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.535989][  T713]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.536127][  T713]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.536270][  T713]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.536470][  T713]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.536608][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.536748][  T713]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.536892][  T713]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.537032][  T713]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.537177][  T713]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.537324][  T713]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.537527][  T713]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.537698][  T713]  ? move_addr_to_kernel (net/socket.c:258)
[   26.537837][  T713]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.537978][  T713]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.538118][  T713]  ___sys_sendmsg (net/socket.c:2752)
[   26.538262][  T713]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.538590][  T713]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.538743][  T713]  __sys_sendmsg (net/socket.c:2784)
[   26.538880][  T713]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.539017][  T713]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.539193][  T713]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.539403][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.539542][  T713]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.539680][  T713]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.539819][  T713]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.539958][  T713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.540130][  T713] RIP: 0033:0x7f6e7f4ba08e
[   26.540395][  T713] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.540895][  T713] RSP: 002b:00007ffd5859e2a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.541107][  T713] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e7f4ba08e
[   26.541322][  T713] RDX: 0000000000000000 RSI: 00007ffd5859e350 RDI: 0000000000000005
[   26.541592][  T713] RBP: 00007ffd5859e2b0 R08: 0000000000000000 R09: 0000000000000000
[   26.541799][  T713] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf70
[   26.542006][  T713] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5859ea20
| [   26.987449][  T736] ------------[ cut here ]------------
| [   26.987707][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/736
| [   26.988061][  T736] Modules linked in: netdevsim
| [   26.989323][  T736] Tainted: [W]=WARN
[   26.989490][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.989739][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.990013][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.990726][  T736] RSP: 0018:ffa0000001bd7010 EFLAGS: 00010286
[   26.990987][  T736] RAX: 00000000ffffffa6 RBX: ff110000094a4040 RCX: 1ff400000037adc8
[   26.991303][  T736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a40f0
[   26.991623][  T736] RBP: ff11000009721000 R08: 1fe220000129481f R09: ff1100000ae68b80
[   26.991923][  T736] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   26.992217][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001bd7100
[   26.992522][  T736] FS:  00007f25fef59840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   26.992870][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.993131][  T736] CR2: 000000000e121988 CR3: 000000000dd2d003 CR4: 0000000000771ef0
[   26.993454][  T736] PKRU: 55555554
[   26.993602][  T736] Call Trace:
[   26.993750][  T736]  <TASK>
[   26.993854][  T736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.994056][  T736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.994216][  T736]  netif_close_many (net/core/dev.c:1804)
[   26.994432][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.994632][  T736]  ? __dev_close_many (net/core/dev.c:1781)
[   26.994827][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.995030][  T736]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.995238][  T736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.995448][  T736]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   26.995709][  T736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.995912][  T736]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.996159][  T736]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.996372][  T736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.996573][  T736]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.996824][  T736]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.997019][  T736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.997213][  T736]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.997418][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.997619][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.997817][  T736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.998013][  T736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.998205][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.998456][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.998658][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.998863][  T736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.999070][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.999277][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.999500][  T736]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   26.999722][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.999931][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.000125][  T736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.000325][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.000530][  T736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.000720][  T736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.000916][  T736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.001121][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.001323][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.001531][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.001729][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.001935][  T736]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.002130][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.002348][  T736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.002549][  T736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.002744][  T736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.002943][  T736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.003146][  T736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.003353][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.003549][  T736]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.003744][  T736]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.003949][  T736]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.004152][  T736]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.004362][  T736]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.004572][  T736]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.004828][  T736]  ? move_addr_to_kernel (net/socket.c:258)
[   27.005038][  T736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.005248][  T736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.005467][  T736]  ___sys_sendmsg (net/socket.c:2752)
[   27.005679][  T736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.005939][  T736]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.006173][  T736]  __sys_sendmsg (net/socket.c:2784)
[   27.006383][  T736]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.006575][  T736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.006821][  T736]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.007021][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.007247][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.007472][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.007687][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.007903][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.008169][  T736] RIP: 0033:0x7f25ff19308e
[   27.008408][  T736] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.009172][  T736] RSP: 002b:00007ffc371620f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.009511][  T736] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f25ff19308e
[   27.009832][  T736] RDX: 0000000000000000 RSI: 00007ffc371621a0 RDI: 0000000000000005
[   27.010157][  T736] RBP: 00007ffc37162100 R08: 0000000000000000 R09: 0000000000000000
[   27.010491][  T736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.010814][  T736] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc37162870
| [   27.017569][  T736] ------------[ cut here ]------------
| [   27.017789][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/736
| [   27.018139][  T736] Modules linked in: netdevsim
| [   27.018886][  T736] Tainted: [W]=WARN
[   27.019218][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.019593][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.019864][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.020690][  T736] RSP: 0018:ffa0000001bd7190 EFLAGS: 00010286
[   27.020942][  T736] RAX: 00000000ffffffa6 RBX: ff11000004f93840 RCX: 1ff400000037adf8
[   27.021243][  T736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f938f0
[   27.021634][  T736] RBP: ff11000009721000 R08: 1fe22000009f271f R09: ff1100000ae68b58
[   27.021933][  T736] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.022234][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.022633][  T736] FS:  00007f25fef59840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   27.022987][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.023245][  T736] CR2: 000000000e121988 CR3: 000000000dd2d003 CR4: 0000000000771ef0
[   27.023651][  T736] PKRU: 55555554
[   27.023800][  T736] Call Trace:
[   27.023949][  T736]  <TASK>
[   27.024055][  T736]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.024319][  T736]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.024655][  T736]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.024851][  T736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.025045][  T736]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.025309][  T736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.025608][  T736]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.025806][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.026003][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.026203][  T736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.026505][  T736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.026703][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.026938][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.027139][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.027439][  T736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.027637][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.027836][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.028035][  T736]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   27.028244][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.028535][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.028737][  T736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.028935][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.029136][  T736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.029434][  T736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.029634][  T736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.029835][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.030033][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.030238][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.030536][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.030740][  T736]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.030939][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.031141][  T736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.031443][  T736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.031645][  T736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.031848][  T736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.032054][  T736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.032258][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.032554][  T736]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.032756][  T736]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.032957][  T736]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.033165][  T736]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.033469][  T736]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.033668][  T736]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.033916][  T736]  ? move_addr_to_kernel (net/socket.c:258)
[   27.034119][  T736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.034415][  T736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.034619][  T736]  ___sys_sendmsg (net/socket.c:2752)
[   27.034814][  T736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.035065][  T736]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.035295][  T736]  __sys_sendmsg (net/socket.c:2784)
[   27.035593][  T736]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.035792][  T736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.036047][  T736]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.036250][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.036548][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.036746][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.036946][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.037152][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.037499][  T736] RIP: 0033:0x7f25ff19308e
[   27.037714][  T736] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.038527][  T736] RSP: 002b:00007ffc371620f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.038832][  T736] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f25ff19308e
[   27.039137][  T736] RDX: 0000000000000000 RSI: 00007ffc371621a0 RDI: 0000000000000005
[   27.039535][  T736] RBP: 00007ffc37162100 R08: 0000000000000000 R09: 0000000000000000
[   27.039833][  T736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.040135][  T736] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc37162870
| [   27.123620][  T737] ------------[ cut here ]------------
| [   27.123861][  T737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/737
| [   27.124214][  T737] Modules linked in: netdevsim
| [   27.125376][  T737] Tainted: [W]=WARN
[   27.125529][  T737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.125788][  T737] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.126060][  T737] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.126793][  T737] RSP: 0018:ffa0000001be7010 EFLAGS: 00010286
[   27.127047][  T737] RAX: 00000000ffffffa6 RBX: ff11000004b0af40 RCX: 1ff400000037cdc8
[   27.127360][  T737] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0aff0
[   27.127662][  T737] RBP: ff11000009c4c000 R08: 1fe22000009615ff R09: ff1100000c2e5180
[   27.127967][  T737] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   27.128270][  T737] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001be7100
[   27.128576][  T737] FS:  00007f91f317e840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   27.128934][  T737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.129174][  T737] CR2: 00000000144cf988 CR3: 000000000eecf004 CR4: 0000000000771ef0
[   27.129469][  T737] PKRU: 55555554
[   27.129612][  T737] Call Trace:
[   27.129756][  T737]  <TASK>
[   27.129856][  T737]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.130056][  T737]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.130200][  T737]  netif_close_many (net/core/dev.c:1804)
[   27.130398][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.130593][  T737]  ? __dev_close_many (net/core/dev.c:1781)
[   27.130792][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.130993][  T737]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.131193][  T737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.131406][  T737]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   27.131660][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.131860][  T737]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.132105][  T737]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.132309][  T737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.132515][  T737]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.132764][  T737]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.132964][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.133177][  T737]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.133389][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.133585][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.133777][  T737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.133964][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.134150][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.134380][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.134575][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.134778][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.134978][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.135180][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.135394][  T737]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   27.135598][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.135798][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.136007][  T737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.136209][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.136427][  T737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.136633][  T737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.136840][  T737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.137050][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.137259][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.137475][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.137684][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.137891][  T737]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.138093][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.138300][  T737]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.138513][  T737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.138714][  T737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.138921][  T737]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.139124][  T737]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.139340][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.139544][  T737]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.139748][  T737]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.139957][  T737]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.140164][  T737]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.140383][  T737]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.140589][  T737]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.140839][  T737]  ? move_addr_to_kernel (net/socket.c:258)
[   27.141044][  T737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.141255][  T737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.141470][  T737]  ___sys_sendmsg (net/socket.c:2752)
[   27.141669][  T737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.141923][  T737]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.142150][  T737]  __sys_sendmsg (net/socket.c:2784)
[   27.142386][  T737]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.142593][  T737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.142850][  T737]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.143053][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.143266][  T737]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.143475][  T737]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.143689][  T737]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.143890][  T737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.144137][  T737] RIP: 0033:0x7f91f33b808e
[   27.144360][  T737] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.145057][  T737] RSP: 002b:00007ffc540921a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.145369][  T737] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f91f33b808e
[   27.145664][  T737] RDX: 0000000000000000 RSI: 00007ffc54092250 RDI: 0000000000000005
[   27.145959][  T737] RBP: 00007ffc540921b0 R08: 0000000000000000 R09: 0000000000000000
[   27.146263][  T737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.146575][  T737] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc54092920
| [   27.151959][  T737] ------------[ cut here ]------------
| [   27.152186][  T737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/737
| [   27.152563][  T737] Modules linked in: netdevsim
| [   27.153185][  T737] Tainted: [W]=WARN
[   27.153363][  T737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.153615][  T737] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.153886][  T737] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.154621][  T737] RSP: 0018:ffa0000001be7190 EFLAGS: 00010286
[   27.154879][  T737] RAX: 00000000ffffffa6 RBX: ff1100000dffedc0 RCX: 1ff400000037cdf8
[   27.155182][  T737] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffee70
[   27.155501][  T737] RBP: ff11000009c4c000 R08: 1fe2200001bffdcf R09: ff1100000c2e5158
[   27.155798][  T737] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   27.156096][  T737] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.156417][  T737] FS:  00007f91f317e840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   27.156772][  T737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.157028][  T737] CR2: 00007f25ff026574 CR3: 000000000eecf002 CR4: 0000000000771ef0
[   27.157343][  T737] PKRU: 55555554
[   27.157494][  T737] Call Trace:
[   27.157643][  T737]  <TASK>
[   27.157748][  T737]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.158008][  T737]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.158265][  T737]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.158480][  T737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.158678][  T737]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.158931][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.159136][  T737]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.159351][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.159552][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.159750][  T737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.159953][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.160154][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.160408][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.160607][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.160809][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.161012][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.161215][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.161435][  T737]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   27.161641][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.161840][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.162038][  T737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.162243][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.162458][  T737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.162651][  T737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.162856][  T737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.163059][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.163266][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.163478][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.163675][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.163882][  T737]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.164082][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.164293][  T737]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.164508][  T737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.164706][  T737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.164905][  T737]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.165110][  T737]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.165315][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.165525][  T737]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.165728][  T737]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.165932][  T737]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.166142][  T737]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.166353][  T737]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.166553][  T737]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.166801][  T737]  ? move_addr_to_kernel (net/socket.c:258)
[   27.167004][  T737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.167209][  T737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.167427][  T737]  ___sys_sendmsg (net/socket.c:2752)
[   27.167626][  T737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.167878][  T737]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.168103][  T737]  __sys_sendmsg (net/socket.c:2784)
[   27.168310][  T737]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.168517][  T737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.168774][  T737]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.168977][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.169174][  T737]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.169389][  T737]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.169587][  T737]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.169788][  T737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.170034][  T737] RIP: 0033:0x7f91f33b808e
[   27.170254][  T737] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.170969][  T737] RSP: 002b:00007ffc540921a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.171276][  T737] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f91f33b808e
[   27.171583][  T737] RDX: 0000000000000000 RSI: 00007ffc54092250 RDI: 0000000000000005
[   27.171883][  T737] RBP: 00007ffc540921b0 R08: 0000000000000000 R09: 0000000000000000
[   27.172180][  T737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.172494][  T737] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc54092920
| [   27.287808][  T747] ------------[ cut here ]------------
| [   27.288003][  T747] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/747
| [   27.288262][  T747] Modules linked in: netdevsim
| [   27.288702][  T747] Tainted: [W]=WARN
[   27.288817][  T747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.288997][  T747] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.289190][  T747] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.289721][  T747] RSP: 0018:ffa0000001c671b0 EFLAGS: 00010286
[   27.289899][  T747] RAX: 00000000ffffffa6 RBX: ff1100000ee90f40 RCX: 1ff400000038cdfc
[   27.290112][  T747] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ee90ff0
[   27.290343][  T747] RBP: ff11000009d84000 R08: 1fe2200001dd21ff R09: ff1100000c272ea8
[   27.290614][  T747] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.290923][  T747] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.291246][  T747] FS:  00007f95c49b8840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   27.291550][  T747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.291726][  T747] CR2: 00000000004a77b8 CR3: 000000000c63f005 CR4: 0000000000771ef0
[   27.291940][  T747] PKRU: 55555554
[   27.292046][  T747] Call Trace:
[   27.292153][  T747]  <TASK>
[   27.292226][  T747]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.292396][  T747]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.292543][  T747]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.292685][  T747]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.292791][  T747]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   27.292935][  T747]  __dev_notify_flags (net/core/dev.c:9787)
[   27.293081][  T747]  ? netif_change_name (net/core/dev.c:1495)
[   27.293223][  T747]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.293408][  T747]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   27.293551][  T747]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   27.293695][  T747]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   27.293835][  T747]  ? __dev_get_by_name (net/core/dev.c:883)
[   27.293980][  T747]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   27.294133][  T747]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   27.294284][  T747]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.294435][  T747]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.294575][  T747]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.294719][  T747]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.294859][  T747]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.295003][  T747]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.295145][  T747]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.295291][  T747]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.295435][  T747]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.295574][  T747]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.295715][  T747]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.295856][  T747]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.296004][  T747]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.296148][  T747]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.296295][  T747]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.296447][  T747]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.296590][  T747]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.296734][  T747]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.296898][  T747]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.297107][  T747]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.297281][  T747]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.297432][  T747]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.297579][  T747]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.297731][  T747]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.297878][  T747]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.298021][  T747]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.298164][  T747]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.298310][  T747]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.298489][  T747]  ? move_addr_to_kernel (net/socket.c:258)
[   27.298631][  T747]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.298782][  T747]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   27.298923][  T747]  ___sys_sendmsg (net/socket.c:2752)
[   27.299062][  T747]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   27.299202][  T747]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.299368][  T747]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   27.299515][  T747]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   27.299669][  T747]  __sys_sendmsg (net/socket.c:2784)
[   27.299809][  T747]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.299952][  T747]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.300094][  T747]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.300242][  T747]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.300390][  T747]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.300530][  T747]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.300670][  T747]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.300843][  T747] RIP: 0033:0x7f95c4bf208e
[   27.300999][  T747] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.301578][  T747] RSP: 002b:00007ffc65961730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.301790][  T747] RAX: ffffffffffffffda RBX: 00007ffc65961ee0 RCX: 00007f95c4bf208e
[   27.302061][  T747] RDX: 0000000000000000 RSI: 00007ffc659617e0 RDI: 0000000000000005
[   27.302288][  T747] RBP: 00007ffc65961740 R08: 0000000000000000 R09: 0000000000000000
[   27.302505][  T747] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.302716][  T747] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc65961eb0
| [   27.339701][  T748] ------------[ cut here ]------------
| [   27.339872][  T748] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/748
| [   27.340115][  T748] Modules linked in: netdevsim
| [   27.340584][  T748] Tainted: [W]=WARN
[   27.340689][  T748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.340861][  T748] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.341043][  T748] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.341546][  T748] RSP: 0018:ffa0000001c77020 EFLAGS: 00010286
[   27.341725][  T748] RAX: 00000000ffffffa6 RBX: ff1100000ee91840 RCX: 1ff400000038edca
[   27.341931][  T748] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ee918f0
[   27.342135][  T748] RBP: ff11000009d84000 R08: 1fe2200001dd231f R09: ff1100000c275180
[   27.342360][  T748] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   27.342563][  T748] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.342766][  T748] FS:  00007fda65174840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   27.343007][  T748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.343184][  T748] CR2: 0000000014b70988 CR3: 000000000c5b7006 CR4: 0000000000771ef0
[   27.343473][  T748] PKRU: 55555554
[   27.343575][  T748] Call Trace:
[   27.343676][  T748]  <TASK>
[   27.343751][  T748]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   27.343909][  T748]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.344055][  T748]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.344165][  T748]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.344314][  T748]  __dev_notify_flags (net/core/dev.c:9787)
[   27.344457][  T748]  ? netif_change_name (net/core/dev.c:1495)
[   27.344597][  T748]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.344733][  T748]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.344869][  T748]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.345008][  T748]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.345191][  T748]  netif_change_flags (net/core/dev.c:9820)
[   27.345362][  T748]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.345505][  T748]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.345644][  T748]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.345818][  T748]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.345960][  T748]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.346099][  T748]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.346243][  T748]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.346465][  T748]  ? __kernel_text_address (kernel/extable.c:79)
[   27.346602][  T748]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.346741][  T748]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.346877][  T748]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.347017][  T748]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.347153][  T748]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.347297][  T748]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.347511][  T748]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.347649][  T748]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.347786][  T748]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.347926][  T748]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.348064][  T748]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.348202][  T748]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.348442][  T748]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.348650][  T748]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.348837][  T748]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.349021][  T748]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.349163][  T748]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.349306][  T748]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.349554][  T748]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.349694][  T748]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.349829][  T748]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.349965][  T748]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.350108][  T748]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.350257][  T748]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.350401][  T748]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.350539][  T748]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.350676][  T748]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.350816][  T748]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.350961][  T748]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.351101][  T748]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.351250][  T748]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.351398][  T748]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.351536][  T748]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.351679][  T748]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.351816][  T748]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.351955][  T748]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.352096][  T748]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.352255][  T748]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.352405][  T748]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.352541][  T748]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.352677][  T748]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.352818][  T748]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.352960][  T748]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.353097][  T748]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.353269][  T748]  ? move_addr_to_kernel (net/socket.c:258)
[   27.353412][  T748]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.353550][  T748]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.353689][  T748]  ___sys_sendmsg (net/socket.c:2752)
[   27.353825][  T748]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.354001][  T748]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.354151][  T748]  __sys_sendmsg (net/socket.c:2784)
[   27.354295][  T748]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.354437][  T748]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.354617][  T748]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.354752][  T748]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.354890][  T748]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.355027][  T748]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.355163][  T748]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.355305][  T748]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.355481][  T748] RIP: 0033:0x7fda653ae08e
[   27.355630][  T748] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.356122][  T748] RSP: 002b:00007ffda225b2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.356349][  T748] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fda653ae08e
[   27.356558][  T748] RDX: 0000000000000000 RSI: 00007ffda225b390 RDI: 0000000000000005
[   27.356760][  T748] RBP: 00007ffda225b2f0 R08: 0000000000000000 R09: 0000000000000000
[   27.356960][  T748] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.357167][  T748] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda225ba60
| [   27.459352][  T750] ------------[ cut here ]------------
| [   27.459637][  T750] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/750
| [   27.460033][  T750] Modules linked in: netdevsim
| [   27.461257][  T750] Tainted: [W]=WARN
[   27.461450][  T750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.461730][  T750] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.462027][  T750] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.462826][  T750] RSP: 0018:ffa0000001c871b0 EFLAGS: 00010286
[   27.463103][  T750] RAX: 00000000ffffffa6 RBX: ff11000004e1c1c0 RCX: 1ff4000000390dfc
[   27.463444][  T750] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c270
[   27.463769][  T750] RBP: ff1100000c534000 R08: 1fe22000009c384f R09: ff1100000ccb0ba8
[   27.464108][  T750] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.464448][  T750] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.464778][  T750] FS:  00007fd64e508840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   27.465163][  T750] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.465465][  T750] CR2: 00000000004a77b8 CR3: 000000000c5b3002 CR4: 0000000000771ef0
[   27.465794][  T750] PKRU: 55555554
[   27.465964][  T750] Call Trace:
[   27.466137][  T750]  <TASK>
[   27.466259][  T750]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.466493][  T750]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.466714][  T750]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.466945][  T750]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.467113][  T750]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   27.467348][  T750]  __dev_notify_flags (net/core/dev.c:9787)
[   27.467572][  T750]  ? netif_change_name (net/core/dev.c:1495)
[   27.467793][  T750]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.468072][  T750]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   27.468302][  T750]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   27.468548][  T750]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   27.468772][  T750]  ? __dev_get_by_name (net/core/dev.c:883)
[   27.468990][  T750]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   27.469215][  T750]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   27.469459][  T750]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.469686][  T750]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.469926][  T750]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.470149][  T750]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.470393][  T750]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.470613][  T750]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.470841][  T750]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.471062][  T750]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.471287][  T750]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.471511][  T750]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.471722][  T750]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.471941][  T750]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.472175][  T750]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.472406][  T750]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.472629][  T750]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.472848][  T750]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.473067][  T750]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.473298][  T750]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.473526][  T750]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.473758][  T750]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.473988][  T750]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.474196][  T750]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.474434][  T750]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.474652][  T750]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.474876][  T750]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.475100][  T750]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.475335][  T750]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.475561][  T750]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.475831][  T750]  ? move_addr_to_kernel (net/socket.c:258)
[   27.476052][  T750]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.476279][  T750]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   27.476509][  T750]  ___sys_sendmsg (net/socket.c:2752)
[   27.476718][  T750]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   27.476938][  T750]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.477172][  T750]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   27.477414][  T750]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   27.477635][  T750]  __sys_sendmsg (net/socket.c:2784)
[   27.477858][  T750]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.478084][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.478309][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.478533][  T750]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.478747][  T750]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.478973][  T750]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.479200][  T750]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.479471][  T750] RIP: 0033:0x7fd64e74208e
[   27.479704][  T750] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.480490][  T750] RSP: 002b:00007ffdf94bf860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.480824][  T750] RAX: ffffffffffffffda RBX: 00007ffdf94c0010 RCX: 00007fd64e74208e
[   27.481153][  T750] RDX: 0000000000000000 RSI: 00007ffdf94bf910 RDI: 0000000000000005
[   27.481496][  T750] RBP: 00007ffdf94bf870 R08: 0000000000000000 R09: 0000000000000000
[   27.481821][  T750] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.482143][  T750] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf94bffe0
| [   27.524061][  T751] ------------[ cut here ]------------
| [   27.524401][  T751] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/751
| [   27.524814][  T751] Modules linked in: netdevsim
| [   27.526103][  T751] Tainted: [W]=WARN
[   27.526453][  T751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.526764][  T751] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.527090][  T751] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.527825][  T751] RSP: 0018:ffa0000001c97020 EFLAGS: 00010286
[   27.528105][  T751] RAX: 00000000ffffffa6 RBX: ff11000004e1c040 RCX: 1ff4000000392dca
[   27.528448][  T751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c0f0
[   27.528785][  T751] RBP: ff1100000c534000 R08: 1fe22000009c381f R09: ff11000004c9ae80
[   27.529133][  T751] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   27.529501][  T751] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.529848][  T751] FS:  00007f0ffca0b840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   27.530263][  T751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.530581][  T751] CR2: 0000000015411988 CR3: 000000000c119003 CR4: 0000000000771ef0
[   27.530929][  T751] PKRU: 55555554
[   27.531129][  T751] Call Trace:
[   27.531357][  T751]  <TASK>
[   27.531515][  T751]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   27.531771][  T751]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.532047][  T751]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.532263][  T751]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.532526][  T751]  __dev_notify_flags (net/core/dev.c:9787)
[   27.532778][  T751]  ? netif_change_name (net/core/dev.c:1495)
[   27.533018][  T751]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.533270][  T751]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.533535][  T751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.533782][  T751]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.534028][  T751]  netif_change_flags (net/core/dev.c:9820)
[   27.534289][  T751]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.534553][  T751]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.534799][  T751]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.535095][  T751]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.535372][  T751]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.535632][  T751]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.535878][  T751]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.536130][  T751]  ? __kernel_text_address (kernel/extable.c:79)
[   27.536404][  T751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.536658][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.536904][  T751]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.537151][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.537430][  T751]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.537677][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.537923][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.538167][  T751]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.538437][  T751]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.538682][  T751]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.538934][  T751]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.539182][  T751]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.539461][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.539713][  T751]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.539965][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.540209][  T751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.540487][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.540737][  T751]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.540983][  T751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.541259][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.541517][  T751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.541769][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.542017][  T751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.542273][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.542539][  T751]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.542784][  T751]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.543031][  T751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.543290][  T751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.543558][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.543802][  T751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.544052][  T751]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.544313][  T751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.544577][  T751]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.544827][  T751]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.545073][  T751]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.545351][  T751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.545598][  T751]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.545845][  T751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.546099][  T751]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.546377][  T751]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.546625][  T751]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.546875][  T751]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.547122][  T751]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.547387][  T751]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.547684][  T751]  ? move_addr_to_kernel (net/socket.c:258)
[   27.547934][  T751]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.548179][  T751]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.548459][  T751]  ___sys_sendmsg (net/socket.c:2752)
[   27.548704][  T751]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.549005][  T751]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.549280][  T751]  __sys_sendmsg (net/socket.c:2784)
[   27.549557][  T751]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.549801][  T751]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.550102][  T751]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.550381][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.550631][  T751]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.550883][  T751]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.551129][  T751]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.551403][  T751]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.551702][  T751] RIP: 0033:0x7f0ffcc4508e
[   27.551962][  T751] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.552749][  T751] RSP: 002b:00007fff83961e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.553099][  T751] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ffcc4508e
[   27.553471][  T751] RDX: 0000000000000000 RSI: 00007fff83961f30 RDI: 0000000000000005
[   27.553824][  T751] RBP: 00007fff83961e90 R08: 0000000000000000 R09: 0000000000000000
[   27.554172][  T751] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.554540][  T751] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff83962600
| [   27.643441][  T753] ------------[ cut here ]------------
| [   27.643659][  T753] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/753
| [   27.643923][  T753] Modules linked in: netdevsim
| [   27.644413][  T753] Tainted: [W]=WARN
[   27.644521][  T753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.644698][  T753] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.644886][  T753] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.645398][  T753] RSP: 0018:ffa0000001ab71b0 EFLAGS: 00010286
[   27.645582][  T753] RAX: 00000000ffffffa6 RBX: ff1100000570cdc0 RCX: 1ff4000000356dfc
[   27.645797][  T753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000570ce70
[   27.646014][  T753] RBP: ff110000088a9000 R08: 1fe2200000ae19cf R09: ff1100000cc9aea8
[   27.646225][  T753] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.646446][  T753] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.646727][  T753] FS:  00007fa0a111c840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   27.647035][  T753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.647214][  T753] CR2: 00000000004a77b8 CR3: 000000000ef6f005 CR4: 0000000000771ef0
[   27.647451][  T753] PKRU: 55555554
[   27.647561][  T753] Call Trace:
[   27.647669][  T753]  <TASK>
[   27.647748][  T753]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.647896][  T753]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.648045][  T753]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.648188][  T753]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.648303][  T753]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   27.648450][  T753]  __dev_notify_flags (net/core/dev.c:9787)
[   27.648593][  T753]  ? netif_change_name (net/core/dev.c:1495)
[   27.648739][  T753]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.648921][  T753]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   27.649066][  T753]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   27.649210][  T753]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   27.649361][  T753]  ? __dev_get_by_name (net/core/dev.c:883)
[   27.649504][  T753]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   27.649651][  T753]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   27.649800][  T753]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.649949][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.650097][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.650246][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.650397][  T753]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.650540][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.650722][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.650869][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.651013][  T753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.651158][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.651306][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.651455][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.651600][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.651741][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.651884][  T753]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.652028][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.652178][  T753]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.652339][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.652480][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.652631][  T753]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.652776][  T753]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.652923][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.653069][  T753]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.653215][  T753]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.653373][  T753]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.653522][  T753]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.653668][  T753]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.653812][  T753]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.653989][  T753]  ? move_addr_to_kernel (net/socket.c:258)
[   27.654133][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.654311][  T753]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   27.654464][  T753]  ___sys_sendmsg (net/socket.c:2752)
[   27.654608][  T753]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   27.654755][  T753]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.654907][  T753]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   27.655060][  T753]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   27.655207][  T753]  __sys_sendmsg (net/socket.c:2784)
[   27.655360][  T753]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.655508][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.655651][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.655794][  T753]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.655935][  T753]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.656077][  T753]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.656218][  T753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.656406][  T753] RIP: 0033:0x7fa0a135608e
[   27.656560][  T753] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.657074][  T753] RSP: 002b:00007fff93f6bcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.657305][  T753] RAX: ffffffffffffffda RBX: 00007fff93f6c470 RCX: 00007fa0a135608e
[   27.657527][  T753] RDX: 0000000000000000 RSI: 00007fff93f6bd70 RDI: 0000000000000005
[   27.657757][  T753] RBP: 00007fff93f6bcd0 R08: 0000000000000000 R09: 0000000000000000
[   27.658003][  T753] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.658253][  T753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff93f6c440
| [   27.698034][  T754] ------------[ cut here ]------------
| [   27.698343][  T754] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/754
| [   27.698720][  T754] Modules linked in: netdevsim
| [   27.699408][  T754] Tainted: [W]=WARN
[   27.699572][  T754] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.699837][  T754] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.700128][  T754] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.701078][  T754] RSP: 0018:ffa00000014f7020 EFLAGS: 00010286
[   27.701476][  T754] RAX: 00000000ffffffa6 RBX: ff1100000570d6c0 RCX: 1ff400000029edca
[   27.701792][  T754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000570d770
[   27.702106][  T754] RBP: ff110000088a9000 R08: 1fe2200000ae1aef R09: ff1100000cc9d180
[   27.702572][  T754] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   27.702894][  T754] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.703214][  T754] FS:  00007ff58b33e840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   27.703693][  T754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.703959][  T754] CR2: 000000003dac6988 CR3: 000000000c627001 CR4: 0000000000771ef0
[   27.704290][  T754] PKRU: 55555554
[   27.704480][  T754] Call Trace:
[   27.704641][  T754]  <TASK>
[   27.704753][  T754]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   27.704969][  T754]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.705183][  T754]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.705360][  T754]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.705575][  T754]  __dev_notify_flags (net/core/dev.c:9787)
[   27.705791][  T754]  ? netif_change_name (net/core/dev.c:1495)
[   27.706009][  T754]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.706223][  T754]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.706447][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.706659][  T754]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.706871][  T754]  netif_change_flags (net/core/dev.c:9820)
[   27.707087][  T754]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.707320][  T754]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.707548][  T754]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.707812][  T754]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.708027][  T754]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.708250][  T754]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.708470][  T754]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.708679][  T754]  ? __kernel_text_address (kernel/extable.c:79)
[   27.708893][  T754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.709109][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.709321][  T754]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.709546][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.709758][  T754]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.709966][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.710174][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.710399][  T754]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.710616][  T754]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.710828][  T754]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.711039][  T754]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.711255][  T754]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.711479][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.711703][  T754]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.711915][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.712131][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.712356][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.712566][  T754]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.712789][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.713014][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.713226][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.713454][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.713666][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.713886][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.714093][  T754]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.714311][  T754]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.714497][  T754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.714681][  T754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.714882][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.715093][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.715308][  T754]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.715531][  T754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.715742][  T754]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.715962][  T754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.716176][  T754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.716407][  T754]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.716619][  T754]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.716833][  T754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.717052][  T754]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.717268][  T754]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.717493][  T754]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.717708][  T754]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.717920][  T754]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.718132][  T754]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.718410][  T754]  ? move_addr_to_kernel (net/socket.c:258)
[   27.718633][  T754]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.718845][  T754]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.719060][  T754]  ___sys_sendmsg (net/socket.c:2752)
[   27.719284][  T754]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.719556][  T754]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.719794][  T754]  __sys_sendmsg (net/socket.c:2784)
[   27.720007][  T754]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.720218][  T754]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.720507][  T754]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.720715][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.720926][  T754]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.721132][  T754]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.721354][  T754]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.721571][  T754]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.721834][  T754] RIP: 0033:0x7ff58b57808e
[   27.722061][  T754] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.722832][  T754] RSP: 002b:00007fff5de21920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.723154][  T754] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff58b57808e
[   27.723496][  T754] RDX: 0000000000000000 RSI: 00007fff5de219d0 RDI: 0000000000000005
[   27.723815][  T754] RBP: 00007fff5de21930 R08: 0000000000000000 R09: 0000000000000000
[   27.724134][  T754] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf71
[   27.724456][  T754] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5de220a0
| [   28.345703][  T782] ------------[ cut here ]------------
| [   28.345968][  T782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/782
| [   28.346923][  T782] Modules linked in: netdevsim
| [   28.347595][  T782] Tainted: [W]=WARN
[   28.347761][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.348030][  T782] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.348313][  T782] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.349050][  T782] RSP: 0018:ffa0000001d67010 EFLAGS: 00010286
[   28.349337][  T782] RAX: 00000000ffffffa6 RBX: ff11000004b0b3c0 RCX: 1ff40000003acdc8
[   28.349659][  T782] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b470
[   28.349977][  T782] RBP: ff11000009d84000 R08: 1fe220000096168f R09: ff11000004f2d180
[   28.350303][  T782] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   28.350637][  T782] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001d67100
[   28.350962][  T782] FS:  00007f9981bc2840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   28.351364][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.351642][  T782] CR2: 00007f9981e921a0 CR3: 000000000ed4f004 CR4: 0000000000771ef0
[   28.351964][  T782] PKRU: 55555554
[   28.352128][  T782] Call Trace:
[   28.352294][  T782]  <TASK>
[   28.352416][  T782]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.352634][  T782]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.352792][  T782]  netif_close_many (net/core/dev.c:1804)
[   28.352995][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.353201][  T782]  ? __dev_close_many (net/core/dev.c:1781)
[   28.353426][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.353643][  T782]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.353854][  T782]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.354061][  T782]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   28.354336][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.354549][  T782]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.354805][  T782]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.355017][  T782]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.355230][  T782]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.355502][  T782]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.355713][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.355925][  T782]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.356140][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.356369][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.356580][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.356792][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.357002][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.357254][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.357474][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.357688][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.357903][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.358116][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.358342][  T782]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   28.358550][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.358770][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.358987][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.359196][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.359429][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.359640][  T782]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.359848][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.360065][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.360277][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.360501][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.360710][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.360928][  T782]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.361142][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.361376][  T782]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.361578][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.361772][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.361987][  T782]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.362198][  T782]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.362415][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.362626][  T782]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.362834][  T782]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.363044][  T782]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.363263][  T782]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.363484][  T782]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.363693][  T782]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.363948][  T782]  ? move_addr_to_kernel (net/socket.c:258)
[   28.364165][  T782]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.364395][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.364612][  T782]  ___sys_sendmsg (net/socket.c:2752)
[   28.364825][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.365091][  T782]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.365338][  T782]  __sys_sendmsg (net/socket.c:2784)
[   28.365553][  T782]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.365760][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.366029][  T782]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.366248][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.366496][  T782]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.366701][  T782]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.366910][  T782]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.367128][  T782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.367401][  T782] RIP: 0033:0x7f9981dfc08e
[   28.367627][  T782] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.368389][  T782] RSP: 002b:00007ffeaa167610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.368716][  T782] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9981dfc08e
[   28.369038][  T782] RDX: 0000000000000000 RSI: 00007ffeaa1676c0 RDI: 0000000000000005
[   28.369367][  T782] RBP: 00007ffeaa167620 R08: 0000000000000000 R09: 0000000000000000
[   28.369677][  T782] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf72
[   28.369991][  T782] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeaa167d90
| [   28.375585][  T782] ------------[ cut here ]------------
| [   28.375797][  T782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/782
| [   28.376152][  T782] Modules linked in: netdevsim
| [   28.376769][  T782] Tainted: [W]=WARN
[   28.376918][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.377154][  T782] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.377454][  T782] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.378171][  T782] RSP: 0018:ffa0000001d67190 EFLAGS: 00010286
[   28.378438][  T782] RAX: 00000000ffffffa6 RBX: ff11000004f92f40 RCX: 1ff40000003acdf8
[   28.378738][  T782] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92ff0
[   28.379036][  T782] RBP: ff11000009d84000 R08: 1fe22000009f25ff R09: ff11000004f2d158
[   28.379346][  T782] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.379650][  T782] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.379956][  T782] FS:  00007f9981bc2840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   28.380303][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.380556][  T782] CR2: 00007f9981e921a0 CR3: 000000000ed4f004 CR4: 0000000000771ef0
[   28.380849][  T782] PKRU: 55555554
[   28.381001][  T782] Call Trace:
[   28.381152][  T782]  <TASK>
[   28.381263][  T782]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.381528][  T782]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.381772][  T782]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.381970][  T782]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.382169][  T782]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.382434][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.382638][  T782]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.382833][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.383032][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.383234][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.383704][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.383906][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.384142][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.384497][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.384694][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.384885][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.385079][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.385278][  T782]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   28.385644][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.385844][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.386044][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.386247][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.386587][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.386786][  T782]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.386984][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.387185][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.387486][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.387689][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.387890][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.388085][  T782]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.388292][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.388586][  T782]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.388789][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.388989][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.389194][  T782]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.389494][  T782]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.389697][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.389897][  T782]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.390095][  T782]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.390297][  T782]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.390598][  T782]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.390799][  T782]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.391002][  T782]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.391254][  T782]  ? move_addr_to_kernel (net/socket.c:258)
[   28.391549][  T782]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.391747][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.391950][  T782]  ___sys_sendmsg (net/socket.c:2752)
[   28.392149][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.392525][  T782]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.392756][  T782]  __sys_sendmsg (net/socket.c:2784)
[   28.392961][  T782]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.393159][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.393513][  T782]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.393713][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.393915][  T782]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.394118][  T782]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.394324][  T782]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.394613][  T782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.394856][  T782] RIP: 0033:0x7f9981dfc08e
[   28.395064][  T782] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.395889][  T782] RSP: 002b:00007ffeaa167610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.396192][  T782] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9981dfc08e
[   28.396601][  T782] RDX: 0000000000000000 RSI: 00007ffeaa1676c0 RDI: 0000000000000005
[   28.396898][  T782] RBP: 00007ffeaa167620 R08: 0000000000000000 R09: 0000000000000000
[   28.397195][  T782] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf72
[   28.397585][  T782] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeaa167d90
| [   28.450665][  T783] ------------[ cut here ]------------
| [   28.450963][  T783] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/783
| [   28.452165][  T783] Modules linked in: netdevsim
| [   28.452936][  T783] Tainted: [W]=WARN
[   28.453154][  T783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.453501][  T783] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.453835][  T783] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.454700][  T783] RSP: 0018:ffa0000001d77010 EFLAGS: 00010286
[   28.455030][  T783] RAX: 00000000ffffffa6 RBX: ff1100000dffe940 RCX: 1ff40000003aedc8
[   28.455449][  T783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffe9f0
[   28.455832][  T783] RBP: ff1100000c534000 R08: 1fe2200001bffd3f R09: ff11000009048b80
[   28.456209][  T783] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   28.456596][  T783] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001d77100
[   28.456965][  T783] FS:  00007fab60bb5840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   28.457417][  T783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.457738][  T783] CR2: 000000000fe7e988 CR3: 000000000c30d001 CR4: 0000000000771ef0
[   28.458107][  T783] PKRU: 55555554
[   28.458346][  T783] Call Trace:
[   28.458560][  T783]  <TASK>
[   28.458724][  T783]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.458991][  T783]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.459214][  T783]  netif_close_many (net/core/dev.c:1804)
[   28.459501][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.459763][  T783]  ? __dev_close_many (net/core/dev.c:1781)
[   28.460054][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.460345][  T783]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.460608][  T783]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.460873][  T783]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   28.461195][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.461495][  T783]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.461811][  T783]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.462075][  T783]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.462366][  T783]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.462680][  T783]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.462940][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.463207][  T783]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.463504][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.463768][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.464039][  T783]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.464312][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.464593][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.464892][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.465152][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.465451][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.465710][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.465974][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.466248][  T783]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   28.466532][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.466789][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.467055][  T783]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.467347][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.467621][  T783]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.467886][  T783]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.468149][  T783]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.468438][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.468703][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.468977][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.469247][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.469542][  T783]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.469805][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.470072][  T783]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.470368][  T783]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.470632][  T783]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.470903][  T783]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.471174][  T783]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.471463][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.471742][  T783]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.472012][  T783]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.472283][  T783]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.472572][  T783]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.472841][  T783]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.473105][  T783]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.473448][  T783]  ? move_addr_to_kernel (net/socket.c:258)
[   28.473723][  T783]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.473987][  T783]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.474269][  T783]  ___sys_sendmsg (net/socket.c:2752)
[   28.474556][  T783]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.474875][  T783]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.475161][  T783]  __sys_sendmsg (net/socket.c:2784)
[   28.475451][  T783]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.475722][  T783]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.476046][  T783]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.476322][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.476607][  T783]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.476874][  T783]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.477143][  T783]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.477414][  T783]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.477702][  T783] RIP: 0033:0x7fab60def08e
[   28.477988][  T783] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.478812][  T783] RSP: 002b:00007ffd364c4bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.479184][  T783] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab60def08e
[   28.479578][  T783] RDX: 0000000000000000 RSI: 00007ffd364c4ca0 RDI: 0000000000000005
[   28.479945][  T783] RBP: 00007ffd364c4c00 R08: 0000000000000000 R09: 0000000000000000
[   28.480319][  T783] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf72
[   28.480705][  T783] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd364c5370
| [   28.486735][  T783] ------------[ cut here ]------------
| [   28.486990][  T783] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/783
| [   28.487430][  T783] Modules linked in: netdevsim
| [   28.488142][  T783] Tainted: [W]=WARN
[   28.488389][  T783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.488694][  T783] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.489007][  T783] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.490059][  T783] RSP: 0018:ffa0000001d77190 EFLAGS: 00010286
[   28.490556][  T783] RAX: 00000000ffffffa6 RBX: ff110000094a56c0 RCX: 1ff40000003aedf8
[   28.491055][  T783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5770
[   28.491578][  T783] RBP: ff1100000c534000 R08: 1fe2200001294aef R09: ff11000009048b58
[   28.492020][  T783] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.492484][  T783] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.492929][  T783] FS:  00007fab60bb5840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   28.493448][  T783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.493841][  T783] CR2: 000000000fe7e988 CR3: 000000000c30d001 CR4: 0000000000771ef0
[   28.494289][  T783] PKRU: 55555554
[   28.494593][  T783] Call Trace:
[   28.494880][  T783]  <TASK>
[   28.495129][  T783]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.495551][  T783]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.495890][  T783]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.496229][  T783]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.496591][  T783]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.496985][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.497358][  T783]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.497696][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.498038][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.498408][  T783]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.498749][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.499089][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.499484][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.499829][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.500169][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.500532][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.500870][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.501210][  T783]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   28.501580][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.501917][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.502263][  T783]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.502622][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.502972][  T783]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.503318][  T783]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.503763][  T783]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.504099][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.504464][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.504803][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.505138][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.505505][  T783]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.505845][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.506182][  T783]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.506564][  T783]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.506900][  T783]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.507249][  T783]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.507601][  T783]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.507940][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.508292][  T783]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.508654][  T783]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.509003][  T783]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.509376][  T783]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.509631][  T783]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.509882][  T783]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.510176][  T783]  ? move_addr_to_kernel (net/socket.c:258)
[   28.510458][  T783]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.510712][  T783]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.510969][  T783]  ___sys_sendmsg (net/socket.c:2752)
[   28.511215][  T783]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.511537][  T783]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.511804][  T783]  __sys_sendmsg (net/socket.c:2784)
[   28.512051][  T783]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.512310][  T783]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.512637][  T783]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.512893][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.513143][  T783]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.513423][  T783]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.513662][  T783]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.513901][  T783]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.514205][  T783] RIP: 0033:0x7fab60def08e
[   28.514496][  T783] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.515246][  T783] RSP: 002b:00007ffd364c4bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.515614][  T783] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab60def08e
[   28.515958][  T783] RDX: 0000000000000000 RSI: 00007ffd364c4ca0 RDI: 0000000000000005
[   28.516310][  T783] RBP: 00007ffd364c4c00 R08: 0000000000000000 R09: 0000000000000000
[   28.516670][  T783] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf72
[   28.517014][  T783] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd364c5370
| [   28.612867][  T784] ------------[ cut here ]------------
| [   28.613125][  T784] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/784
| [   28.613517][  T784] Modules linked in: netdevsim
| [   28.614181][  T784] Tainted: [W]=WARN
[   28.614355][  T784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.614623][  T784] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.614906][  T784] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.615682][  T784] RSP: 0018:ffa0000001d87010 EFLAGS: 00010286
[   28.615950][  T784] RAX: 00000000ffffffa6 RBX: ff110000094a5cc0 RCX: 1ff40000003b0dc8
[   28.616263][  T784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5d70
[   28.616584][  T784] RBP: ff110000088a9000 R08: 1fe2200001294baf R09: ff11000004c75180
[   28.616903][  T784] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   28.617222][  T784] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001d87100
[   28.617556][  T784] FS:  00007fd0295a4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   28.617939][  T784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.618204][  T784] CR2: 000000003da37988 CR3: 000000000ed4c006 CR4: 0000000000771ef0
[   28.618538][  T784] PKRU: 55555554
[   28.618698][  T784] Call Trace:
[   28.618857][  T784]  <TASK>
[   28.618969][  T784]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.619191][  T784]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.619382][  T784]  netif_close_many (net/core/dev.c:1804)
[   28.619601][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.619823][  T784]  ? __dev_close_many (net/core/dev.c:1781)
[   28.620040][  T784]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.620262][  T784]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.620492][  T784]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.620702][  T784]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   28.620970][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.621178][  T784]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.621455][  T784]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.621666][  T784]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.621881][  T784]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.622146][  T784]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.622374][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.622592][  T784]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.622813][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.623025][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.623245][  T784]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.623471][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.623682][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.623931][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.624142][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.624369][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.624579][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.624791][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.625003][  T784]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   28.625220][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.625448][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.625660][  T784]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.625873][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.626091][  T784]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.626307][  T784]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.626533][  T784]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.626740][  T784]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.626949][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.627161][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.627383][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.627598][  T784]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.627810][  T784]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.628025][  T784]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.628248][  T784]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.628470][  T784]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.628690][  T784]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.628903][  T784]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.629117][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.629345][  T784]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.629564][  T784]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.629786][  T784]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.630005][  T784]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.630218][  T784]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.630445][  T784]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.630704][  T784]  ? move_addr_to_kernel (net/socket.c:258)
[   28.630910][  T784]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.631119][  T784]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.631346][  T784]  ___sys_sendmsg (net/socket.c:2752)
[   28.631557][  T784]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.631820][  T784]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.632065][  T784]  __sys_sendmsg (net/socket.c:2784)
[   28.632280][  T784]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.632499][  T784]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.632774][  T784]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.632988][  T784]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.633201][  T784]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.633429][  T784]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.633649][  T784]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.633868][  T784]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.634131][  T784] RIP: 0033:0x7fd0297de08e
[   28.634368][  T784] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.635077][  T784] RSP: 002b:00007ffff9082bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.635401][  T784] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd0297de08e
[   28.635710][  T784] RDX: 0000000000000000 RSI: 00007ffff9082c60 RDI: 0000000000000005
[   28.636021][  T784] RBP: 00007ffff9082bc0 R08: 0000000000000000 R09: 0000000000000000
[   28.636352][  T784] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf72
[   28.636668][  T784] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff9083330
| [   28.641822][  T784] ------------[ cut here ]------------
| [   28.642044][  T784] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/784
| [   28.642519][  T784] Modules linked in: netdevsim
| [   28.643134][  T784] Tainted: [W]=WARN
[   28.643435][  T784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.643686][  T784] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.643940][  T784] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.644740][  T784] RSP: 0018:ffa0000001d87190 EFLAGS: 00010286
[   28.644995][  T784] RAX: 00000000ffffffa6 RBX: ff1100000ec1aac0 RCX: 1ff40000003b0df8
[   28.645300][  T784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1ab70
[   28.645609][  T784] RBP: ff110000088a9000 R08: 1fe2200001d8356f R09: ff11000004c75158
[   28.645902][  T784] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.646199][  T784] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.646523][  T784] FS:  00007fd0295a4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   28.646877][  T784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.647132][  T784] CR2: 000000003da37988 CR3: 000000000ed4c006 CR4: 0000000000771ef0
[   28.647446][  T784] PKRU: 55555554
[   28.647595][  T784] Call Trace:
[   28.647745][  T784]  <TASK>
[   28.647853][  T784]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.648111][  T784]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.648374][  T784]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.648576][  T784]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.648777][  T784]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.649030][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.649234][  T784]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.649455][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.649654][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.649849][  T784]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.650044][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.650235][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.650481][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.650680][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.650885][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.651087][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.651283][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.651488][  T784]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   28.651693][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.651891][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.652090][  T784]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.652292][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.652503][  T784]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.652699][  T784]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.652895][  T784]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.653091][  T784]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.653294][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.653509][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.653706][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.653913][  T784]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.654109][  T784]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.654312][  T784]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.654531][  T784]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.654729][  T784]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.654931][  T784]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.655133][  T784]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.655342][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.655550][  T784]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.655751][  T784]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.655949][  T784]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.656150][  T784]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.656362][  T784]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.656560][  T784]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.656804][  T784]  ? move_addr_to_kernel (net/socket.c:258)
[   28.657009][  T784]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.657209][  T784]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.657424][  T784]  ___sys_sendmsg (net/socket.c:2752)
[   28.657620][  T784]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.657866][  T784]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.658090][  T784]  __sys_sendmsg (net/socket.c:2784)
[   28.658293][  T784]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.658501][  T784]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.658751][  T784]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.658952][  T784]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.659154][  T784]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.659515][  T784]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.659713][  T784]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.659908][  T784]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.660150][  T784] RIP: 0033:0x7fd0297de08e
[   28.660537][  T784] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.661404][  T784] RSP: 002b:00007ffff9082bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.661709][  T784] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd0297de08e
[   28.662012][  T784] RDX: 0000000000000000 RSI: 00007ffff9082c60 RDI: 0000000000000005
[   28.662465][  T784] RBP: 00007ffff9082bc0 R08: 0000000000000000 R09: 0000000000000000
[   28.662770][  T784] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf72
[   28.663071][  T784] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff9083330
| [   28.830361][  T794] ------------[ cut here ]------------
| [   28.830672][  T794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/794
| [   28.831126][  T794] Modules linked in: netdevsim
| [   28.832227][  T794] Tainted: [W]=WARN
[   28.832474][  T794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.832802][  T794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.833159][  T794] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.834003][  T794] RSP: 0018:ffa0000001d371b0 EFLAGS: 00010286
[   28.834353][  T794] RAX: 00000000ffffffa6 RBX: ff1100000ee90040 RCX: 1ff40000003a6dfc
[   28.834739][  T794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ee900f0
[   28.835120][  T794] RBP: ff11000008c11000 R08: 1fe2200001dd201f R09: ff1100000ee8aea8
[   28.835529][  T794] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.835916][  T794] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.836306][  T794] FS:  00007f97d6fc5840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   28.836763][  T794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.837097][  T794] CR2: 00000000004a77b8 CR3: 000000000dca9002 CR4: 0000000000771ef0
[   28.837509][  T794] PKRU: 55555554
[   28.837727][  T794] Call Trace:
[   28.837946][  T794]  <TASK>
[   28.838116][  T794]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.838438][  T794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.838716][  T794]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.838986][  T794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.839207][  T794]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   28.839514][  T794]  __dev_notify_flags (net/core/dev.c:9787)
[   28.839791][  T794]  ? netif_change_name (net/core/dev.c:1495)
[   28.840079][  T794]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.840453][  T794]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.840736][  T794]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   28.841014][  T794]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.841299][  T794]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.841593][  T794]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.841879][  T794]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.842164][  T794]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.842473][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.842747][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.843023][  T794]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.843302][  T794]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.843593][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.843874][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.844153][  T794]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.844453][  T794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.844728][  T794]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.845003][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.845286][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.845581][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.845855][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.846132][  T794]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.846434][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.846710][  T794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.846988][  T794]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.847267][  T794]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.847577][  T794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.847852][  T794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.848124][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.848422][  T794]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.848700][  T794]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.848973][  T794]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.849262][  T794]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.849560][  T794]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.849833][  T794]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.850161][  T794]  ? move_addr_to_kernel (net/socket.c:258)
[   28.850462][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.850747][  T794]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   28.851028][  T794]  ___sys_sendmsg (net/socket.c:2752)
[   28.851302][  T794]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   28.851591][  T794]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.851875][  T794]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   28.852153][  T794]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   28.852459][  T794]  __sys_sendmsg (net/socket.c:2784)
[   28.852736][  T794]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.853019][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.853302][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.853601][  T794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.853874][  T794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.854154][  T794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.854455][  T794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.854780][  T794] RIP: 0033:0x7f97d71ff08e
[   28.855061][  T794] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.855915][  T794] RSP: 002b:00007ffc31d71090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.856310][  T794] RAX: ffffffffffffffda RBX: 00007ffc31d71840 RCX: 00007f97d71ff08e
[   28.856714][  T794] RDX: 0000000000000000 RSI: 00007ffc31d71140 RDI: 0000000000000005
[   28.857097][  T794] RBP: 00007ffc31d710a0 R08: 0000000000000000 R09: 0000000000000000
[   28.857502][  T794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   28.857891][  T794] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc31d71810
| [   28.890984][  T795] ------------[ cut here ]------------
| [   28.891168][  T795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/795
| [   28.891438][  T795] Modules linked in: netdevsim
| [   28.891868][  T795] Tainted: [W]=WARN
[   28.891973][  T795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.892147][  T795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.892343][  T795] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.892826][  T795] RSP: 0018:ffa0000001df7020 EFLAGS: 00010286
[   28.893006][  T795] RAX: 00000000ffffffa6 RBX: ff1100000ee90ac0 RCX: 1ff40000003bedca
[   28.893212][  T795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ee90b70
[   28.893436][  T795] RBP: ff11000008c11000 R08: 1fe2200001dd216f R09: ff1100000ae6ae80
[   28.893645][  T795] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   28.893858][  T795] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.894065][  T795] FS:  00007f17f2def840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   28.894331][  T795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.894506][  T795] CR2: 0000000019a2b988 CR3: 00000000095af003 CR4: 0000000000771ef0
[   28.894712][  T795] PKRU: 55555554
[   28.894818][  T795] Call Trace:
[   28.894922][  T795]  <TASK>
[   28.894995][  T795]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   28.895139][  T795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.895282][  T795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.895394][  T795]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.895533][  T795]  __dev_notify_flags (net/core/dev.c:9787)
[   28.895678][  T795]  ? netif_change_name (net/core/dev.c:1495)
[   28.895817][  T795]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.895953][  T795]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.896094][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.896243][  T795]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   28.896397][  T795]  netif_change_flags (net/core/dev.c:9820)
[   28.896541][  T795]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.896680][  T795]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.896820][  T795]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.896993][  T795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.897133][  T795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.897278][  T795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.897498][  T795]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.897637][  T795]  ? __kernel_text_address (kernel/extable.c:79)
[   28.897776][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.897923][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.898065][  T795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.898204][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.898462][  T795]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.898601][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.898737][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.898874][  T795]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.899014][  T795]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   28.899161][  T795]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.899302][  T795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.899503][  T795]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.899700][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.899841][  T795]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.899980][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.900115][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.900260][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.900464][  T795]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.900603][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.900753][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.900889][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.901045][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.901186][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.901388][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.901527][  T795]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.901664][  T795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.901805][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.901958][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.902165][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.902398][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.902624][  T795]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.902847][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.903057][  T795]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.903227][  T795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.903395][  T795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.903537][  T795]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.903677][  T795]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.903813][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.903954][  T795]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.904093][  T795]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.904234][  T795]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.904390][  T795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.904529][  T795]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.904665][  T795]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.904834][  T795]  ? move_addr_to_kernel (net/socket.c:258)
[   28.904972][  T795]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.905111][  T795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.905256][  T795]  ___sys_sendmsg (net/socket.c:2752)
[   28.905405][  T795]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.905635][  T795]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.905859][  T795]  __sys_sendmsg (net/socket.c:2784)
[   28.906069][  T795]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.906282][  T795]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.906557][  T795]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.906764][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.906918][  T795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.907057][  T795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.907197][  T795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.907355][  T795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.907526][  T795] RIP: 0033:0x7f17f302908e
[   28.907675][  T795] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.908175][  T795] RSP: 002b:00007ffff07f6cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.908396][  T795] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f17f302908e
[   28.908600][  T795] RDX: 0000000000000000 RSI: 00007ffff07f6d60 RDI: 0000000000000005
[   28.908803][  T795] RBP: 00007ffff07f6cc0 R08: 0000000000000000 R09: 0000000000000000
[   28.909011][  T795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   28.909219][  T795] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff07f7430
| [   28.996333][  T797] ------------[ cut here ]------------
| [   28.996518][  T797] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/797
| [   28.996767][  T797] Modules linked in: netdevsim
| [   28.997211][  T797] Tainted: [W]=WARN
[   28.997336][  T797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.997511][  T797] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.997696][  T797] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.998209][  T797] RSP: 0018:ffa0000001e171b0 EFLAGS: 00010286
[   28.998398][  T797] RAX: 00000000ffffffa6 RBX: ff1100000ec1ac40 RCX: 1ff40000003c2dfc
[   28.998609][  T797] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1acf0
[   28.998825][  T797] RBP: ff11000008ec9000 R08: 1fe2200001d8359f R09: ff1100000cc9aea8
[   28.999045][  T797] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   28.999269][  T797] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.999481][  T797] FS:  00007f4281ccb840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   28.999730][  T797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.999909][  T797] CR2: 00000000004a77b8 CR3: 000000000c7ef005 CR4: 0000000000771ef0
[   29.000117][  T797] PKRU: 55555554
[   29.000222][  T797] Call Trace:
[   29.000414][  T797]  <TASK>
[   29.000487][  T797]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.000630][  T797]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.000768][  T797]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.000909][  T797]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.001015][  T797]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   29.001154][  T797]  __dev_notify_flags (net/core/dev.c:9787)
[   29.001303][  T797]  ? netif_change_name (net/core/dev.c:1495)
[   29.001517][  T797]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.001767][  T797]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.001907][  T797]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.002048][  T797]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.002186][  T797]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.002417][  T797]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.002562][  T797]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.002703][  T797]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.002842][  T797]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.002979][  T797]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.003118][  T797]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.003258][  T797]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.003480][  T797]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.003621][  T797]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.003759][  T797]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.003896][  T797]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.004033][  T797]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.004171][  T797]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.004320][  T797]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.004529][  T797]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.004666][  T797]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.004806][  T797]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.004943][  T797]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.005087][  T797]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.005230][  T797]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.005444][  T797]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.005584][  T797]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.005723][  T797]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.005861][  T797]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.006002][  T797]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.006140][  T797]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.006286][  T797]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.006479][  T797]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.006625][  T797]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.006766][  T797]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.006948][  T797]  ? move_addr_to_kernel (net/socket.c:258)
[   29.007087][  T797]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.007231][  T797]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   29.007381][  T797]  ___sys_sendmsg (net/socket.c:2752)
[   29.007518][  T797]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   29.007659][  T797]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.007825][  T797]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   29.007990][  T797]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   29.008132][  T797]  __sys_sendmsg (net/socket.c:2784)
[   29.008274][  T797]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.008424][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.008562][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.008700][  T797]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.008842][  T797]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.008984][  T797]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.009122][  T797]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.009302][  T797] RIP: 0033:0x7f4281f0508e
[   29.009453][  T797] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.009962][  T797] RSP: 002b:00007ffc7c86fd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.010196][  T797] RAX: ffffffffffffffda RBX: 00007ffc7c870540 RCX: 00007f4281f0508e
[   29.010429][  T797] RDX: 0000000000000000 RSI: 00007ffc7c86fe40 RDI: 0000000000000005
[   29.010648][  T797] RBP: 00007ffc7c86fda0 R08: 0000000000000000 R09: 0000000000000000
[   29.010879][  T797] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   29.011100][  T797] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7c870510
| [   29.048202][  T798] ------------[ cut here ]------------
| [   29.048608][  T798] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/798
| [   29.048893][  T798] Modules linked in: netdevsim
| [   29.049340][  T798] Tainted: [W]=WARN
[   29.049446][  T798] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.049639][  T798] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.049821][  T798] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.050319][  T798] RSP: 0018:ffa0000001e27020 EFLAGS: 00010286
[   29.050503][  T798] RAX: 00000000ffffffa6 RBX: ff1100000ec1be40 RCX: 1ff40000003c4dca
[   29.050710][  T798] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1bef0
[   29.050915][  T798] RBP: ff11000008ec9000 R08: 1fe2200001d837df R09: ff1100000c292e80
[   29.051122][  T798] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   29.051347][  T798] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.051563][  T798] FS:  00007fd1b9698840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   29.051811][  T798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.051989][  T798] CR2: 000000003b951988 CR3: 000000000ee27005 CR4: 0000000000771ef0
[   29.052194][  T798] PKRU: 55555554
[   29.052319][  T798] Call Trace:
[   29.052434][  T798]  <TASK>
[   29.052507][  T798]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   29.052649][  T798]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.052788][  T798]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.052896][  T798]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.053036][  T798]  __dev_notify_flags (net/core/dev.c:9787)
[   29.053177][  T798]  ? netif_change_name (net/core/dev.c:1495)
[   29.053323][  T798]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.053470][  T798]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.053611][  T798]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.053748][  T798]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.053889][  T798]  netif_change_flags (net/core/dev.c:9820)
[   29.054031][  T798]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.054171][  T798]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.054315][  T798]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.054497][  T798]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.054642][  T798]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.054782][  T798]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.054921][  T798]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.055061][  T798]  ? __kernel_text_address (kernel/extable.c:79)
[   29.055200][  T798]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.055355][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.055491][  T798]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.055629][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.055767][  T798]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.055906][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.056044][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.056180][  T798]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.056325][  T798]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.056471][  T798]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.056610][  T798]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.056750][  T798]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.056892][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.057037][  T798]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.057182][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.057331][  T798]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.057479][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.057615][  T798]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.057755][  T798]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.057895][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.058030][  T798]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.058167][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.058309][  T798]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.058453][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.058592][  T798]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.058729][  T798]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.058868][  T798]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.059009][  T798]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.059148][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.059286][  T798]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.059529][  T798]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.059670][  T798]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.059818][  T798]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.059961][  T798]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.060104][  T798]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.060252][  T798]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.060463][  T798]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.060605][  T798]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.060744][  T798]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.060888][  T798]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.061030][  T798]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.061175][  T798]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.061319][  T798]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.061538][  T798]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.061872][  T798]  ? move_addr_to_kernel (net/socket.c:258)
[   29.062014][  T798]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.062155][  T798]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.062301][  T798]  ___sys_sendmsg (net/socket.c:2752)
[   29.062517][  T798]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.062693][  T798]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.062844][  T798]  __sys_sendmsg (net/socket.c:2784)
[   29.062984][  T798]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.063126][  T798]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.063308][  T798]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.063455][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.063594][  T798]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.063740][  T798]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.063886][  T798]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.064035][  T798]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.064215][  T798] RIP: 0033:0x7fd1b98d208e
[   29.066564][  T798] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.067058][  T798] RSP: 002b:00007ffebcc0cd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.067275][  T798] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd1b98d208e
[   29.067492][  T798] RDX: 0000000000000000 RSI: 00007ffebcc0cdd0 RDI: 0000000000000005
[   29.067702][  T798] RBP: 00007ffebcc0cd30 R08: 0000000000000000 R09: 0000000000000000
[   29.067909][  T798] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   29.068124][  T798] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcc0d4a0
| [   29.153734][  T800] ------------[ cut here ]------------
| [   29.153915][  T800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/800
| [   29.154169][  T800] Modules linked in: netdevsim
| [   29.155257][  T800] Tainted: [W]=WARN
[   29.155370][  T800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.155546][  T800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.155730][  T800] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.156270][  T800] RSP: 0018:ffa0000001e371b0 EFLAGS: 00010286
[   29.156453][  T800] RAX: 00000000ffffffa6 RBX: ff11000004e1de40 RCX: 1ff40000003c6dfc
[   29.156661][  T800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1def0
[   29.156869][  T800] RBP: ff1100000c191000 R08: 1fe22000009c3bdf R09: ff1100000ccb51a8
[   29.157079][  T800] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.157294][  T800] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.157510][  T800] FS:  00007f0cf0011840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   29.157760][  T800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.157936][  T800] CR2: 00000000004a77b8 CR3: 000000000ee37001 CR4: 0000000000771ef0
[   29.158151][  T800] PKRU: 55555554
[   29.158262][  T800] Call Trace:
[   29.158374][  T800]  <TASK>
[   29.158447][  T800]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.158593][  T800]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.158734][  T800]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.158877][  T800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.158984][  T800]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   29.159125][  T800]  __dev_notify_flags (net/core/dev.c:9787)
[   29.159278][  T800]  ? netif_change_name (net/core/dev.c:1495)
[   29.159429][  T800]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.159609][  T800]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.159751][  T800]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.159894][  T800]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.160034][  T800]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.160175][  T800]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.160332][  T800]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.160477][  T800]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.160618][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.160760][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.160907][  T800]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.161049][  T800]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.161192][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.161349][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.161490][  T800]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.161630][  T800]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.161774][  T800]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.161912][  T800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.162050][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.162198][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.162352][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.162498][  T800]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.162636][  T800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.162779][  T800]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.162927][  T800]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.163067][  T800]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.163209][  T800]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.163361][  T800]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.163501][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.163643][  T800]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.163784][  T800]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.163927][  T800]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.164072][  T800]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.164214][  T800]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.164365][  T800]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.164537][  T800]  ? move_addr_to_kernel (net/socket.c:258)
[   29.164681][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.164828][  T800]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   29.164976][  T800]  ___sys_sendmsg (net/socket.c:2752)
[   29.165117][  T800]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   29.165262][  T800]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.165413][  T800]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   29.165558][  T800]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   29.165704][  T800]  __sys_sendmsg (net/socket.c:2784)
[   29.165846][  T800]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.165993][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.166138][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.166281][  T800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.166428][  T800]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.166568][  T800]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.166709][  T800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.166889][  T800] RIP: 0033:0x7f0cf024b08e
[   29.167040][  T800] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.167543][  T800] RSP: 002b:00007ffc2ab0fb80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.167754][  T800] RAX: ffffffffffffffda RBX: 00007ffc2ab10330 RCX: 00007f0cf024b08e
[   29.167963][  T800] RDX: 0000000000000000 RSI: 00007ffc2ab0fc30 RDI: 0000000000000005
[   29.168177][  T800] RBP: 00007ffc2ab0fb90 R08: 0000000000000000 R09: 0000000000000000
[   29.168403][  T800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   29.168617][  T800] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2ab10300
| [   29.215991][  T801] ------------[ cut here ]------------
| [   29.216248][  T801] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/801
| [   29.216636][  T801] Modules linked in: netdevsim
| [   29.217306][  T801] Tainted: [W]=WARN
[   29.217476][  T801] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.217737][  T801] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.218025][  T801] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.218950][  T801] RSP: 0018:ffa0000001e47020 EFLAGS: 00010286
[   29.219223][  T801] RAX: 00000000ffffffa6 RBX: ff1100000584ef40 RCX: 1ff40000003c8dca
[   29.219671][  T801] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000584eff0
[   29.219990][  T801] RBP: ff1100000c191000 R08: 1fe2200000b09dff R09: ff11000004c9d180
[   29.220447][  T801] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   29.220765][  T801] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.221088][  T801] FS:  00007f21c4abb840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   29.221657][  T801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.221927][  T801] CR2: 000000002c329988 CR3: 0000000009f9f004 CR4: 0000000000771ef0
[   29.222254][  T801] PKRU: 55555554
[   29.222641][  T801] Call Trace:
[   29.222803][  T801]  <TASK>
[   29.222915][  T801]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   29.223153][  T801]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.223443][  T801]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.223608][  T801]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.223819][  T801]  __dev_notify_flags (net/core/dev.c:9787)
[   29.224040][  T801]  ? netif_change_name (net/core/dev.c:1495)
[   29.224256][  T801]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.224484][  T801]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.224696][  T801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.224913][  T801]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.225129][  T801]  netif_change_flags (net/core/dev.c:9820)
[   29.225360][  T801]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.225579][  T801]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.225793][  T801]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.226057][  T801]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.226270][  T801]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.226491][  T801]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.226704][  T801]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.226922][  T801]  ? __kernel_text_address (kernel/extable.c:79)
[   29.227136][  T801]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.227359][  T801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.227570][  T801]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.227782][  T801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.227998][  T801]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.228209][  T801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.228436][  T801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.228644][  T801]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.228856][  T801]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.229068][  T801]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.229284][  T801]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.229509][  T801]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.229724][  T801]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.229940][  T801]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.230158][  T801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.230390][  T801]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.230599][  T801]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.230809][  T801]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.231020][  T801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.231238][  T801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.231465][  T801]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.231681][  T801]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.231891][  T801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.232101][  T801]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.232311][  T801]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.232529][  T801]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.232728][  T801]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.232934][  T801]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.233153][  T801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.233388][  T801]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.233604][  T801]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.233817][  T801]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.234037][  T801]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.234262][  T801]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.234483][  T801]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.234697][  T801]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.234908][  T801]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.235122][  T801]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.235352][  T801]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.235570][  T801]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.235787][  T801]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.236024][  T801]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.236251][  T801]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.236482][  T801]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.236757][  T801]  ? move_addr_to_kernel (net/socket.c:258)
[   29.236992][  T801]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.237209][  T801]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.237437][  T801]  ___sys_sendmsg (net/socket.c:2752)
[   29.237654][  T801]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.237926][  T801]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.238173][  T801]  __sys_sendmsg (net/socket.c:2784)
[   29.238401][  T801]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.238609][  T801]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.238880][  T801]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.239095][  T801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.239313][  T801]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.239530][  T801]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.239736][  T801]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.239945][  T801]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.240215][  T801] RIP: 0033:0x7f21c4cf508e
[   29.240457][  T801] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.241207][  T801] RSP: 002b:00007ffec9e31f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.241556][  T801] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f21c4cf508e
[   29.241876][  T801] RDX: 0000000000000000 RSI: 00007ffec9e31fe0 RDI: 0000000000000005
[   29.242191][  T801] RBP: 00007ffec9e31f40 R08: 0000000000000000 R09: 0000000000000000
[   29.242520][  T801] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   29.242837][  T801] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec9e326b0
| [   29.824689][  T825] ------------[ cut here ]------------
| [   29.824874][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/825
| [   29.825115][  T825] Modules linked in: netdevsim
| [   29.825565][  T825] Tainted: [W]=WARN
[   29.825670][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.825852][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.826103][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.826596][  T825] RSP: 0018:ffa0000001ee7010 EFLAGS: 00010286
[   29.826784][  T825] RAX: 00000000ffffffa6 RBX: ff11000004f93b40 RCX: 1ff40000003dcdc8
[   29.826999][  T825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93bf0
[   29.827209][  T825] RBP: ff11000008c11000 R08: 1fe22000009f277f R09: ff1100000c270b80
[   29.827436][  T825] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   29.827646][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001ee7100
[   29.827862][  T825] FS:  00007f3f79496840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   29.828105][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.828377][  T825] CR2: 000000000a754988 CR3: 000000000c1dc003 CR4: 0000000000771ef0
[   29.828680][  T825] PKRU: 55555554
[   29.828838][  T825] Call Trace:
[   29.828988][  T825]  <TASK>
[   29.829072][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.829215][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.829341][  T825]  netif_close_many (net/core/dev.c:1804)
[   29.829479][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.829616][  T825]  ? __dev_close_many (net/core/dev.c:1781)
[   29.829753][  T825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.829891][  T825]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.830031][  T825]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.830165][  T825]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   29.830348][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.830485][  T825]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.830657][  T825]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.830795][  T825]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.830931][  T825]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.831103][  T825]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.831240][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.831389][  T825]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.831526][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.831661][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.831812][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.831952][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.832094][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.832517][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.832652][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.832789][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.832925][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.833062][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.833198][  T825]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   29.833345][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.833493][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.833634][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.833768][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.833907][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.834040][  T825]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.834175][  T825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.834316][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.834459][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.834598][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.834741][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.834881][  T825]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.835016][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.835153][  T825]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.835296][  T825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.835543][  T825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.835682][  T825]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.835820][  T825]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.835954][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.836179][  T825]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.836323][  T825]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.836470][  T825]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.836613][  T825]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.836841][  T825]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.836977][  T825]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.837146][  T825]  ? move_addr_to_kernel (net/socket.c:258)
[   29.837301][  T825]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.837537][  T825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.837676][  T825]  ___sys_sendmsg (net/socket.c:2752)
[   29.837817][  T825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.837984][  T825]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.838221][  T825]  __sys_sendmsg (net/socket.c:2784)
[   29.838370][  T825]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.838507][  T825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.838685][  T825]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.838907][  T825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.839045][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.839180][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.839331][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.839471][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.839645][  T825] RIP: 0033:0x7f3f796d008e
[   29.839792][  T825] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.840395][  T825] RSP: 002b:00007ffffb5854e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.840701][  T825] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3f796d008e
[   29.840905][  T825] RDX: 0000000000000000 RSI: 00007ffffb585590 RDI: 0000000000000005
[   29.841119][  T825] RBP: 00007ffffb5854f0 R08: 0000000000000000 R09: 0000000000000000
[   29.841431][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   29.841633][  T825] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffb585c60
| [   29.845653][  T825] ------------[ cut here ]------------
| [   29.845794][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/825
| [   29.846017][  T825] Modules linked in: netdevsim
| [   29.846633][  T825] Tainted: [W]=WARN
[   29.846734][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.846896][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.847068][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.847634][  T825] RSP: 0018:ffa0000001ee7190 EFLAGS: 00010286
[   29.847803][  T825] RAX: 00000000ffffffa6 RBX: ff1100000dffe1c0 RCX: 1ff40000003dcdf8
[   29.847996][  T825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffe270
[   29.848199][  T825] RBP: ff11000008c11000 R08: 1fe2200001bffc4f R09: ff1100000c270b58
[   29.848489][  T825] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.848684][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.848879][  T825] FS:  00007f3f79496840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   29.849106][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.849275][  T825] CR2: 000000000a754988 CR3: 000000000c1dc003 CR4: 0000000000771ef0
[   29.849505][  T825] PKRU: 55555554
[   29.849605][  T825] Call Trace:
[   29.849703][  T825]  <TASK>
[   29.849769][  T825]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.849932][  T825]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.850093][  T825]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.850236][  T825]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.850375][  T825]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.850536][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.850669][  T825]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.850798][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.850925][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.851055][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.851184][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.851317][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.851468][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.851598][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.851729][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.851858][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.851986][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.852114][  T825]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   29.852249][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.852382][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.852507][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.852633][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.852773][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.852901][  T825]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.853030][  T825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.853171][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.853302][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.853438][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.853563][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.853692][  T825]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.853821][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.853949][  T825]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.854080][  T825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.854207][  T825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.854348][  T825]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.854476][  T825]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.854604][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.854733][  T825]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.854868][  T825]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.854999][  T825]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.855135][  T825]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.855267][  T825]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.855400][  T825]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.855562][  T825]  ? move_addr_to_kernel (net/socket.c:258)
[   29.855690][  T825]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.855819][  T825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.855949][  T825]  ___sys_sendmsg (net/socket.c:2752)
[   29.856079][  T825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.856239][  T825]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.856386][  T825]  __sys_sendmsg (net/socket.c:2784)
[   29.856516][  T825]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.856645][  T825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.856805][  T825]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.856939][  T825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.857070][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.857198][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.857337][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.857465][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.857625][  T825] RIP: 0033:0x7f3f796d008e
[   29.857762][  T825] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.858214][  T825] RSP: 002b:00007ffffb5854e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.858424][  T825] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3f796d008e
[   29.858618][  T825] RDX: 0000000000000000 RSI: 00007ffffb585590 RDI: 0000000000000005
[   29.858808][  T825] RBP: 00007ffffb5854f0 R08: 0000000000000000 R09: 0000000000000000
[   29.859009][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   29.859199][  T825] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffb585c60
| [   29.923490][  T826] ------------[ cut here ]------------
| [   29.923750][  T826] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/826
| [   29.924118][  T826] Modules linked in: netdevsim
| [   29.924788][  T826] Tainted: [W]=WARN
[   29.924952][  T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.925221][  T826] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.925512][  T826] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.926275][  T826] RSP: 0018:ffa0000001ef7010 EFLAGS: 00010286
[   29.926543][  T826] RAX: 00000000ffffffa6 RBX: ff110000094a4dc0 RCX: 1ff40000003dedc8
[   29.926853][  T826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4e70
[   29.927162][  T826] RBP: ff11000008ec9000 R08: 1fe22000012949cf R09: ff1100000c272e80
[   29.927486][  T826] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   29.927798][  T826] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001ef7100
[   29.928117][  T826] FS:  00007f6e74079840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   29.928500][  T826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.928761][  T826] CR2: 00000000121d3988 CR3: 000000000c63b005 CR4: 0000000000771ef0
[   29.929081][  T826] PKRU: 55555554
[   29.929238][  T826] Call Trace:
[   29.929414][  T826]  <TASK>
[   29.929527][  T826]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.929745][  T826]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.929906][  T826]  netif_close_many (net/core/dev.c:1804)
[   29.930134][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.930363][  T826]  ? __dev_close_many (net/core/dev.c:1781)
[   29.930574][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.930784][  T826]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.930992][  T826]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.931202][  T826]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   29.931488][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.931700][  T826]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.931956][  T826]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.932165][  T826]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.932383][  T826]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.932649][  T826]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.932860][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.933087][  T826]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.933300][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.933511][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.933718][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.933923][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.934127][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.934420][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.934636][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.934840][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.935046][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.935257][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.935475][  T826]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   29.935686][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.935889][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.936099][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.936310][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.936531][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.936736][  T826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.936946][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.937156][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.937369][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.937576][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.937785][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.937995][  T826]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.938200][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.938427][  T826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.938639][  T826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.938838][  T826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.939052][  T826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.939264][  T826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.939485][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.939698][  T826]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.939908][  T826]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.940114][  T826]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.940335][  T826]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.940547][  T826]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.940751][  T826]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.941011][  T826]  ? move_addr_to_kernel (net/socket.c:258)
[   29.941219][  T826]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.941430][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.941636][  T826]  ___sys_sendmsg (net/socket.c:2752)
[   29.941845][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.942104][  T826]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.942353][  T826]  __sys_sendmsg (net/socket.c:2784)
[   29.942562][  T826]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.942768][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.943036][  T826]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.943242][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.943466][  T826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.943674][  T826]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.943886][  T826]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.944092][  T826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.944364][  T826] RIP: 0033:0x7f6e742b308e
[   29.944586][  T826] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.945336][  T826] RSP: 002b:00007ffe08859720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.945661][  T826] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6e742b308e
[   29.945978][  T826] RDX: 0000000000000000 RSI: 00007ffe088597d0 RDI: 0000000000000005
[   29.946285][  T826] RBP: 00007ffe08859730 R08: 0000000000000000 R09: 0000000000000000
[   29.946607][  T826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   29.946917][  T826] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe08859ea0
| [   29.951297][  T826] ------------[ cut here ]------------
| [   29.951465][  T826] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/826
| [   29.951705][  T826] Modules linked in: netdevsim
| [   29.952114][  T826] Tainted: [W]=WARN
[   29.952216][  T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.952409][  T826] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.952582][  T826] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.953051][  T826] RSP: 0018:ffa0000001ef7190 EFLAGS: 00010286
[   29.953215][  T826] RAX: 00000000ffffffa6 RBX: ff110000094a4940 RCX: 1ff40000003dedf8
[   29.953424][  T826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a49f0
[   29.953616][  T826] RBP: ff11000008ec9000 R08: 1fe220000129493f R09: ff1100000c272e58
[   29.953812][  T826] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.954001][  T826] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.954194][  T826] FS:  00007f6e74079840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   29.954445][  T826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.954621][  T826] CR2: 000000000a754988 CR3: 000000000c63b004 CR4: 0000000000771ef0
[   29.954820][  T826] PKRU: 55555554
[   29.954919][  T826] Call Trace:
[   29.955016][  T826]  <TASK>
[   29.955083][  T826]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.955259][  T826]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.955426][  T826]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.955555][  T826]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.955682][  T826]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.955841][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.955971][  T826]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.956101][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.956230][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.956370][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.956497][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.956623][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.956768][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.956899][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.957029][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.957157][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.957291][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.957426][  T826]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   29.957558][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.957686][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.957814][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.957941][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.958071][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.958200][  T826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.958342][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.958470][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.958597][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.958727][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.958855][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.958984][  T826]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.959116][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.959256][  T826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.959412][  T826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.959547][  T826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.959679][  T826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.959812][  T826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.959939][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.960073][  T826]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.960210][  T826]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.960356][  T826]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.960488][  T826]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.960620][  T826]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.960752][  T826]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.960911][  T826]  ? move_addr_to_kernel (net/socket.c:258)
[   29.961041][  T826]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.961177][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.961315][  T826]  ___sys_sendmsg (net/socket.c:2752)
[   29.961449][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.961619][  T826]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.961764][  T826]  __sys_sendmsg (net/socket.c:2784)
[   29.961895][  T826]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.962031][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.962199][  T826]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.962357][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.962488][  T826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.962618][  T826]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.962751][  T826]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.962881][  T826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.963043][  T826] RIP: 0033:0x7f6e742b308e
[   29.963185][  T826] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.963664][  T826] RSP: 002b:00007ffe08859720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.963860][  T826] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6e742b308e
[   29.964061][  T826] RDX: 0000000000000000 RSI: 00007ffe088597d0 RDI: 0000000000000005
[   29.964274][  T826] RBP: 00007ffe08859730 R08: 0000000000000000 R09: 0000000000000000
[   29.964475][  T826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   29.964671][  T826] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe08859ea0
| [   30.026265][  T827] ------------[ cut here ]------------
| [   30.026517][  T827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/827
| [   30.026872][  T827] Modules linked in: netdevsim
| [   30.027492][  T827] Tainted: [W]=WARN
[   30.027656][  T827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.027922][  T827] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.028210][  T827] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.028972][  T827] RSP: 0018:ffa0000001ee7010 EFLAGS: 00010286
[   30.029222][  T827] RAX: 00000000ffffffa6 RBX: ff11000004b0b6c0 RCX: 1ff40000003dcdc8
[   30.029522][  T827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b770
[   30.029782][  T827] RBP: ff1100000c191000 R08: 1fe22000009616ef R09: ff1100000c275180
[   30.030052][  T827] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   30.030350][  T827] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001ee7100
[   30.030634][  T827] FS:  00007f29bc38b840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   30.030949][  T827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.031198][  T827] CR2: 0000000003022988 CR3: 000000000c24f002 CR4: 0000000000771ef0
[   30.031501][  T827] PKRU: 55555554
[   30.031640][  T827] Call Trace:
[   30.031787][  T827]  <TASK>
[   30.031895][  T827]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.032090][  T827]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.032231][  T827]  netif_close_many (net/core/dev.c:1804)
[   30.032450][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.032666][  T827]  ? __dev_close_many (net/core/dev.c:1781)
[   30.032882][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.033099][  T827]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.033318][  T827]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.033543][  T827]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   30.033795][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.033980][  T827]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.034227][  T827]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.034744][  T827]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.034933][  T827]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.035154][  T827]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.035340][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.035529][  T827]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.035712][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.035912][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.036097][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.036286][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.036500][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.036751][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.036969][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.037186][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.037418][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.037602][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.037782][  T827]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   30.037970][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.038151][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.038344][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.038546][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.038735][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.038921][  T827]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.039118][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.039316][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.039523][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.039718][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.039915][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.040114][  T827]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.040317][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.040537][  T827]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.040760][  T827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.040973][  T827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.041193][  T827]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.041414][  T827]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.041604][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.041781][  T827]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.041960][  T827]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.042138][  T827]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.042322][  T827]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.042516][  T827]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.042714][  T827]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.042934][  T827]  ? move_addr_to_kernel (net/socket.c:258)
[   30.043117][  T827]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.043313][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.043524][  T827]  ___sys_sendmsg (net/socket.c:2752)
[   30.043728][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.043978][  T827]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.044188][  T827]  __sys_sendmsg (net/socket.c:2784)
[   30.044388][  T827]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.044569][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.044827][  T827]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.045040][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.045260][  T827]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.045481][  T827]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.045687][  T827]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.045872][  T827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.046102][  T827] RIP: 0033:0x7f29bc5c508e
[   30.046296][  T827] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.046964][  T827] RSP: 002b:00007fff7e58f930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.047280][  T827] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f29bc5c508e
[   30.047604][  T827] RDX: 0000000000000000 RSI: 00007fff7e58f9e0 RDI: 0000000000000005
[   30.047892][  T827] RBP: 00007fff7e58f940 R08: 0000000000000000 R09: 0000000000000000
[   30.048186][  T827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   30.048475][  T827] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7e5900b0
| [   30.053052][  T827] ------------[ cut here ]------------
| [   30.053268][  T827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/827
| [   30.053790][  T827] Modules linked in: netdevsim
| [   30.054316][  T827] Tainted: [W]=WARN
[   30.054576][  T827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.054791][  T827] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.055024][  T827] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.055771][  T827] RSP: 0018:ffa0000001ee7190 EFLAGS: 00010286
[   30.055988][  T827] RAX: 00000000ffffffa6 RBX: ff1100000ec1b0c0 RCX: 1ff40000003dcdf8
[   30.056256][  T827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1b170
[   30.056537][  T827] RBP: ff1100000c191000 R08: 1fe2200001d8362f R09: ff1100000c275158
[   30.056811][  T827] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.057076][  T827] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.057347][  T827] FS:  00007f29bc38b840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   30.057650][  T827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.057900][  T827] CR2: 0000000003022988 CR3: 000000000c24f002 CR4: 0000000000771ef0
[   30.058201][  T827] PKRU: 55555554
[   30.058370][  T827] Call Trace:
[   30.058519][  T827]  <TASK>
[   30.058624][  T827]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.058887][  T827]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.059121][  T827]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.059293][  T827]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.059473][  T827]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.059722][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.059908][  T827]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.060078][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.060256][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.060447][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.060629][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.060797][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.061008][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.061197][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.061384][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.061556][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.061751][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.061929][  T827]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   30.062099][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.062273][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.062449][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.062614][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.062800][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.063000][  T827]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.063199][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.063407][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.063604][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.063808][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.064005][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.064222][  T827]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.064436][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.064626][  T827]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.064812][  T827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.064983][  T827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.065154][  T827]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.065337][  T827]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.065512][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.065708][  T827]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.065887][  T827]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.066083][  T827]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.066269][  T827]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.066447][  T827]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.066628][  T827]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.066841][  T827]  ? move_addr_to_kernel (net/socket.c:258)
[   30.067019][  T827]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.067211][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.067398][  T827]  ___sys_sendmsg (net/socket.c:2752)
[   30.067567][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.067780][  T827]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.067979][  T827]  __sys_sendmsg (net/socket.c:2784)
[   30.068176][  T827]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.068387][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.068640][  T827]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.068845][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.069047][  T827]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.069253][  T827]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.069456][  T827]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.069634][  T827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.069855][  T827] RIP: 0033:0x7f29bc5c508e
[   30.070056][  T827] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.070736][  T827] RSP: 002b:00007fff7e58f930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.071018][  T827] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f29bc5c508e
[   30.071436][  T827] RDX: 0000000000000000 RSI: 00007fff7e58f9e0 RDI: 0000000000000005
[   30.071708][  T827] RBP: 00007fff7e58f940 R08: 0000000000000000 R09: 0000000000000000
[   30.072155][  T827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   30.072472][  T827] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7e5900b0
| [   30.200800][  T837] ------------[ cut here ]------------
| [   30.200998][  T837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/837
| [   30.201254][  T837] Modules linked in: netdevsim
| [   30.201733][  T837] Tainted: [W]=WARN
[   30.201842][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.202025][  T837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.202216][  T837] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.202759][  T837] RSP: 0018:ffa0000001f771b0 EFLAGS: 00010286
[   30.202952][  T837] RAX: 00000000ffffffa6 RBX: ff11000009111e40 RCX: 1ff40000003eedfc
[   30.203174][  T837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111ef0
[   30.203426][  T837] RBP: ff11000007e31000 R08: 1fe22000012223df R09: ff11000004d2aea8
[   30.203642][  T837] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.203862][  T837] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.204077][  T837] FS:  00007f44156e4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   30.204341][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.204524][  T837] CR2: 00000000004a77b8 CR3: 000000000dedb004 CR4: 0000000000771ef0
[   30.204739][  T837] PKRU: 55555554
[   30.204845][  T837] Call Trace:
[   30.204952][  T837]  <TASK>
[   30.205026][  T837]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.205169][  T837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.205317][  T837]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.205466][  T837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.205574][  T837]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   30.205711][  T837]  __dev_notify_flags (net/core/dev.c:9787)
[   30.205856][  T837]  ? netif_change_name (net/core/dev.c:1495)
[   30.206005][  T837]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.206183][  T837]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   30.206339][  T837]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   30.206488][  T837]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   30.206635][  T837]  ? __dev_get_by_name (net/core/dev.c:883)
[   30.206781][  T837]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   30.206929][  T837]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   30.207077][  T837]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.207221][  T837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.207372][  T837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.207514][  T837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.207653][  T837]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.207795][  T837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.207940][  T837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.208084][  T837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.208225][  T837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.208377][  T837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.208521][  T837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.208659][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.208800][  T837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.208940][  T837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.209085][  T837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.209227][  T837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.209382][  T837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.209531][  T837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.209675][  T837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.209822][  T837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.209969][  T837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.210114][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.210262][  T837]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.210411][  T837]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.210553][  T837]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.210701][  T837]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.210842][  T837]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.210983][  T837]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.211159][  T837]  ? move_addr_to_kernel (net/socket.c:258)
[   30.211306][  T837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.211454][  T837]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   30.211595][  T837]  ___sys_sendmsg (net/socket.c:2752)
[   30.211736][  T837]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   30.211876][  T837]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.212020][  T837]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   30.212164][  T837]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   30.212315][  T837]  __sys_sendmsg (net/socket.c:2784)
[   30.212463][  T837]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.212607][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.212753][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.212895][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.213040][  T837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.213183][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.213338][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.213520][  T837] RIP: 0033:0x7f441591e08e
[   30.213670][  T837] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.214176][  T837] RSP: 002b:00007ffcb9cb8b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.214405][  T837] RAX: ffffffffffffffda RBX: 00007ffcb9cb9320 RCX: 00007f441591e08e
[   30.214617][  T837] RDX: 0000000000000000 RSI: 00007ffcb9cb8c20 RDI: 0000000000000005
[   30.214830][  T837] RBP: 00007ffcb9cb8b80 R08: 0000000000000000 R09: 0000000000000000
[   30.215047][  T837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   30.215263][  T837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb9cb92f0
| [   30.255832][  T838] ------------[ cut here ]------------
| [   30.256135][  T838] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/838
| [   30.256600][  T838] Modules linked in: netdevsim
| [   30.257424][  T838] Tainted: [W]=WARN
[   30.257646][  T838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.257982][  T838] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.258346][  T838] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.259172][  T838] RSP: 0018:ffa0000001f87020 EFLAGS: 00010286
[   30.259687][  T838] RAX: 00000000ffffffa6 RBX: ff1100000dffec40 RCX: 1ff40000003f0dca
[   30.260215][  T838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffecf0
[   30.260764][  T838] RBP: ff11000007e31000 R08: 1fe2200001bffd9f R09: ff11000004d2d180
[   30.261149][  T838] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   30.261544][  T838] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.261933][  T838] FS:  00007fbdc8a91840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   30.262382][  T838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.262709][  T838] CR2: 00007fbdc8d611a0 CR3: 000000000df93001 CR4: 0000000000771ef0
[   30.263082][  T838] PKRU: 55555554
[   30.263303][  T838] Call Trace:
[   30.263532][  T838]  <TASK>
[   30.263698][  T838]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   30.263968][  T838]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.264257][  T838]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.264488][  T838]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.264756][  T838]  __dev_notify_flags (net/core/dev.c:9787)
[   30.265029][  T838]  ? netif_change_name (net/core/dev.c:1495)
[   30.265299][  T838]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.265581][  T838]  ? validate_linkmsg (net/core/rtnetlink.c:2745)
[   30.265846][  T838]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.266118][  T838]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   30.266415][  T838]  netif_change_flags (net/core/dev.c:9820)
[   30.266682][  T838]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.266951][  T838]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.267218][  T838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.267563][  T838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.267830][  T838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.268104][  T838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.268396][  T838]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.268662][  T838]  ? __kernel_text_address (kernel/extable.c:79)
[   30.268931][  T838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.269203][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.269494][  T838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.269758][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.270030][  T838]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.270301][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.270609][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.270880][  T838]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.271151][  T838]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.271443][  T838]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.271700][  T838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.271967][  T838]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.272255][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.272546][  T838]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.272817][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.273082][  T838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.273375][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.273642][  T838]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.273909][  T838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.274180][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.274474][  T838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.274740][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.275004][  T838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.275277][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.275556][  T838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.275821][  T838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.276087][  T838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.276387][  T838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.276657][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.276918][  T838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.277183][  T838]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.277474][  T838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.277740][  T838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.278010][  T838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.278278][  T838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.278567][  T838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.278848][  T838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.279114][  T838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.279403][  T838]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.279671][  T838]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.279955][  T838]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.280227][  T838]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.280524][  T838]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.280796][  T838]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.281121][  T838]  ? move_addr_to_kernel (net/socket.c:258)
[   30.281419][  T838]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.281678][  T838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.281946][  T838]  ___sys_sendmsg (net/socket.c:2752)
[   30.282209][  T838]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.282573][  T838]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.282859][  T838]  __sys_sendmsg (net/socket.c:2784)
[   30.283140][  T838]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.283426][  T838]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.283745][  T838]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.284007][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.284285][  T838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.284568][  T838]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.284842][  T838]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.285110][  T838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.285454][  T838] RIP: 0033:0x7fbdc8ccb08e
[   30.285735][  T838] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.286559][  T838] RSP: 002b:00007ffe4102db60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.286934][  T838] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbdc8ccb08e
[   30.287308][  T838] RDX: 0000000000000000 RSI: 00007ffe4102dc10 RDI: 0000000000000005
[   30.287697][  T838] RBP: 00007ffe4102db70 R08: 0000000000000000 R09: 0000000000000000
[   30.288075][  T838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   30.288451][  T838] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4102e2e0
| [   30.374705][  T840] ------------[ cut here ]------------
| [   30.374892][  T840] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/840
| [   30.375143][  T840] Modules linked in: netdevsim
| [   30.376035][  T840] Tainted: [W]=WARN
[   30.376145][  T840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.376407][  T840] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.376653][  T840] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.377156][  T840] RSP: 0018:ffa0000001fa71b0 EFLAGS: 00010286
[   30.377353][  T840] RAX: 00000000ffffffa6 RBX: ff1100000ec1a940 RCX: 1ff40000003f4dfc
[   30.377570][  T840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a9f0
[   30.377779][  T840] RBP: ff11000002841000 R08: 1fe2200001d8353f R09: ff1100000c2e0ba8
[   30.377989][  T840] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.378195][  T840] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.378416][  T840] FS:  00007f26c37de840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   30.378661][  T840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.378836][  T840] CR2: 00007f26c3aeff10 CR3: 0000000004c2a004 CR4: 0000000000771ef0
[   30.379050][  T840] PKRU: 55555554
[   30.379154][  T840] Call Trace:
[   30.379271][  T840]  <TASK>
[   30.379353][  T840]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.379498][  T840]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.379640][  T840]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.379783][  T840]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.379891][  T840]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   30.380032][  T840]  __dev_notify_flags (net/core/dev.c:9787)
[   30.380179][  T840]  ? netif_change_name (net/core/dev.c:1495)
[   30.380335][  T840]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.380510][  T840]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   30.380651][  T840]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   30.380793][  T840]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   30.380933][  T840]  ? __dev_get_by_name (net/core/dev.c:883)
[   30.381074][  T840]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   30.381219][  T840]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   30.381375][  T840]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.381523][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.381664][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.381806][  T840]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.381945][  T840]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.382085][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.382229][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.382387][  T840]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.382531][  T840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.382673][  T840]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.382815][  T840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.382953][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.383097][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.383236][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.383387][  T840]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.383528][  T840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.383671][  T840]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.383814][  T840]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.383954][  T840]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.384096][  T840]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.384236][  T840]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.384393][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.384535][  T840]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.384677][  T840]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.384820][  T840]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.384964][  T840]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.385106][  T840]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.385250][  T840]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.385430][  T840]  ? move_addr_to_kernel (net/socket.c:258)
[   30.385574][  T840]  ___sys_sendmsg (net/socket.c:2752)
[   30.385713][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.385857][  T840]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.386009][  T840]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   30.386152][  T840]  __sys_sendmsg (net/socket.c:2784)
[   30.386295][  T840]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.386449][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.386590][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.386731][  T840]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.386873][  T840]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.387014][  T840]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.387157][  T840]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.387345][  T840] RIP: 0033:0x7f26c3a1808e
[   30.387507][  T840] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.388005][  T840] RSP: 002b:00007ffdda088e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.388217][  T840] RAX: ffffffffffffffda RBX: 00007ffdda089600 RCX: 00007f26c3a1808e
[   30.388436][  T840] RDX: 0000000000000000 RSI: 00007ffdda088f00 RDI: 0000000000000005
[   30.388643][  T840] RBP: 00007ffdda088e60 R08: 0000000000000000 R09: 0000000000000000
[   30.388883][  T840] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   30.389094][  T840] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdda0895d0
| [   30.427504][  T841] ------------[ cut here ]------------
| [   30.427689][  T841] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/841
| [   30.427937][  T841] Modules linked in: netdevsim
| [   30.428385][  T841] Tainted: [W]=WARN
[   30.428492][  T841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.428666][  T841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.428846][  T841] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.429350][  T841] RSP: 0018:ffa0000001fb7020 EFLAGS: 00010286
[   30.429554][  T841] RAX: 00000000ffffffa6 RBX: ff1100000ec1bb40 RCX: 1ff40000003f6dca
[   30.429761][  T841] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1bbf0
[   30.429969][  T841] RBP: ff11000002841000 R08: 1fe2200001d8377f R09: ff1100000ae6ae80
[   30.430181][  T841] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   30.430401][  T841] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.430608][  T841] FS:  00007f8d6a4ac840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   30.430851][  T841] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.431030][  T841] CR2: 0000000013196988 CR3: 000000000ee67004 CR4: 0000000000771ef0
[   30.431240][  T841] PKRU: 55555554
[   30.431357][  T841] Call Trace:
[   30.431463][  T841]  <TASK>
[   30.431536][  T841]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.431679][  T841]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.431783][  T841]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.431923][  T841]  __dev_notify_flags (net/core/dev.c:9787)
[   30.432063][  T841]  ? netif_change_name (net/core/dev.c:1495)
[   30.432200][  T841]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.432346][  T841]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.432483][  T841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.432620][  T841]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   30.432760][  T841]  netif_change_flags (net/core/dev.c:9820)
[   30.432898][  T841]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.433038][  T841]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.433176][  T841]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.433458][  T841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.433594][  T841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.433728][  T841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.433863][  T841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.433997][  T841]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   30.434135][  T841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.434285][  T841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.434519][  T841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.434655][  T841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.434789][  T841]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.434925][  T841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.435065][  T841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.435201][  T841]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.435416][  T841]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.435647][  T841]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.435787][  T841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.435981][  T841]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.436168][  T841]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.436314][  T841]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.436523][  T841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.436665][  T841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.436800][  T841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.436937][  T841]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.437071][  T841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.437209][  T841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.437417][  T841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.437554][  T841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.437691][  T841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.437833][  T841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.437974][  T841]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.438171][  T841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.438402][  T841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.438538][  T841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.438678][  T841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.438819][  T841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.438962][  T841]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.439098][  T841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.439240][  T841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.439450][  T841]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.439586][  T841]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.439726][  T841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.439863][  T841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.440001][  T841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.440137][  T841]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.440284][  T841]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.440434][  T841]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.440575][  T841]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.440713][  T841]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.440854][  T841]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.441022][  T841]  ? move_addr_to_kernel (net/socket.c:258)
[   30.441159][  T841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.441303][  T841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.441445][  T841]  ___sys_sendmsg (net/socket.c:2752)
[   30.441582][  T841]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.441754][  T841]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.441902][  T841]  __sys_sendmsg (net/socket.c:2784)
[   30.442043][  T841]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.442178][  T841]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.442362][  T841]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.442522][  T841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.442662][  T841]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.442799][  T841]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.442936][  T841]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.443074][  T841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.443244][  T841] RIP: 0033:0x7f8d6a6e608e
[   30.443403][  T841] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.443891][  T841] RSP: 002b:00007ffeb713e010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.444102][  T841] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8d6a6e608e
[   30.444312][  T841] RDX: 0000000000000000 RSI: 00007ffeb713e0c0 RDI: 0000000000000005
[   30.444525][  T841] RBP: 00007ffeb713e020 R08: 0000000000000000 R09: 0000000000000000
[   30.444729][  T841] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   30.444934][  T841] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb713e790
| [   30.842802][  T859] ------------[ cut here ]------------
| [   30.842985][  T859] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/859
| [   30.843225][  T859] Modules linked in: netdevsim
| [   30.844109][  T859] Tainted: [W]=WARN
[   30.844213][  T859] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.844395][  T859] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.844595][  T859] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.845079][  T859] RSP: 0018:ffa0000002047010 EFLAGS: 00010286
[   30.845256][  T859] RAX: 00000000ffffffa6 RBX: ff11000004b76940 RCX: 1ff4000000408dc8
[   30.845462][  T859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b769f0
[   30.845664][  T859] RBP: ff11000007e31000 R08: 1fe220000096ed3f R09: ff1100000c718b80
[   30.845863][  T859] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   30.846061][  T859] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002047100
[   30.846266][  T859] FS:  00007fefb8b78840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   30.846508][  T859] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.846677][  T859] CR2: 0000000016a01988 CR3: 000000000c507002 CR4: 0000000000771ef0
[   30.846877][  T859] PKRU: 55555554
[   30.846979][  T859] Call Trace:
[   30.847084][  T859]  <TASK>
[   30.847154][  T859]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.847295][  T859]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.847413][  T859]  netif_close_many (net/core/dev.c:1804)
[   30.847548][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.847685][  T859]  ? __dev_close_many (net/core/dev.c:1781)
[   30.847826][  T859]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.847963][  T859]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.848101][  T859]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.848239][  T859]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   30.848428][  T859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.848569][  T859]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.848747][  T859]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.848890][  T859]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.849032][  T859]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.849214][  T859]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.849377][  T859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.849515][  T859]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.849655][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.849786][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.849921][  T859]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.850068][  T859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.850204][  T859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.850368][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.850503][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.850641][  T859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.850775][  T859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.850909][  T859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.851044][  T859]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   30.851182][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.851337][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.851480][  T859]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.851617][  T859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.851756][  T859]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.851892][  T859]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.852026][  T859]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.852159][  T859]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.852320][  T859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.852478][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.852613][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.852756][  T859]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.852891][  T859]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.853028][  T859]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.853172][  T859]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.853343][  T859]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.853479][  T859]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.853613][  T859]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.853745][  T859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.853885][  T859]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.854021][  T859]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.854159][  T859]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.854307][  T859]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.854455][  T859]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.854593][  T859]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.854763][  T859]  ? move_addr_to_kernel (net/socket.c:258)
[   30.854902][  T859]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.855040][  T859]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.855177][  T859]  ___sys_sendmsg (net/socket.c:2752)
[   30.855315][  T859]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.855492][  T859]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.855640][  T859]  __sys_sendmsg (net/socket.c:2784)
[   30.855774][  T859]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.855912][  T859]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.856079][  T859]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.856212][  T859]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.856355][  T859]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.856543][  T859]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.856718][  T859]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.856855][  T859]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.857022][  T859] RIP: 0033:0x7fefb8db208e
[   30.857172][  T859] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.857811][  T859] RSP: 002b:00007ffc088c57b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.858122][  T859] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fefb8db208e
[   30.858362][  T859] RDX: 0000000000000000 RSI: 00007ffc088c5860 RDI: 0000000000000005
[   30.858653][  T859] RBP: 00007ffc088c57c0 R08: 0000000000000000 R09: 0000000000000000
[   30.858899][  T859] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   30.859102][  T859] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc088c5f30
| [   30.862343][  T859] ------------[ cut here ]------------
| [   30.862487][  T859] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/859
| [   30.862717][  T859] Modules linked in: netdevsim
| [   30.863118][  T859] Tainted: [W]=WARN
[   30.863217][  T859] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.863492][  T859] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.863661][  T859] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.864215][  T859] RSP: 0018:ffa0000002047190 EFLAGS: 00010286
[   30.864477][  T859] RAX: 00000000ffffffa6 RBX: ff11000004b77240 RCX: 1ff4000000408df8
[   30.864667][  T859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b772f0
[   30.864861][  T859] RBP: ff11000007e31000 R08: 1fe220000096ee5f R09: ff1100000c718b58
[   30.865053][  T859] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.865245][  T859] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.865538][  T859] FS:  00007fefb8b78840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   30.865762][  T859] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.865923][  T859] CR2: 0000000016a01988 CR3: 000000000c507002 CR4: 0000000000771ef0
[   30.866112][  T859] PKRU: 55555554
[   30.866208][  T859] Call Trace:
[   30.866312][  T859]  <TASK>
[   30.866452][  T859]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.866616][  T859]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.866777][  T859]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.866906][  T859]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.867038][  T859]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.867197][  T859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.867394][  T859]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.867522][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.867648][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.867781][  T859]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.867908][  T859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.868033][  T859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.868175][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.868314][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.868482][  T859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.868609][  T859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.868738][  T859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.868869][  T859]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   30.869001][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.869127][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.869261][  T859]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.869394][  T859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.869530][  T859]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.869664][  T859]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.869799][  T859]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.869926][  T859]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.870052][  T859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.870181][  T859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.870315][  T859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.870455][  T859]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.870592][  T859]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.870723][  T859]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.870861][  T859]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.870992][  T859]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.871126][  T859]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.871264][  T859]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.871401][  T859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.871535][  T859]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.871664][  T859]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.871794][  T859]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.871927][  T859]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.872059][  T859]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.872188][  T859]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.872377][  T859]  ? move_addr_to_kernel (net/socket.c:258)
[   30.872505][  T859]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.872644][  T859]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.872837][  T859]  ___sys_sendmsg (net/socket.c:2752)
[   30.873022][  T859]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.873268][  T859]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.873509][  T859]  __sys_sendmsg (net/socket.c:2784)
[   30.873697][  T859]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.873898][  T859]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.874142][  T859]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.874309][  T859]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.874456][  T859]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.874585][  T859]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.874714][  T859]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.874844][  T859]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.875006][  T859] RIP: 0033:0x7fefb8db208e
[   30.875145][  T859] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.875630][  T859] RSP: 002b:00007ffc088c57b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.875824][  T859] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fefb8db208e
[   30.876018][  T859] RDX: 0000000000000000 RSI: 00007ffc088c5860 RDI: 0000000000000005
[   30.876213][  T859] RBP: 00007ffc088c57c0 R08: 0000000000000000 R09: 0000000000000000
[   30.876415][  T859] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   30.876608][  T859] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc088c5f30
| [   30.933722][  T860] ------------[ cut here ]------------
| [   30.933911][  T860] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/860
| [   30.934169][  T860] Modules linked in: netdevsim
| [   30.934625][  T860] Tainted: [W]=WARN
[   30.934730][  T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.934901][  T860] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.935093][  T860] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.935596][  T860] RSP: 0018:ffa0000002057010 EFLAGS: 00010286
[   30.935780][  T860] RAX: 00000000ffffffa6 RBX: ff11000009111cc0 RCX: 1ff400000040adc8
[   30.935997][  T860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111d70
[   30.936206][  T860] RBP: ff11000002841000 R08: 1fe22000012223af R09: ff1100000c048b80
[   30.936428][  T860] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   30.936639][  T860] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002057100
[   30.936843][  T860] FS:  00007f244703e840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   30.937084][  T860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.937266][  T860] CR2: 000000000434d988 CR3: 000000000ee6f001 CR4: 0000000000771ef0
[   30.937479][  T860] PKRU: 55555554
[   30.937582][  T860] Call Trace:
[   30.937693][  T860]  <TASK>
[   30.937768][  T860]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.937917][  T860]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.938029][  T860]  netif_close_many (net/core/dev.c:1804)
[   30.938174][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.938345][  T860]  ? __dev_close_many (net/core/dev.c:1781)
[   30.938491][  T860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.938636][  T860]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.938781][  T860]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.938921][  T860]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   30.939097][  T860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.939233][  T860]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.939906][  T860]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.940047][  T860]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.940209][  T860]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.940396][  T860]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.940533][  T860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.940670][  T860]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.940806][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.940940][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.941080][  T860]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.941213][  T860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.941360][  T860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.941515][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.941649][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.941786][  T860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.941924][  T860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.942060][  T860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.942200][  T860]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   30.942353][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.942492][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.942631][  T860]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.942770][  T860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.942905][  T860]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.943041][  T860]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.943185][  T860]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.943343][  T860]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.943488][  T860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.943632][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.943773][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.943918][  T860]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.944062][  T860]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.944204][  T860]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.944361][  T860]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.944502][  T860]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.944644][  T860]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.944787][  T860]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.944927][  T860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.945065][  T860]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.945202][  T860]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.945362][  T860]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.945501][  T860]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.945636][  T860]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.945771][  T860]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.945955][  T860]  ? move_addr_to_kernel (net/socket.c:258)
[   30.946091][  T860]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.946227][  T860]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.946376][  T860]  ___sys_sendmsg (net/socket.c:2752)
[   30.946510][  T860]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.946678][  T860]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.946832][  T860]  __sys_sendmsg (net/socket.c:2784)
[   30.946968][  T860]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.947106][  T860]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.947289][  T860]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.947436][  T860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.947572][  T860]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.947707][  T860]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.947843][  T860]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.947980][  T860]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.948148][  T860] RIP: 0033:0x7f244727808e
[   30.948299][  T860] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.948795][  T860] RSP: 002b:00007ffe58167030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.949003][  T860] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f244727808e
[   30.949211][  T860] RDX: 0000000000000000 RSI: 00007ffe581670e0 RDI: 0000000000000005
[   30.949427][  T860] RBP: 00007ffe58167040 R08: 0000000000000000 R09: 0000000000000000
[   30.949628][  T860] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   30.949834][  T860] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe581677b0
| [   30.953470][  T860] ------------[ cut here ]------------
| [   30.953634][  T860] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/860
| [   30.953860][  T860] Modules linked in: netdevsim
| [   30.954267][  T860] Tainted: [W]=WARN
[   30.954963][  T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.955125][  T860] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.955300][  T860] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.955760][  T860] RSP: 0018:ffa0000002057190 EFLAGS: 00010286
[   30.955924][  T860] RAX: 00000000ffffffa6 RBX: ff1100000b30e040 RCX: 1ff400000040adf8
[   30.956119][  T860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b30e0f0
[   30.956341][  T860] RBP: ff11000002841000 R08: 1fe2200001661c1f R09: ff1100000c048b58
[   30.956548][  T860] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.956743][  T860] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.956937][  T860] FS:  00007f244703e840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   30.957163][  T860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.957340][  T860] CR2: 000000000434d988 CR3: 000000000ee6f001 CR4: 0000000000771ef0
[   30.957535][  T860] PKRU: 55555554
[   30.957633][  T860] Call Trace:
[   30.957730][  T860]  <TASK>
[   30.957799][  T860]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.957961][  T860]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.958116][  T860]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.958254][  T860]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.958393][  T860]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.958551][  T860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.958685][  T860]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.958813][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.958941][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.959067][  T860]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.959194][  T860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.959324][  T860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.959479][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.959604][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.959732][  T860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.959860][  T860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.959989][  T860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.960117][  T860]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   30.960251][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.960387][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.960513][  T860]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.960643][  T860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.960775][  T860]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.960903][  T860]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.961044][  T860]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.961176][  T860]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.961309][  T860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.961447][  T860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.961574][  T860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.961707][  T860]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.961833][  T860]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.961961][  T860]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.962091][  T860]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.962222][  T860]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.962363][  T860]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.962491][  T860]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.962617][  T860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.962746][  T860]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.962875][  T860]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.963005][  T860]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.963135][  T860]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.963267][  T860]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.963401][  T860]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.963559][  T860]  ? move_addr_to_kernel (net/socket.c:258)
[   30.963687][  T860]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.963816][  T860]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.963946][  T860]  ___sys_sendmsg (net/socket.c:2752)
[   30.964073][  T860]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.964233][  T860]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.964388][  T860]  __sys_sendmsg (net/socket.c:2784)
[   30.964516][  T860]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.964654][  T860]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.964821][  T860]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.964947][  T860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.965074][  T860]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.965199][  T860]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.965345][  T860]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.965473][  T860]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.965631][  T860] RIP: 0033:0x7f244727808e
[   30.965769][  T860] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.966234][  T860] RSP: 002b:00007ffe58167030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.966433][  T860] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f244727808e
[   30.966622][  T860] RDX: 0000000000000000 RSI: 00007ffe581670e0 RDI: 0000000000000005
[   30.966810][  T860] RBP: 00007ffe58167040 R08: 0000000000000000 R09: 0000000000000000
[   30.966999][  T860] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   30.967190][  T860] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe581677b0
| [   31.091824][  T870] ------------[ cut here ]------------
| [   31.092011][  T870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/870
| [   31.092261][  T870] Modules linked in: netdevsim
| [   31.092758][  T870] Tainted: [W]=WARN
[   31.092864][  T870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.093037][  T870] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.093218][  T870] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.093721][  T870] RSP: 0018:ffa00000020d71b0 EFLAGS: 00010286
[   31.093896][  T870] RAX: 00000000ffffffa6 RBX: ff1100000add3240 RCX: 1ff400000041adfc
[   31.094101][  T870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000add32f0
[   31.094335][  T870] RBP: ff110000089ec000 R08: 1fe22000015ba65f R09: ff1100000ed0aea8
[   31.094549][  T870] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.094757][  T870] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.094965][  T870] FS:  00007f1823bd7840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   31.095208][  T870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.095393][  T870] CR2: 00000000004a77b8 CR3: 000000000efcf006 CR4: 0000000000771ef0
[   31.095600][  T870] PKRU: 55555554
[   31.095703][  T870] Call Trace:
[   31.095808][  T870]  <TASK>
[   31.095880][  T870]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.096023][  T870]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.096162][  T870]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.096305][  T870]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.096418][  T870]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   31.096559][  T870]  __dev_notify_flags (net/core/dev.c:9787)
[   31.096701][  T870]  ? netif_change_name (net/core/dev.c:1495)
[   31.096841][  T870]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   31.097013][  T870]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.097154][  T870]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   31.097300][  T870]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.097444][  T870]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.097583][  T870]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.097726][  T870]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.097872][  T870]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.098014][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.098151][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.098293][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.098440][  T870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.098577][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.098722][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.098862][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.099000][  T870]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.099139][  T870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.099283][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.099426][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.099569][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.099707][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.099846][  T870]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.099984][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.100122][  T870]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.100267][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.100414][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.100556][  T870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.100696][  T870]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.100834][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.100974][  T870]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.101116][  T870]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.101263][  T870]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.101409][  T870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.101549][  T870]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.101687][  T870]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.101858][  T870]  ? move_addr_to_kernel (net/socket.c:258)
[   31.102000][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.102142][  T870]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   31.102287][  T870]  ___sys_sendmsg (net/socket.c:2752)
[   31.102433][  T870]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   31.102572][  T870]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.102716][  T870]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   31.102863][  T870]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   31.103003][  T870]  __sys_sendmsg (net/socket.c:2784)
[   31.103142][  T870]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.103288][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.103438][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.103577][  T870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.103719][  T870]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.103858][  T870]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.103997][  T870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.104169][  T870] RIP: 0033:0x7f1823e1108e
[   31.104318][  T870] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.104823][  T870] RSP: 002b:00007ffd27e4ec30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.105037][  T870] RAX: ffffffffffffffda RBX: 00007ffd27e4f3e0 RCX: 00007f1823e1108e
[   31.105243][  T870] RDX: 0000000000000000 RSI: 00007ffd27e4ece0 RDI: 0000000000000005
[   31.105460][  T870] RBP: 00007ffd27e4ec40 R08: 0000000000000000 R09: 0000000000000000
[   31.105663][  T870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   31.105867][  T870] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd27e4f3b0
| [   31.138763][  T871] ------------[ cut here ]------------
| [   31.138942][  T871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/871
| [   31.139194][  T871] Modules linked in: netdevsim
| [   31.139629][  T871] Tainted: [W]=WARN
[   31.139734][  T871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.139907][  T871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.140087][  T871] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.140617][  T871] RSP: 0018:ffa00000020e7020 EFLAGS: 00010286
[   31.140797][  T871] RAX: 00000000ffffffa6 RBX: ff1100000add3b40 RCX: 1ff400000041cdca
[   31.141000][  T871] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000add3bf0
[   31.141206][  T871] RBP: ff110000089ec000 R08: 1fe22000015ba77f R09: ff1100000ed0d180
[   31.141428][  T871] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   31.141637][  T871] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.141843][  T871] FS:  00007fe7b6d2f840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   31.142081][  T871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.142257][  T871] CR2: 00007f1823ca4574 CR3: 000000000efdf002 CR4: 0000000000771ef0
[   31.142468][  T871] PKRU: 55555554
[   31.142572][  T871] Call Trace:
[   31.142675][  T871]  <TASK>
[   31.142747][  T871]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   31.142887][  T871]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.143024][  T871]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.143134][  T871]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.143274][  T871]  __dev_notify_flags (net/core/dev.c:9787)
[   31.143418][  T871]  ? netif_change_name (net/core/dev.c:1495)
[   31.143554][  T871]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.143690][  T871]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.143826][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.143965][  T871]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   31.144105][  T871]  netif_change_flags (net/core/dev.c:9820)
[   31.144242][  T871]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.144392][  T871]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.144530][  T871]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.144705][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.144846][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.144982][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.145118][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.145260][  T871]  ? __kernel_text_address (kernel/extable.c:79)
[   31.145403][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.145541][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.145687][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.145825][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.145964][  T871]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.146102][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.146236][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.146385][  T871]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.146522][  T871]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.146661][  T871]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.146796][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.146940][  T871]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.147079][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.147217][  T871]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.147364][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.147498][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.147633][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.147769][  T871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.147902][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.148041][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.148178][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.148317][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.148458][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.148595][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.148731][  T871]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.148867][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.149002][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.149135][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.149283][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.149426][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.149566][  T871]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.149701][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.149836][  T871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.149975][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.150113][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.150252][  T871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.150396][  T871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.150532][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.150669][  T871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.150805][  T871]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.150940][  T871]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.151080][  T871]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.151219][  T871]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.151365][  T871]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.151531][  T871]  ? move_addr_to_kernel (net/socket.c:258)
[   31.151671][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.151808][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.151947][  T871]  ___sys_sendmsg (net/socket.c:2752)
[   31.152086][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.152259][  T871]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.152419][  T871]  __sys_sendmsg (net/socket.c:2784)
[   31.152556][  T871]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.152692][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.152865][  T871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.153001][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.153138][  T871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.153287][  T871]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.153434][  T871]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.153571][  T871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.153749][  T871] RIP: 0033:0x7fe7b6f6908e
[   31.153895][  T871] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.154389][  T871] RSP: 002b:00007fff5d7c9b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.154606][  T871] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe7b6f6908e
[   31.154811][  T871] RDX: 0000000000000000 RSI: 00007fff5d7c9bc0 RDI: 0000000000000005
[   31.155021][  T871] RBP: 00007fff5d7c9b20 R08: 0000000000000000 R09: 0000000000000000
[   31.155224][  T871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   31.155438][  T871] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5d7ca290
| [   31.226164][  T873] ------------[ cut here ]------------
| [   31.226358][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/873
| [   31.226615][  T873] Modules linked in: netdevsim
| [   31.227051][  T873] Tainted: [W]=WARN
[   31.227159][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.227347][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.227529][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.228043][  T873] RSP: 0018:ffa00000021071b0 EFLAGS: 00010286
[   31.228219][  T873] RAX: 00000000ffffffa6 RBX: ff1100000dfff6c0 RCX: 1ff4000000420dfc
[   31.228479][  T873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff770
[   31.228736][  T873] RBP: ff110000088a9000 R08: 1fe2200001bffeef R09: ff1100000eff2ea8
[   31.228945][  T873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   31.229154][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.229388][  T873] FS:  00007f2cecb4c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   31.229648][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.229824][  T873] CR2: 00000000004a77b8 CR3: 000000000ece0001 CR4: 0000000000771ef0
[   31.230033][  T873] PKRU: 55555554
[   31.230140][  T873] Call Trace:
[   31.230246][  T873]  <TASK>
[   31.230324][  T873]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.230472][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.230613][  T873]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.230757][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.230863][  T873]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   31.231002][  T873]  __dev_notify_flags (net/core/dev.c:9787)
[   31.231144][  T873]  ? netif_change_name (net/core/dev.c:1495)
[   31.231310][  T873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   31.231579][  T873]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.231795][  T873]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   31.232010][  T873]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.232223][  T873]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.232451][  T873]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.232668][  T873]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.232887][  T873]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.233105][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.233314][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.233475][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.233613][  T873]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.233756][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.233900][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.234041][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.234179][  T873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.234335][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.234484][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.234629][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.234769][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.234939][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.235080][  T873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.235231][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.235427][  T873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.235641][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.235855][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.236070][  T873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.236259][  T873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.236411][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.236553][  T873]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.236692][  T873]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.236832][  T873]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.236977][  T873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.237121][  T873]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.237266][  T873]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.237443][  T873]  ? move_addr_to_kernel (net/socket.c:258)
[   31.237584][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.237724][  T873]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   31.237867][  T873]  ___sys_sendmsg (net/socket.c:2752)
[   31.238010][  T873]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   31.238155][  T873]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.238302][  T873]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   31.238449][  T873]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   31.238591][  T873]  __sys_sendmsg (net/socket.c:2784)
[   31.238731][  T873]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.238874][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.239018][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.239157][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.239308][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.239452][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.239592][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.239768][  T873] RIP: 0033:0x7f2cecd8608e
[   31.239916][  T873] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.240419][  T873] RSP: 002b:00007ffc5f081880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.240631][  T873] RAX: ffffffffffffffda RBX: 00007ffc5f082030 RCX: 00007f2cecd8608e
[   31.240837][  T873] RDX: 0000000000000000 RSI: 00007ffc5f081930 RDI: 0000000000000005
[   31.241044][  T873] RBP: 00007ffc5f081890 R08: 0000000000000000 R09: 0000000000000000
[   31.241259][  T873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   31.241494][  T873] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5f082000
| [   31.280425][  T874] ------------[ cut here ]------------
| [   31.280620][  T874] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/874
| [   31.280910][  T874] Modules linked in: netdevsim
| [   31.281398][  T874] Tainted: [W]=WARN
[   31.281509][  T874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.281682][  T874] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.281883][  T874] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.282414][  T874] RSP: 0018:ffa0000002107020 EFLAGS: 00010286
[   31.282605][  T874] RAX: 00000000ffffffa6 RBX: ff110000094a5240 RCX: 1ff4000000420dca
[   31.282825][  T874] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a52f0
[   31.283056][  T874] RBP: ff110000088a9000 R08: 1fe2200001294a5f R09: ff1100000eff5180
[   31.283278][  T874] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   31.283513][  T874] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.283734][  T874] FS:  00007f807d5cd840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   31.283981][  T874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.284160][  T874] CR2: 00000000129c4988 CR3: 000000000efef004 CR4: 0000000000771ef0
[   31.284385][  T874] PKRU: 55555554
[   31.284497][  T874] Call Trace:
[   31.284608][  T874]  <TASK>
[   31.284681][  T874]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.284838][  T874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.284945][  T874]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.285084][  T874]  __dev_notify_flags (net/core/dev.c:9787)
[   31.285223][  T874]  ? netif_change_name (net/core/dev.c:1495)
[   31.285436][  T874]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.285585][  T874]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.285812][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.285957][  T874]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   31.286103][  T874]  netif_change_flags (net/core/dev.c:9820)
[   31.286255][  T874]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.286459][  T874]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.286599][  T874]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.286768][  T874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.286914][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.287123][  T874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.287281][  T874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.287512][  T874]  ? __kernel_text_address (kernel/extable.c:79)
[   31.287658][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.287810][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.287948][  T874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.288124][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.288453][  T874]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.288597][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.288734][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.288870][  T874]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.289008][  T874]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.289147][  T874]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.289292][  T874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.289522][  T874]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.289661][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.289810][  T874]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.289950][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.290086][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.290226][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.290459][  T874]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.290596][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.290734][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.290873][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.291008][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.291142][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.291287][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.291519][  T874]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.291721][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.291924][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.292126][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.292361][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.292516][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.292658][  T874]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.292797][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.292936][  T874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.293086][  T874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.293223][  T874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.293382][  T874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.293527][  T874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.293663][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.293803][  T874]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.293939][  T874]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.294078][  T874]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.294221][  T874]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.294372][  T874]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.294512][  T874]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.294747][  T874]  ? move_addr_to_kernel (net/socket.c:258)
[   31.294898][  T874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.295035][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.295173][  T874]  ___sys_sendmsg (net/socket.c:2752)
[   31.295316][  T874]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.295499][  T874]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.295652][  T874]  __sys_sendmsg (net/socket.c:2784)
[   31.295788][  T874]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.295929][  T874]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.296111][  T874]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.296248][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.296402][  T874]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.296543][  T874]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.296686][  T874]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.296827][  T874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.297001][  T874] RIP: 0033:0x7f807d80708e
[   31.297152][  T874] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.297653][  T874] RSP: 002b:00007ffd816bf4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.297868][  T874] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f807d80708e
[   31.298079][  T874] RDX: 0000000000000000 RSI: 00007ffd816bf550 RDI: 0000000000000005
[   31.298293][  T874] RBP: 00007ffd816bf4b0 R08: 0000000000000000 R09: 0000000000000000
[   31.298511][  T874] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf75
[   31.298723][  T874] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd816bfc20
| [   32.402273][  T916] ------------[ cut here ]------------
| [   32.403252][  T916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/916
| [   32.403664][  T916] Modules linked in: netdevsim
| [   32.404349][  T916] Tainted: [W]=WARN
[   32.404517][  T916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.404792][  T916] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.405083][  T916] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.405863][  T916] RSP: 0018:ffa00000022c7010 EFLAGS: 00010286
[   32.406136][  T916] RAX: 00000000ffffffa6 RBX: ff11000004f93e40 RCX: 1ff4000000458dc8
[   32.406476][  T916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93ef0
[   32.406798][  T916] RBP: ff110000089ec000 R08: 1fe22000009f27df R09: ff11000004f80b80
[   32.407120][  T916] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   32.407483][  T916] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000022c7100
[   32.407810][  T916] FS:  00007f94e7a76840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   32.408189][  T916] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.408481][  T916] CR2: 0000000034707988 CR3: 0000000004b27006 CR4: 0000000000771ef0
[   32.408806][  T916] PKRU: 55555554
[   32.408953][  T916] Call Trace:
[   32.409118][  T916]  <TASK>
[   32.409239][  T916]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.409487][  T916]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.409681][  T916]  netif_close_many (net/core/dev.c:1804)
[   32.409895][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.410111][  T916]  ? __dev_close_many (net/core/dev.c:1781)
[   32.410339][  T916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.410559][  T916]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.410779][  T916]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.410993][  T916]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   32.411269][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.411500][  T916]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.411768][  T916]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.411985][  T916]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.412198][  T916]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.412480][  T916]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.412700][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.412923][  T916]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.413142][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.413372][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.413583][  T916]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.413798][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.414013][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.414266][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.414496][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.414719][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.414938][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.415153][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.415384][  T916]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   32.415605][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.415823][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.416040][  T916]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.416251][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.416482][  T916]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.416696][  T916]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.417070][  T916]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.417289][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.417509][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.417730][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.418103][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.418324][  T916]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.418547][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.418761][  T916]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.419141][  T916]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.419375][  T916]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.419595][  T916]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.419821][  T916]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.420185][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.420424][  T916]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.420644][  T916]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.420864][  T916]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.421242][  T916]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.421475][  T916]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.421687][  T916]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.422109][  T916]  ? move_addr_to_kernel (net/socket.c:258)
[   32.422343][  T916]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.422563][  T916]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.422783][  T916]  ___sys_sendmsg (net/socket.c:2752)
[   32.423149][  T916]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.423432][  T916]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.423671][  T916]  __sys_sendmsg (net/socket.c:2784)
[   32.423890][  T916]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.424265][  T916]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.424550][  T916]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.424766][  T916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.424969][  T916]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.425353][  T916]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.425570][  T916]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.425789][  T916]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.426060][  T916] RIP: 0033:0x7f94e7cb008e
[   32.426471][  T916] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.427426][  T916] RSP: 002b:00007ffdd7fac090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.427757][  T916] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94e7cb008e
[   32.428078][  T916] RDX: 0000000000000000 RSI: 00007ffdd7fac140 RDI: 0000000000000005
[   32.428569][  T916] RBP: 00007ffdd7fac0a0 R08: 0000000000000000 R09: 0000000000000000
[   32.428900][  T916] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf76
[   32.429223][  T916] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd7fac810
| [   32.435061][  T916] ------------[ cut here ]------------
| [   32.435279][  T916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/916
| [   32.435895][  T916] Modules linked in: netdevsim
| [   32.436672][  T916] Tainted: [W]=WARN
[   32.436830][  T916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.437084][  T916] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.437451][  T916] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.438173][  T916] RSP: 0018:ffa00000022c7190 EFLAGS: 00010286
[   32.438595][  T916] RAX: 00000000ffffffa6 RBX: ff1100000dfff240 RCX: 1ff4000000458df8
[   32.438893][  T916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff2f0
[   32.439193][  T916] RBP: ff110000089ec000 R08: 1fe2200001bffe5f R09: ff11000004f80b58
[   32.439664][  T916] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.439969][  T916] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.440430][  T916] FS:  00007f94e7a76840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   32.440778][  T916] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.441035][  T916] CR2: 0000000034707988 CR3: 0000000004b27006 CR4: 0000000000771ef0
[   32.441501][  T916] PKRU: 55555554
[   32.441652][  T916] Call Trace:
[   32.441789][  T916]  <TASK>
[   32.441893][  T916]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.442148][  T916]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.442554][  T916]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.442754][  T916]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.442973][  T916]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.443388][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.443594][  T916]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.443796][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.443997][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.444356][  T916]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.444556][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.444757][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.444997][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.445352][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.445556][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.445753][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.445955][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.446308][  T916]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   32.446524][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.446723][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.446946][  T916]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.447297][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.447521][  T916]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.447724][  T916]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.447931][  T916]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.448282][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.448497][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.448704][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.448909][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.449264][  T916]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.449482][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.449690][  T916]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.449903][  T916]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.450242][  T916]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.450470][  T916]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.450678][  T916]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.450881][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.451238][  T916]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.451456][  T916]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.451658][  T916]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.451867][  T916]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.452217][  T916]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.452440][  T916]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.452695][  T916]  ? move_addr_to_kernel (net/socket.c:258)
[   32.452902][  T916]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.453243][  T916]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.453466][  T916]  ___sys_sendmsg (net/socket.c:2752)
[   32.453669][  T916]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.453935][  T916]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.454307][  T916]  __sys_sendmsg (net/socket.c:2784)
[   32.454525][  T916]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.454729][  T916]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.454995][  T916]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.455197][  T916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.455420][  T916]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.455620][  T916]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.455957][  T916]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.456170][  T916]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.456435][  T916] RIP: 0033:0x7f94e7cb008e
[   32.456648][  T916] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.457548][  T916] RSP: 002b:00007ffdd7fac090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.458008][  T916] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94e7cb008e
[   32.458323][  T916] RDX: 0000000000000000 RSI: 00007ffdd7fac140 RDI: 0000000000000005
[   32.458636][  T916] RBP: 00007ffdd7fac0a0 R08: 0000000000000000 R09: 0000000000000000
[   32.459071][  T916] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf76
[   32.459389][  T916] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd7fac810
| [   32.534654][  T917] ------------[ cut here ]------------
| [   32.534857][  T917] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/917
| [   32.535158][  T917] Modules linked in: netdevsim
| [   32.535680][  T917] Tainted: [W]=WARN
[   32.535803][  T917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.536005][  T917] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.536213][  T917] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.536772][  T917] RSP: 0018:ffa00000022c7010 EFLAGS: 00010286
[   32.536976][  T917] RAX: 00000000ffffffa6 RBX: ff110000094a41c0 RCX: 1ff4000000458dc8
[   32.537209][  T917] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4270
[   32.537450][  T917] RBP: ff110000088a9000 R08: 1fe220000129484f R09: ff11000004f82e80
[   32.537687][  T917] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   32.537915][  T917] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000022c7100
[   32.538153][  T917] FS:  00007f63a766b840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   32.538765][  T917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.538969][  T917] CR2: 000000002b829988 CR3: 000000000ee77003 CR4: 0000000000771ef0
[   32.539220][  T917] PKRU: 55555554
[   32.539341][  T917] Call Trace:
[   32.539444][  T917]  <TASK>
[   32.539523][  T917]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.539664][  T917]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.539772][  T917]  netif_close_many (net/core/dev.c:1804)
[   32.539918][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.540066][  T917]  ? __dev_close_many (net/core/dev.c:1781)
[   32.540213][  T917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.540368][  T917]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.540508][  T917]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.540643][  T917]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   32.540817][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.540958][  T917]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.541126][  T917]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.541267][  T917]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.542059][  T917]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.542232][  T917]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.542435][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.542574][  T917]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.542715][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.542851][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.542986][  T917]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.543121][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.543261][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.543509][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.543645][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.543783][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.543918][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.544052][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.544194][  T917]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   32.544344][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.544479][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.544616][  T917]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.544757][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.544896][  T917]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.545035][  T917]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.545174][  T917]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.545316][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.545457][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.545604][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.545741][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.545880][  T917]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.546016][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.546155][  T917]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.546297][  T917]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.546439][  T917]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.546577][  T917]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.546717][  T917]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.546858][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.546997][  T917]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.547132][  T917]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.547272][  T917]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.547413][  T917]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.547548][  T917]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.547692][  T917]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.547860][  T917]  ? move_addr_to_kernel (net/socket.c:258)
[   32.547999][  T917]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.548136][  T917]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.548278][  T917]  ___sys_sendmsg (net/socket.c:2752)
[   32.548419][  T917]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.548588][  T917]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.548737][  T917]  __sys_sendmsg (net/socket.c:2784)
[   32.548872][  T917]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.549011][  T917]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.549184][  T917]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.549324][  T917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.549465][  T917]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.549600][  T917]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.549736][  T917]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.549876][  T917]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.550049][  T917] RIP: 0033:0x7f63a78a508e
[   32.550193][  T917] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.550704][  T917] RSP: 002b:00007ffd2ad6aa40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.550911][  T917] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f63a78a508e
[   32.551119][  T917] RDX: 0000000000000000 RSI: 00007ffd2ad6aaf0 RDI: 0000000000000005
[   32.551330][  T917] RBP: 00007ffd2ad6aa50 R08: 0000000000000000 R09: 0000000000000000
[   32.551540][  T917] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf76
[   32.551744][  T917] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2ad6b1c0
| [   32.555524][  T917] ------------[ cut here ]------------
| [   32.555744][  T917] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/917
| [   32.556101][  T917] Modules linked in: netdevsim
| [   32.556732][  T917] Tainted: [W]=WARN
[   32.556883][  T917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.557140][  T917] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.557437][  T917] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.558143][  T917] RSP: 0018:ffa00000022c7190 EFLAGS: 00010286
[   32.558420][  T917] RAX: 00000000ffffffa6 RBX: ff1100000ec1a7c0 RCX: 1ff4000000458df8
[   32.558718][  T917] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1a870
[   32.559017][  T917] RBP: ff110000088a9000 R08: 1fe2200001d8350f R09: ff11000004f82e58
[   32.559322][  T917] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.559635][  T917] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.559937][  T917] FS:  00007f63a766b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   32.560300][  T917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.560562][  T917] CR2: 0000000034707988 CR3: 000000000ee77001 CR4: 0000000000771ef0
[   32.560865][  T917] PKRU: 55555554
[   32.561017][  T917] Call Trace:
[   32.561165][  T917]  <TASK>
[   32.561275][  T917]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.561547][  T917]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.561792][  T917]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.561991][  T917]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.562192][  T917]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.562462][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.562667][  T917]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.562864][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.563062][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.563267][  T917]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.563482][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.563685][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.563923][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.564120][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.564323][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.564531][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.564732][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.564935][  T917]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   32.565139][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.565351][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.565551][  T917]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.565748][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.565945][  T917]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.566145][  T917]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.566353][  T917]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.566559][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.566758][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.566962][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.567160][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.567379][  T917]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.567578][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.567781][  T917]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.567986][  T917]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.568181][  T917]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.568399][  T917]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.568600][  T917]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.568798][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.569000][  T917]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.569204][  T917]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.569429][  T917]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.569634][  T917]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.569832][  T917]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.570032][  T917]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.570279][  T917]  ? move_addr_to_kernel (net/socket.c:258)
[   32.570492][  T917]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.570690][  T917]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.570896][  T917]  ___sys_sendmsg (net/socket.c:2752)
[   32.571096][  T917]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.571359][  T917]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.571584][  T917]  __sys_sendmsg (net/socket.c:2784)
[   32.571783][  T917]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.571982][  T917]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.572237][  T917]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.572458][  T917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.572661][  T917]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.572857][  T917]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.573052][  T917]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.573253][  T917]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.573517][  T917] RIP: 0033:0x7f63a78a508e
[   32.573729][  T917] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.574475][  T917] RSP: 002b:00007ffd2ad6aa40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.574788][  T917] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f63a78a508e
[   32.575084][  T917] RDX: 0000000000000000 RSI: 00007ffd2ad6aaf0 RDI: 0000000000000005
[   32.575396][  T917] RBP: 00007ffd2ad6aa50 R08: 0000000000000000 R09: 0000000000000000
[   32.575695][  T917] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf76
[   32.575996][  T917] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2ad6b1c0
| [   32.726368][  T927] ------------[ cut here ]------------
| [   32.726565][  T927] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/927
| [   32.726818][  T927] Modules linked in: netdevsim
| [   32.727255][  T927] Tainted: [W]=WARN
[   32.728012][  T927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.728189][  T927] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.728382][  T927] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.728877][  T927] RSP: 0018:ffa00000023471b0 EFLAGS: 00010286
[   32.729052][  T927] RAX: 00000000ffffffa6 RBX: ff1100000ec1b9c0 RCX: 1ff4000000468dfc
[   32.729255][  T927] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1ba70
[   32.729482][  T927] RBP: ff110000088b1000 R08: 1fe2200001d8374f R09: ff1100000c2951a8
[   32.729733][  T927] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.729950][  T927] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.730159][  T927] FS:  00007fb489657840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   32.730415][  T927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.730595][  T927] CR2: 00000000004a77b8 CR3: 000000000c0e7005 CR4: 0000000000771ef0
[   32.730806][  T927] PKRU: 55555554
[   32.730911][  T927] Call Trace:
[   32.731017][  T927]  <TASK>
[   32.731091][  T927]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.731232][  T927]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.731391][  T927]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.731531][  T927]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.731636][  T927]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   32.731774][  T927]  __dev_notify_flags (net/core/dev.c:9787)
[   32.731920][  T927]  ? netif_change_name (net/core/dev.c:1495)
[   32.732068][  T927]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.732249][  T927]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.732419][  T927]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   32.732562][  T927]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.732705][  T927]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.732846][  T927]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.733003][  T927]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.733151][  T927]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.733301][  T927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.733448][  T927]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.733589][  T927]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.733730][  T927]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.733871][  T927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.734022][  T927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.734166][  T927]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.734314][  T927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.734460][  T927]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.734601][  T927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.734740][  T927]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.734885][  T927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.735023][  T927]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.735171][  T927]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.735315][  T927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.735462][  T927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.735605][  T927]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.735742][  T927]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.735883][  T927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.736020][  T927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.736158][  T927]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.736303][  T927]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.736449][  T927]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.736596][  T927]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.736745][  T927]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.736893][  T927]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.737034][  T927]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.737210][  T927]  ? move_addr_to_kernel (net/socket.c:258)
[   32.737360][  T927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.737499][  T927]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   32.737638][  T927]  ___sys_sendmsg (net/socket.c:2752)
[   32.737775][  T927]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   32.737913][  T927]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.738057][  T927]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   32.738204][  T927]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   32.738361][  T927]  __sys_sendmsg (net/socket.c:2784)
[   32.738499][  T927]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.738641][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.738778][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.738921][  T927]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.739061][  T927]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.739210][  T927]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.739369][  T927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.739551][  T927] RIP: 0033:0x7fb48989108e
[   32.739700][  T927] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.740197][  T927] RSP: 002b:00007ffe589477e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.740417][  T927] RAX: ffffffffffffffda RBX: 00007ffe58947f90 RCX: 00007fb48989108e
[   32.740625][  T927] RDX: 0000000000000000 RSI: 00007ffe58947890 RDI: 0000000000000005
[   32.740834][  T927] RBP: 00007ffe589477f0 R08: 0000000000000000 R09: 0000000000000000
[   32.741043][  T927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf76
[   32.741247][  T927] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe58947f60
| [   32.780982][  T928] ------------[ cut here ]------------
| [   32.781244][  T928] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/928
| [   32.781742][  T928] Modules linked in: netdevsim
| [   32.782576][  T928] Tainted: [W]=WARN
[   32.782740][  T928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.783009][  T928] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.783302][  T928] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.784205][  T928] RSP: 0018:ffa0000002357020 EFLAGS: 00010286
[   32.784645][  T928] RAX: 00000000ffffffa6 RBX: ff11000004ec1540 RCX: 1ff400000046adca
[   32.784969][  T928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec15f0
[   32.785291][  T928] RBP: ff110000088b1000 R08: 1fe22000009d82bf R09: ff11000004d95180
[   32.785676][  T928] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   32.785996][  T928] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.786323][  T928] FS:  00007f96d1aef840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   32.786702][  T928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.786969][  T928] CR2: 0000000001ead988 CR3: 000000000dd37001 CR4: 0000000000771ef0
[   32.787296][  T928] PKRU: 55555554
[   32.787469][  T928] Call Trace:
[   32.787629][  T928]  <TASK>
[   32.787743][  T928]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.787966][  T928]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.788131][  T928]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.788359][  T928]  __dev_notify_flags (net/core/dev.c:9787)
[   32.788576][  T928]  ? netif_change_name (net/core/dev.c:1495)
[   32.788792][  T928]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.789004][  T928]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.789212][  T928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.789447][  T928]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   32.789667][  T928]  netif_change_flags (net/core/dev.c:9820)
[   32.789887][  T928]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.790107][  T928]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.790338][  T928]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.790602][  T928]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.790817][  T928]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.791033][  T928]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.791247][  T928]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.791478][  T928]  ? __kernel_text_address (kernel/extable.c:79)
[   32.791694][  T928]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.791914][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.792129][  T928]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.792363][  T928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.792579][  T928]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.792791][  T928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.793005][  T928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.793218][  T928]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.793447][  T928]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   32.793660][  T928]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.793871][  T928]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.794089][  T928]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.794315][  T928]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.794543][  T928]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.794759][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.794971][  T928]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.795183][  T928]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.795408][  T928]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.795618][  T928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.795842][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.796054][  T928]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.796271][  T928]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.796493][  T928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.796712][  T928]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.796926][  T928]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.797138][  T928]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.797370][  T928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.797587][  T928]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.797806][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.798015][  T928]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.798230][  T928]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.798458][  T928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.798672][  T928]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.798894][  T928]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.799115][  T928]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.799348][  T928]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.799564][  T928]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.799776][  T928]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.799996][  T928]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.800213][  T928]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.800443][  T928]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.800661][  T928]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.800876][  T928]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.801091][  T928]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.801371][  T928]  ? move_addr_to_kernel (net/socket.c:258)
[   32.801587][  T928]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.801799][  T928]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.802016][  T928]  ___sys_sendmsg (net/socket.c:2752)
[   32.802227][  T928]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.802512][  T928]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.802749][  T928]  __sys_sendmsg (net/socket.c:2784)
[   32.802962][  T928]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.803175][  T928]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.803464][  T928]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.803682][  T928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.803898][  T928]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.804111][  T928]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.804335][  T928]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.804551][  T928]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.804818][  T928] RIP: 0033:0x7f96d1d2908e
[   32.805049][  T928] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.805831][  T928] RSP: 002b:00007ffe21ed6c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.806156][  T928] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f96d1d2908e
[   32.806496][  T928] RDX: 0000000000000000 RSI: 00007ffe21ed6cb0 RDI: 0000000000000005
[   32.806816][  T928] RBP: 00007ffe21ed6c10 R08: 0000000000000000 R09: 0000000000000000
[   32.807143][  T928] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf77
[   32.807480][  T928] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe21ed7380
| [   32.893294][  T930] ------------[ cut here ]------------
| [   32.893487][  T930] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/930
| [   32.893740][  T930] Modules linked in: netdevsim
| [   32.894178][  T930] Tainted: [W]=WARN
[   32.894292][  T930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.894478][  T930] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.894664][  T930] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.895163][  T930] RSP: 0018:ffa00000023771b0 EFLAGS: 00010286
[   32.895352][  T930] RAX: 00000000ffffffa6 RBX: ff1100000dfff840 RCX: 1ff400000046edfc
[   32.895562][  T930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff8f0
[   32.895774][  T930] RBP: ff11000008104000 R08: 1fe2200001bfff1f R09: ff1100000c272ea8
[   32.895992][  T930] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.896205][  T930] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.896425][  T930] FS:  00007f927364d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   32.896675][  T930] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.896853][  T930] CR2: 00000000004a77b8 CR3: 000000000c63e003 CR4: 0000000000771ef0
[   32.897063][  T930] PKRU: 55555554
[   32.897169][  T930] Call Trace:
[   32.897278][  T930]  <TASK>
[   32.897358][  T930]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.897501][  T930]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.897642][  T930]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.897785][  T930]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.897893][  T930]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   32.898034][  T930]  __dev_notify_flags (net/core/dev.c:9787)
[   32.898177][  T930]  ? netif_change_name (net/core/dev.c:1495)
[   32.898325][  T930]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.898509][  T930]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.898655][  T930]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   32.898799][  T930]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.898939][  T930]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.899080][  T930]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.899226][  T930]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.899379][  T930]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.899521][  T930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.899669][  T930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.899816][  T930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.899956][  T930]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.900094][  T930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.900238][  T930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.900388][  T930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.900528][  T930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.900668][  T930]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.900808][  T930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.900950][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.901091][  T930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.901229][  T930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.901378][  T930]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.901521][  T930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.901662][  T930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.901806][  T930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.901949][  T930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.902092][  T930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.902232][  T930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.902379][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.902520][  T930]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.902661][  T930]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.902802][  T930]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.902946][  T930]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.903089][  T930]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.903232][  T930]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.903421][  T930]  ? move_addr_to_kernel (net/socket.c:258)
[   32.903562][  T930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.903703][  T930]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   32.903843][  T930]  ___sys_sendmsg (net/socket.c:2752)
[   32.903981][  T930]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   32.904122][  T930]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.904272][  T930]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   32.904423][  T930]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   32.904566][  T930]  __sys_sendmsg (net/socket.c:2784)
[   32.904710][  T930]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.904853][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.904993][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.905133][  T930]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.905289][  T930]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.905435][  T930]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.905576][  T930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.905751][  T930] RIP: 0033:0x7f927388708e
[   32.905898][  T930] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.906405][  T930] RSP: 002b:00007ffd2261c1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.906620][  T930] RAX: ffffffffffffffda RBX: 00007ffd2261c970 RCX: 00007f927388708e
[   32.906830][  T930] RDX: 0000000000000000 RSI: 00007ffd2261c270 RDI: 0000000000000005
[   32.907036][  T930] RBP: 00007ffd2261c1d0 R08: 0000000000000000 R09: 0000000000000000
[   32.907247][  T930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf77
[   32.907466][  T930] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2261c940
| [   32.947031][  T931] ------------[ cut here ]------------
| [   32.947352][  T931] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/931
| [   32.947798][  T931] Modules linked in: netdevsim
| [   32.948587][  T931] Tainted: [W]=WARN
[   32.948804][  T931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.949135][  T931] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.949501][  T931] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.950310][  T931] RSP: 0018:ffa0000002387020 EFLAGS: 00010286
[   32.950646][  T931] RAX: 00000000ffffffa6 RBX: ff11000009110940 RCX: 1ff4000000470dca
[   32.951019][  T931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091109f0
[   32.951587][  T931] RBP: ff11000008104000 R08: 1fe220000122213f R09: ff1100000c275180
[   32.952100][  T931] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   32.952565][  T931] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.952939][  T931] FS:  00007fe5c29ca840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   32.953398][  T931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.953732][  T931] CR2: 000000000f39e988 CR3: 000000000ddad003 CR4: 0000000000771ef0
[   32.954100][  T931] PKRU: 55555554
[   32.954321][  T931] Call Trace:
[   32.954554][  T931]  <TASK>
[   32.954719][  T931]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   32.954997][  T931]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.955278][  T931]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.955509][  T931]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.955776][  T931]  __dev_notify_flags (net/core/dev.c:9787)
[   32.956048][  T931]  ? netif_change_name (net/core/dev.c:1495)
[   32.956343][  T931]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.956618][  T931]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.956886][  T931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.957156][  T931]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   32.957451][  T931]  netif_change_flags (net/core/dev.c:9820)
[   32.957724][  T931]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.957993][  T931]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.958271][  T931]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.958623][  T931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.958900][  T931]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.959168][  T931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.959484][  T931]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.959752][  T931]  ? __kernel_text_address (kernel/extable.c:79)
[   32.960024][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.960300][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.960583][  T931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.960854][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.961121][  T931]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.961418][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.961686][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.961950][  T931]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.962212][  T931]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   32.962506][  T931]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.962775][  T931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.963048][  T931]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.963348][  T931]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.963623][  T931]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.963897][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.964159][  T931]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.964451][  T931]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.964715][  T931]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.964982][  T931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.965266][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.965546][  T931]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.965811][  T931]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.966075][  T931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.966370][  T931]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.966639][  T931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.966903][  T931]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.967177][  T931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.967478][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.967747][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.968013][  T931]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.968290][  T931]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.968566][  T931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.968835][  T931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.969111][  T931]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.969408][  T931]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.969677][  T931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.969941][  T931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.970206][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.970498][  T931]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.970771][  T931]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.971039][  T931]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.971341][  T931]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.971615][  T931]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.971881][  T931]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.972198][  T931]  ? move_addr_to_kernel (net/socket.c:258)
[   32.972497][  T931]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.972761][  T931]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.973029][  T931]  ___sys_sendmsg (net/socket.c:2752)
[   32.973308][  T931]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.973641][  T931]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.973916][  T931]  __sys_sendmsg (net/socket.c:2784)
[   32.974180][  T931]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.974472][  T931]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.974799][  T931]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.975062][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.975360][  T931]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.975631][  T931]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.975899][  T931]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.976173][  T931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.976524][  T931] RIP: 0033:0x7fe5c2c0408e
[   32.976799][  T931] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.977639][  T931] RSP: 002b:00007ffd2bef9910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.978024][  T931] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe5c2c0408e
[   32.978420][  T931] RDX: 0000000000000000 RSI: 00007ffd2bef99c0 RDI: 0000000000000005
[   32.978796][  T931] RBP: 00007ffd2bef9920 R08: 0000000000000000 R09: 0000000000000000
[   32.979170][  T931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf77
[   32.979568][  T931] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2befa090
| [   33.941566][  T964] ------------[ cut here ]------------
| [   33.941849][  T964] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/964
| [   33.942218][  T964] Modules linked in: netdevsim
| [   33.942890][  T964] Tainted: [W]=WARN
[   33.943052][  T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.943341][  T964] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.943630][  T964] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.944399][  T964] RSP: 0018:ffa00000024a7010 EFLAGS: 00010286
[   33.944671][  T964] RAX: 00000000ffffffa6 RBX: ff1100000b30e1c0 RCX: 1ff4000000494dc8
[   33.944986][  T964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b30e270
[   33.945346][  T964] RBP: ff110000088b1000 R08: 1fe2200001661c4f R09: ff1100000c718b80
[   33.945673][  T964] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   33.946002][  T964] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000024a7100
[   33.946322][  T964] FS:  00007f377d416840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   33.946905][  T964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.947177][  T964] CR2: 0000000018b76988 CR3: 000000000c197005 CR4: 0000000000771ef0
[   33.947509][  T964] PKRU: 55555554
[   33.947674][  T964] Call Trace:
[   33.947836][  T964]  <TASK>
[   33.947951][  T964]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.948172][  T964]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.948349][  T964]  netif_close_many (net/core/dev.c:1804)
[   33.948561][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.948775][  T964]  ? __dev_close_many (net/core/dev.c:1781)
[   33.948993][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.949208][  T964]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.949438][  T964]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.949645][  T964]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   33.949908][  T964]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.950122][  T964]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.950405][  T964]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.950616][  T964]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.950836][  T964]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.951103][  T964]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   33.951319][  T964]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.951546][  T964]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.951755][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.951962][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.952175][  T964]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.952400][  T964]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.952611][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.952854][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.953057][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.953277][  T964]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.953494][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.953698][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.953908][  T964]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   33.954124][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.954343][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.954552][  T964]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.954757][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.954971][  T964]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.955188][  T964]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.955413][  T964]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.955627][  T964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.955837][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.956050][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.956258][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.956486][  T964]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.956699][  T964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.956910][  T964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.957126][  T964]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.957344][  T964]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.957559][  T964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.957777][  T964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.957990][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.958207][  T964]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.958437][  T964]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.958643][  T964]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.958859][  T964]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.959069][  T964]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.959292][  T964]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.959558][  T964]  ? move_addr_to_kernel (net/socket.c:258)
[   33.959771][  T964]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.959989][  T964]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.960204][  T964]  ___sys_sendmsg (net/socket.c:2752)
[   33.960428][  T964]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.960691][  T964]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.960921][  T964]  __sys_sendmsg (net/socket.c:2784)
[   33.961130][  T964]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.961353][  T964]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.961626][  T964]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.961840][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.962057][  T964]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.962272][  T964]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.962490][  T964]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.962704][  T964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.962966][  T964] RIP: 0033:0x7f377d65008e
[   33.963191][  T964] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.963956][  T964] RSP: 002b:00007ffca92520e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.964285][  T964] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f377d65008e
[   33.964608][  T964] RDX: 0000000000000000 RSI: 00007ffca9252190 RDI: 0000000000000005
[   33.964929][  T964] RBP: 00007ffca92520f0 R08: 0000000000000000 R09: 0000000000000000
[   33.965250][  T964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   33.965578][  T964] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca9252860
| [   33.971083][  T964] ------------[ cut here ]------------
| [   33.971306][  T964] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/964
| [   33.971663][  T964] Modules linked in: netdevsim
| [   33.972283][  T964] Tainted: [W]=WARN
[   33.972455][  T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.972701][  T964] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.972962][  T964] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.973676][  T964] RSP: 0018:ffa00000024a7190 EFLAGS: 00010286
[   33.973934][  T964] RAX: 00000000ffffffa6 RBX: ff11000004b0b6c0 RCX: 1ff4000000494df8
[   33.974230][  T964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b770
[   33.974724][  T964] RBP: ff110000088b1000 R08: 1fe22000009616ef R09: ff1100000c718b58
[   33.975019][  T964] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.975323][  T964] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.975775][  T964] FS:  00007f377d416840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   33.976134][  T964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.976497][  T964] CR2: 0000000018b76988 CR3: 000000000c197005 CR4: 0000000000771ef0
[   33.976805][  T964] PKRU: 55555554
[   33.977053][  T964] Call Trace:
[   33.977201][  T964]  <TASK>
[   33.977311][  T964]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.977661][  T964]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.977909][  T964]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.978111][  T964]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.978313][  T964]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.978665][  T964]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.978871][  T964]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.979073][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.979276][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.979570][  T964]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.979773][  T964]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.979969][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.980204][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.980504][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.980704][  T964]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.980905][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.981102][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.981306][  T964]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   33.981609][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.981807][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.982002][  T964]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.982199][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.982508][  T964]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.982713][  T964]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.982913][  T964]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.983115][  T964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.983322][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.983621][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.983819][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.984019][  T964]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.984215][  T964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.984523][  T964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.984729][  T964]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.984922][  T964]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.985096][  T964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.985280][  T964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.985575][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.985772][  T964]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.985980][  T964]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.986181][  T964]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.986490][  T964]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.986686][  T964]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.986879][  T964]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.987122][  T964]  ? move_addr_to_kernel (net/socket.c:258)
[   33.987319][  T964]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.987628][  T964]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.987835][  T964]  ___sys_sendmsg (net/socket.c:2752)
[   33.988032][  T964]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.988280][  T964]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.988603][  T964]  __sys_sendmsg (net/socket.c:2784)
[   33.988800][  T964]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.988996][  T964]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.989244][  T964]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.989546][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.989752][  T964]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.989948][  T964]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.990147][  T964]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.990447][  T964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.990690][  T964] RIP: 0033:0x7f377d65008e
[   33.990898][  T964] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.991720][  T964] RSP: 002b:00007ffca92520e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.992023][  T964] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f377d65008e
[   33.992448][  T964] RDX: 0000000000000000 RSI: 00007ffca9252190 RDI: 0000000000000005
[   33.992744][  T964] RBP: 00007ffca92520f0 R08: 0000000000000000 R09: 0000000000000000
[   33.993040][  T964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   33.993434][  T964] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca9252860
| [   34.054533][  T965] ------------[ cut here ]------------
| [   34.054773][  T965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/965
| [   34.055151][  T965] Modules linked in: netdevsim
| [   34.055798][  T965] Tainted: [W]=WARN
[   34.055957][  T965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.056220][  T965] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.058180][  T965] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.058952][  T965] RSP: 0018:ffa00000024b7010 EFLAGS: 00010286
[   34.059220][  T965] RAX: 00000000ffffffa6 RBX: ff110000094a4dc0 RCX: 1ff4000000496dc8
[   34.059547][  T965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4e70
[   34.059861][  T965] RBP: ff11000008104000 R08: 1fe22000012949cf R09: ff11000004f2ae80
[   34.060174][  T965] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   34.060502][  T965] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000024b7100
[   34.060818][  T965] FS:  00007f4930c21840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   34.061191][  T965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.061468][  T965] CR2: 00007f4930ef11a0 CR3: 000000000c79f005 CR4: 0000000000771ef0
[   34.061786][  T965] PKRU: 55555554
[   34.061943][  T965] Call Trace:
[   34.062106][  T965]  <TASK>
[   34.062218][  T965]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.062448][  T965]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.062609][  T965]  netif_close_many (net/core/dev.c:1804)
[   34.062818][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.063031][  T965]  ? __dev_close_many (net/core/dev.c:1781)
[   34.063241][  T965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.063470][  T965]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   34.063682][  T965]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.063890][  T965]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   34.064160][  T965]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.064381][  T965]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.064639][  T965]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.064847][  T965]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.065056][  T965]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.065322][  T965]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.065542][  T965]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.065759][  T965]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   34.065969][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.066179][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.066400][  T965]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.066609][  T965]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.066818][  T965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.067065][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.067284][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.067504][  T965]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.067712][  T965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.067924][  T965]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.068137][  T965]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   34.068364][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.068570][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.068780][  T965]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.068990][  T965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.069193][  T965]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.069417][  T965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.069619][  T965]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.069821][  T965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.070025][  T965]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.070232][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.070447][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.070648][  T965]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.070851][  T965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.071065][  T965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.071282][  T965]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.071501][  T965]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.071700][  T965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.071893][  T965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.072089][  T965]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.072301][  T965]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.072504][  T965]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.072705][  T965]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.072902][  T965]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.073097][  T965]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.073299][  T965]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.073553][  T965]  ? move_addr_to_kernel (net/socket.c:258)
[   34.073757][  T965]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.073952][  T965]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.074155][  T965]  ___sys_sendmsg (net/socket.c:2752)
[   34.074353][  T965]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.074601][  T965]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.074820][  T965]  __sys_sendmsg (net/socket.c:2784)
[   34.075018][  T965]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.075213][  T965]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.075475][  T965]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.075667][  T965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.075861][  T965]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.076056][  T965]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.076252][  T965]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.076467][  T965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.076721][  T965] RIP: 0033:0x7f4930e5b08e
[   34.076940][  T965] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.077682][  T965] RSP: 002b:00007fff85f94160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.077984][  T965] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4930e5b08e
[   34.078299][  T965] RDX: 0000000000000000 RSI: 00007fff85f94210 RDI: 0000000000000005
[   34.078598][  T965] RBP: 00007fff85f94170 R08: 0000000000000000 R09: 0000000000000000
[   34.078887][  T965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   34.079175][  T965] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff85f948e0
| [   34.083719][  T965] ------------[ cut here ]------------
| [   34.083910][  T965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/965
| [   34.084221][  T965] Modules linked in: netdevsim
| [   34.085406][  T965] Tainted: [W]=WARN
[   34.085539][  T965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.085774][  T965] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.086014][  T965] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.086668][  T965] RSP: 0018:ffa00000024b7190 EFLAGS: 00010286
[   34.086904][  T965] RAX: 00000000ffffffa6 RBX: ff110000094a47c0 RCX: 1ff4000000496df8
[   34.087178][  T965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4870
[   34.087463][  T965] RBP: ff11000008104000 R08: 1fe220000129490f R09: ff11000004f2ae58
[   34.087734][  T965] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.088012][  T965] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.088289][  T965] FS:  00007f4930c21840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   34.088611][  T965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.088837][  T965] CR2: 00007f4930ef11a0 CR3: 000000000c79f005 CR4: 0000000000771ef0
[   34.089114][  T965] PKRU: 55555554
[   34.089248][  T965] Call Trace:
[   34.089393][  T965]  <TASK>
[   34.089489][  T965]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.089731][  T965]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.089960][  T965]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.090147][  T965]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.090342][  T965]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.090599][  T965]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.090792][  T965]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   34.090990][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.091192][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.091418][  T965]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.091620][  T965]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.091831][  T965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.092061][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.092262][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.092483][  T965]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.092690][  T965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.092905][  T965]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.093101][  T965]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   34.093299][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.093509][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.093708][  T965]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.093907][  T965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.094097][  T965]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.094289][  T965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.094489][  T965]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.094690][  T965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.094887][  T965]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.095085][  T965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.095273][  T965]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.095485][  T965]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.095692][  T965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.095904][  T965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.096121][  T965]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.096335][  T965]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.096543][  T965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.096755][  T965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.096971][  T965]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.097189][  T965]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.097416][  T965]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.097621][  T965]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.097830][  T965]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.098034][  T965]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.098235][  T965]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.098494][  T965]  ? move_addr_to_kernel (net/socket.c:258)
[   34.098699][  T965]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.099054][  T965]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.099259][  T965]  ___sys_sendmsg (net/socket.c:2752)
[   34.099470][  T965]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.099866][  T965]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.100092][  T965]  __sys_sendmsg (net/socket.c:2784)
[   34.100297][  T965]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.100502][  T965]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.100903][  T965]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.101106][  T965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.101313][  T965]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.101524][  T965]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.101874][  T965]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.102080][  T965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.102338][  T965] RIP: 0033:0x7f4930e5b08e
[   34.102551][  T965] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.103449][  T965] RSP: 002b:00007fff85f94160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.103909][  T965] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4930e5b08e
[   34.104209][  T965] RDX: 0000000000000000 RSI: 00007fff85f94210 RDI: 0000000000000005
[   34.104524][  T965] RBP: 00007fff85f94170 R08: 0000000000000000 R09: 0000000000000000
[   34.104975][  T965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   34.105277][  T965] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff85f948e0
| [   34.277743][  T975] ------------[ cut here ]------------
| [   34.278019][  T975] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/975
| [   34.278433][  T975] Modules linked in: netdevsim
| [   34.279126][  T975] Tainted: [W]=WARN
[   34.279304][  T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.279596][  T975] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.279893][  T975] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.280689][  T975] RSP: 0018:ffa00000024d71b0 EFLAGS: 00010286
[   34.280979][  T975] RAX: 00000000ffffffa6 RBX: ff1100000dfffcc0 RCX: 1ff400000049adfc
[   34.281318][  T975] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfffd70
[   34.281659][  T975] RBP: ff110000089ec000 R08: 1fe2200001bfffaf R09: ff1100000c2951a8
[   34.281972][  T975] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.282302][  T975] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.282645][  T975] FS:  00007fc3a97b1840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   34.283037][  T975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.283320][  T975] CR2: 00000000004a77b8 CR3: 000000000ed7f003 CR4: 0000000000771ef0
[   34.283659][  T975] PKRU: 55555554
[   34.283817][  T975] Call Trace:
[   34.283981][  T975]  <TASK>
[   34.284095][  T975]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.284323][  T975]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.284556][  T975]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.284778][  T975]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.284950][  T975]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   34.285175][  T975]  __dev_notify_flags (net/core/dev.c:9787)
[   34.285412][  T975]  ? netif_change_name (net/core/dev.c:1495)
[   34.285635][  T975]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.285911][  T975]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.286137][  T975]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   34.286384][  T975]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.286607][  T975]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.286828][  T975]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.287054][  T975]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.287290][  T975]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.287523][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.287747][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.287984][  T975]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.288206][  T975]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.288438][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.288670][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.288898][  T975]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.289118][  T975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.289356][  T975]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.289579][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.289803][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.290032][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.290251][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.290484][  T975]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.290702][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.290924][  T975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.291156][  T975]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.291395][  T975]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.291616][  T975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.291837][  T975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.292064][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.292293][  T975]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.292527][  T975]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.292753][  T975]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.292981][  T975]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.293206][  T975]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.293444][  T975]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.293718][  T975]  ? move_addr_to_kernel (net/socket.c:258)
[   34.293941][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.294166][  T975]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   34.294412][  T975]  ___sys_sendmsg (net/socket.c:2752)
[   34.294617][  T975]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   34.294845][  T975]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.295073][  T975]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   34.295316][  T975]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   34.295560][  T975]  __sys_sendmsg (net/socket.c:2784)
[   34.295783][  T975]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.296015][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.296241][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.296486][  T975]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.296717][  T975]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.296937][  T975]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.297154][  T975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.297438][  T975] RIP: 0033:0x7fc3a99eb08e
[   34.297678][  T975] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.298491][  T975] RSP: 002b:00007ffd5e3e0660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.298833][  T975] RAX: ffffffffffffffda RBX: 00007ffd5e3e0e10 RCX: 00007fc3a99eb08e
[   34.299166][  T975] RDX: 0000000000000000 RSI: 00007ffd5e3e0710 RDI: 0000000000000005
[   34.299511][  T975] RBP: 00007ffd5e3e0670 R08: 0000000000000000 R09: 0000000000000000
[   34.299854][  T975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   34.300216][  T975] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e3e0de0
| [   34.371257][  T976] ------------[ cut here ]------------
| [   34.371522][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/976
| [   34.371899][  T976] Modules linked in: netdevsim
| [   34.372608][  T976] Tainted: [W]=WARN
[   34.372776][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.373053][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.373357][  T976] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.374121][  T976] RSP: 0018:ffa0000002527020 EFLAGS: 00010286
[   34.374408][  T976] RAX: 00000000ffffffa6 RBX: ff1100000ec1aac0 RCX: 1ff40000004a4dca
[   34.374725][  T976] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ec1ab70
[   34.375060][  T976] RBP: ff110000089ec000 R08: 1fe2200001d8356f R09: ff11000004d95180
[   34.375395][  T976] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   34.375708][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.376031][  T976] FS:  00007f6f397bc840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   34.376425][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.376696][  T976] CR2: 0000000030c8d988 CR3: 000000000c219002 CR4: 0000000000771ef0
[   34.377016][  T976] PKRU: 55555554
[   34.377175][  T976] Call Trace:
[   34.377353][  T976]  <TASK>
[   34.377467][  T976]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   34.377684][  T976]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.377904][  T976]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.378069][  T976]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.378291][  T976]  __dev_notify_flags (net/core/dev.c:9787)
[   34.378515][  T976]  ? netif_change_name (net/core/dev.c:1495)
[   34.378730][  T976]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.378942][  T976]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.379158][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.379503][  T976]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   34.379723][  T976]  netif_change_flags (net/core/dev.c:9820)
[   34.379946][  T976]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.380164][  T976]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.380501][  T976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.380760][  T976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.380968][  T976]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.381174][  T976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.381524][  T976]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.381736][  T976]  ? __kernel_text_address (kernel/extable.c:79)
[   34.381947][  T976]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.382165][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.382429][  T976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.382635][  T976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.382850][  T976]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.383061][  T976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.383281][  T976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.383501][  T976]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.383717][  T976]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   34.383926][  T976]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.384133][  T976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.384357][  T976]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.384576][  T976]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.384795][  T976]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.385018][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.385232][  T976]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.385461][  T976]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.385674][  T976]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.385885][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.386109][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.386333][  T976]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.386551][  T976]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.386764][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.386984][  T976]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.387196][  T976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.387421][  T976]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.387628][  T976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.387835][  T976]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.388055][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.388276][  T976]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.388502][  T976]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.388719][  T976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.388935][  T976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.389152][  T976]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.389379][  T976]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.389595][  T976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.389816][  T976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.390027][  T976]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.390237][  T976]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.390465][  T976]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.390681][  T976]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.390899][  T976]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.391113][  T976]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.391339][  T976]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.391606][  T976]  ? move_addr_to_kernel (net/socket.c:258)
[   34.391819][  T976]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.392032][  T976]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.392247][  T976]  ___sys_sendmsg (net/socket.c:2752)
[   34.392476][  T976]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.392742][  T976]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.392985][  T976]  __sys_sendmsg (net/socket.c:2784)
[   34.393277][  T976]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.393500][  T976]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.393771][  T976]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.393984][  T976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.394196][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.394419][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.394633][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.394852][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.395117][  T976] RIP: 0033:0x7f6f399f608e
[   34.395355][  T976] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.396112][  T976] RSP: 002b:00007fff282f2220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.396451][  T976] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6f399f608e
[   34.396771][  T976] RDX: 0000000000000000 RSI: 00007fff282f22d0 RDI: 0000000000000005
[   34.397093][  T976] RBP: 00007fff282f2230 R08: 0000000000000000 R09: 0000000000000000
[   34.397429][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   34.397752][  T976] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff282f29a0
| [   34.433780][  T977] ------------[ cut here ]------------
| [   34.433957][  T977] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/977
| [   34.434221][  T977] Modules linked in: netdevsim
| [   34.434685][  T977] Tainted: [W]=WARN
[   34.434794][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.434977][  T977] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.435165][  T977] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.435686][  T977] RSP: 0018:ffa00000025271b0 EFLAGS: 00010286
[   34.435867][  T977] RAX: 00000000ffffffa6 RBX: ff11000004f927c0 RCX: 1ff40000004a4dfc
[   34.436085][  T977] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92870
[   34.436301][  T977] RBP: ff1100000ed84000 R08: 1fe22000009f250f R09: ff11000008d62ea8
[   34.436521][  T977] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.436735][  T977] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.436954][  T977] FS:  00007facf4a6d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   34.437211][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.437402][  T977] CR2: 00000000004a77b8 CR3: 000000000dd31005 CR4: 0000000000771ef0
[   34.437617][  T977] PKRU: 55555554
[   34.437729][  T977] Call Trace:
[   34.437837][  T977]  <TASK>
[   34.437913][  T977]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.438060][  T977]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.438207][  T977]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.438361][  T977]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.438472][  T977]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   34.438616][  T977]  __dev_notify_flags (net/core/dev.c:9787)
[   34.438760][  T977]  ? netif_change_name (net/core/dev.c:1495)
[   34.438908][  T977]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.439087][  T977]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.439233][  T977]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   34.439405][  T977]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.439549][  T977]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.439692][  T977]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.439841][  T977]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.439988][  T977]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.440132][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.440286][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.440437][  T977]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.440582][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.440723][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.440872][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.441015][  T977]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.441157][  T977]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.441305][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.441455][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.441596][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.441742][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.441902][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.442051][  T977]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.442192][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.442344][  T977]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.442488][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.442630][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.442785][  T977]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.442931][  T977]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.443074][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.443216][  T977]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.443370][  T977]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.443513][  T977]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.443660][  T977]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.443806][  T977]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.443948][  T977]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.444122][  T977]  ? move_addr_to_kernel (net/socket.c:258)
[   34.444269][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.444419][  T977]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   34.444563][  T977]  ___sys_sendmsg (net/socket.c:2752)
[   34.444710][  T977]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   34.444859][  T977]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.445006][  T977]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   34.445150][  T977]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   34.445304][  T977]  __sys_sendmsg (net/socket.c:2784)
[   34.445456][  T977]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.445602][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.445747][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.445891][  T977]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.446034][  T977]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.446177][  T977]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.446324][  T977]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.446538][  T977] RIP: 0033:0x7facf4ca708e
[   34.446687][  T977] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.447200][  T977] RSP: 002b:00007ffc5eb5eb70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.447426][  T977] RAX: ffffffffffffffda RBX: 00007ffc5eb5f320 RCX: 00007facf4ca708e
[   34.447641][  T977] RDX: 0000000000000000 RSI: 00007ffc5eb5ec20 RDI: 0000000000000005
[   34.447857][  T977] RBP: 00007ffc5eb5eb80 R08: 0000000000000000 R09: 0000000000000000
[   34.448068][  T977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   34.448284][  T977] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5eb5f2f0
| [   34.487501][  T978] ------------[ cut here ]------------
| [   34.487704][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/978
| [   34.487957][  T978] Modules linked in: netdevsim
| [   34.488437][  T978] Tainted: [W]=WARN
[   34.488544][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.488718][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.488916][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.489420][  T978] RSP: 0018:ffa0000002447020 EFLAGS: 00010286
[   34.489602][  T978] RAX: 00000000ffffffa6 RBX: ff11000004f921c0 RCX: 1ff4000000488dca
[   34.489810][  T978] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92270
[   34.490026][  T978] RBP: ff1100000ed84000 R08: 1fe22000009f244f R09: ff1100000eff0b80
[   34.490240][  T978] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   34.490464][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.490676][  T978] FS:  00007f4311791840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   34.490923][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.491123][  T978] CR2: 00007f4311a611a0 CR3: 000000000c5ed001 CR4: 0000000000771ef0
[   34.491343][  T978] PKRU: 55555554
[   34.491451][  T978] Call Trace:
[   34.491558][  T978]  <TASK>
[   34.491631][  T978]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   34.491775][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.491917][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.492030][  T978]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.492174][  T978]  __dev_notify_flags (net/core/dev.c:9787)
[   34.492322][  T978]  ? netif_change_name (net/core/dev.c:1495)
[   34.492467][  T978]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.492607][  T978]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.492750][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.492891][  T978]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   34.493037][  T978]  netif_change_flags (net/core/dev.c:9820)
[   34.493176][  T978]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.493322][  T978]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.493541][  T978]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.493714][  T978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.493855][  T978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.494002][  T978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.494142][  T978]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.494283][  T978]  ? __kernel_text_address (kernel/extable.c:79)
[   34.494591][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.494733][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.494870][  T978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.495011][  T978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.495149][  T978]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.495293][  T978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.495528][  T978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.495760][  T978]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.495898][  T978]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   34.496036][  T978]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.496174][  T978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.496468][  T978]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.496612][  T978]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.496767][  T978]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.496906][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.497046][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.497184][  T978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.497379][  T978]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.497517][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.497657][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.497792][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.497933][  T978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.498073][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.498220][  T978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.498395][  T978]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.498534][  T978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.498673][  T978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.498813][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.498952][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.499093][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.499229][  T978]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.499378][  T978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.499518][  T978]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.499660][  T978]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.499799][  T978]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.499940][  T978]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.500083][  T978]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.500222][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.500372][  T978]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.500516][  T978]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.500656][  T978]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.500797][  T978]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.500936][  T978]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.501073][  T978]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.501251][  T978]  ? move_addr_to_kernel (net/socket.c:258)
[   34.501404][  T978]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.501544][  T978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.501683][  T978]  ___sys_sendmsg (net/socket.c:2752)
[   34.501824][  T978]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.502001][  T978]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.502156][  T978]  __sys_sendmsg (net/socket.c:2784)
[   34.502300][  T978]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.502448][  T978]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.502622][  T978]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.502760][  T978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.502899][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.503038][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.503175][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.503322][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.503499][  T978] RIP: 0033:0x7f43119cb08e
[   34.503645][  T978] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.504135][  T978] RSP: 002b:00007ffe361c5060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.504389][  T978] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f43119cb08e
[   34.504660][  T978] RDX: 0000000000000000 RSI: 00007ffe361c5110 RDI: 0000000000000005
[   34.504928][  T978] RBP: 00007ffe361c5070 R08: 0000000000000000 R09: 0000000000000000
[   34.505201][  T978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   34.505494][  T978] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe361c57e0
| [   34.633763][  T981] ------------[ cut here ]------------
| [   34.634056][  T981] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/981
| [   34.634913][  T981] Modules linked in: netdevsim
| [   34.635686][  T981] Tainted: [W]=WARN
[   34.635873][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.636179][  T981] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.636523][  T981] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.637426][  T981] RSP: 0018:ffa0000002557310 EFLAGS: 00010286
[   34.637737][  T981] RAX: 00000000ffffffa6 RBX: ff11000004e1c940 RCX: 1ff40000004aae28
[   34.638111][  T981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c9f0
[   34.638494][  T981] RBP: ff11000009e2a000 R08: 1fe22000009c393f R09: ff11000004f2d1d0
[   34.638857][  T981] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.639223][  T981] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.639605][  T981] FS:  00007f17563b8840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   34.640027][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.640343][  T981] CR2: 00007f175696d004 CR3: 0000000004de7002 CR4: 0000000000771ef0
[   34.640705][  T981] PKRU: 55555554
[   34.640889][  T981] Call Trace:
[   34.641070][  T981]  <TASK>
[   34.641197][  T981]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.641528][  T981]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.641823][  T981]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   34.642069][  T981]  ? netdev_run_todo (net/core/dev.c:11703)
[   34.642312][  T981]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.642565][  T981]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   34.642804][  T981]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   34.643043][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.643292][  T981]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.643543][  T981] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   34.643786][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.644035][  T981] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   34.644356][  T981] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   34.644661][  T981] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   34.644965][  T981]  devlink_reload (net/devlink/dev.c:462)
[   34.645214][  T981]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   34.645600][  T981]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   34.645905][  T981]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   34.646146][  T981]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   34.646767][  T981]  ? __nla_validate_parse (lib/nlattr.c:635)
[   34.647016][  T981]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   34.647260][  T981]  ? __nla_parse (lib/nlattr.c:732)
[   34.647714][  T981]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   34.647956][  T981]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   34.648264][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.648648][  T981]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   34.648889][  T981]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   34.649131][  T981]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   34.649587][  T981]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   34.649886][  T981]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.650189][  T981]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   34.650538][  T981]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   34.650780][  T981]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   34.651024][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.651275][  T981]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   34.651525][  T981]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.651774][  T981]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   34.652018][  T981]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.652276][  T981]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.652528][  T981]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.652775][  T981]  genl_rcv (net/netlink/genetlink.c:1218)
[   34.652961][  T981]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.653221][  T981]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.653481][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.653757][  T981]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.654005][  T981]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.654257][  T981]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.654519][  T981]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.654764][  T981]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   34.655006][  T981]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   34.655276][  T981]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   34.655522][  T981]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.655815][  T981]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.656065][  T981]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.656307][  T981]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.656556][  T981]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.656794][  T981]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.657036][  T981]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.657355][  T981] RIP: 0033:0x7f17565f208e
[   34.657608][  T981] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.658482][  T981] RSP: 002b:00007ffef06fa4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   34.658854][  T981] RAX: ffffffffffffffda RBX: 000000000cd15980 RCX: 00007f17565f208e
[   34.659212][  T981] RDX: 0000000000000038 RSI: 000000000cd15ba0 RDI: 0000000000000005
[   34.659589][  T981] RBP: 00007ffef06fa4d0 R08: 00007f17568a6980 R09: 000000000000000c
[   34.659954][  T981] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   34.660324][  T981] R13: 000000000cd15980 R14: 0000000000000000 R15: 0000000000000003
| [   34.754807][  T981] ------------[ cut here ]------------
| [   34.755176][  T981] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/981
| [   34.755776][  T981] Modules linked in: netdevsim
| [   34.756680][  T981] Tainted: [W]=WARN
[   34.756920][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.757296][  T981] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.757698][  T981] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.758665][  T981] RSP: 0018:ffa0000002557268 EFLAGS: 00010286
[   34.759033][  T981] RAX: 00000000ffffffa6 RBX: ff11000004ec0640 RCX: 1ff40000004aae13
[   34.759480][  T981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec06f0
[   34.759895][  T981] RBP: ff1100000c3fa000 R08: 1fe22000009d80df R09: ff11000004f2d1d0
[   34.760531][  T981] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.761142][  T981] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3fa000
[   34.761595][  T981] FS:  00007f17563b8840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   34.762092][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.762490][  T981] CR2: 000055fbe875cd5c CR3: 0000000004de7003 CR4: 0000000000771ef0
[   34.762941][  T981] PKRU: 55555554
[   34.763191][  T981] Call Trace:
[   34.763458][  T981]  <TASK>
[   34.763637][  T981]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.763956][  T981]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.764203][  T981]  register_netdevice (net/core/dev.c:11488)
[   34.764534][  T981]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.764904][  T981]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   34.765219][  T981] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   34.765629][  T981] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   34.766119][  T981] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   34.766514][  T981]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   34.766815][  T981]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   34.767194][  T981]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   34.767523][  T981]  ? static_obj (kernel/locking/lockdep.c:858)
[   34.767762][  T981]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.768256][  T981]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   34.768829][  T981] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   34.769198][  T981]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   34.769763][  T981]  devlink_reload (net/devlink/dev.c:475)
[   34.770073][  T981]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   34.770400][  T981]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   34.770770][  T981]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   34.771066][  T981]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   34.771622][  T981]  ? __nla_validate_parse (lib/nlattr.c:635)
[   34.771927][  T981]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   34.772231][  T981]  ? __nla_parse (lib/nlattr.c:732)
[   34.772755][  T981]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   34.773246][  T981]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   34.773635][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.774117][  T981]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   34.774438][  T981]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   34.774745][  T981]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   34.775054][  T981]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   34.775443][  T981]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.775798][  T981]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   34.776100][  T981]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   34.776445][  T981]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   34.776920][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.777427][  T981]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   34.777731][  T981]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.778023][  T981]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   34.778345][  T981]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.778654][  T981]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.778951][  T981]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.779261][  T981]  genl_rcv (net/netlink/genetlink.c:1218)
[   34.779709][  T981]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.780014][  T981]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.780342][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.785153][  T981]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.785501][  T981]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.785801][  T981]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.786091][  T981]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.786601][  T981]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   34.786900][  T981]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   34.787236][  T981]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   34.787563][  T981]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.788114][  T981]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.788444][  T981]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.788748][  T981]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.789052][  T981]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.789378][  T981]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.789684][  T981]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.790237][  T981] RIP: 0033:0x7f17565f208e
[   34.790774][  T981] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.791723][  T981] RSP: 002b:00007ffef06fa4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   34.792147][  T981] RAX: ffffffffffffffda RBX: 000000000cd15980 RCX: 00007f17565f208e
[   34.792587][  T981] RDX: 0000000000000038 RSI: 000000000cd15ba0 RDI: 0000000000000005
[   34.793003][  T981] RBP: 00007ffef06fa4d0 R08: 00007f17568a6980 R09: 000000000000000c
[   34.793443][  T981] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   34.793859][  T981] R13: 000000000cd15980 R14: 0000000000000000 R15: 0000000000000003
| [   35.033212][  T994] ------------[ cut here ]------------
| [   35.033835][  T994] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/994
| [   35.034133][  T994] Modules linked in: netdevsim
| [   35.034685][  T994] Tainted: [W]=WARN
[   35.034835][  T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.035052][  T994] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.035290][  T994] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.035825][  T994] RSP: 0018:ffa00000025b7010 EFLAGS: 00010286
[   35.036045][  T994] RAX: 00000000ffffffa6 RBX: ff1100000dfff9c0 RCX: 1ff40000004b6dc8
[   35.036303][  T994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfffa70
[   35.036567][  T994] RBP: ff110000089ec000 R08: 1fe2200001bfff4f R09: ff1100000ae68b80
[   35.036815][  T994] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   35.037067][  T994] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000025b7100
[   35.037339][  T994] FS:  00007f2596a4a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   35.037627][  T994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.037899][  T994] CR2: 000000000f451988 CR3: 000000000cc32001 CR4: 0000000000771ef0
[   35.038179][  T994] PKRU: 55555554
[   35.038360][  T994] Call Trace:
[   35.038511][  T994]  <TASK>
[   35.038629][  T994]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.038839][  T994]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.039042][  T994]  netif_close_many (net/core/dev.c:1804)
[   35.039229][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.039436][  T994]  ? __dev_close_many (net/core/dev.c:1781)
[   35.039629][  T994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.039819][  T994]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.040008][  T994]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.040193][  T994]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   35.040440][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.040625][  T994]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.040842][  T994]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.041028][  T994]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.041216][  T994]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.041453][  T994]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.041640][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.041836][  T994]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.042029][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.042211][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.042416][  T994]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.042606][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.042787][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.042992][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.043173][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.043380][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.043563][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.043747][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.043937][  T994]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   35.044126][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.044315][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.044511][  T994]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.044693][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.044882][  T994]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.045069][  T994]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.045254][  T994]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.045462][  T994]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.045719][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.045927][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.046113][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.046305][  T994]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.046511][  T994]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.046699][  T994]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.046889][  T994]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.047076][  T994]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.047301][  T994]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.047550][  T994]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.047735][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.047923][  T994]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.048109][  T994]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.048301][  T994]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.048511][  T994]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.048699][  T994]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.048885][  T994]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.049100][  T994]  ? move_addr_to_kernel (net/socket.c:258)
[   35.049294][  T994]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.049498][  T994]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.049685][  T994]  ___sys_sendmsg (net/socket.c:2752)
[   35.049873][  T994]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.050089][  T994]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.050368][  T994]  __sys_sendmsg (net/socket.c:2784)
[   35.050624][  T994]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.050884][  T994]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.051185][  T994]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.051392][  T994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.051591][  T994]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.051777][  T994]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.051964][  T994]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.052151][  T994]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.052389][  T994] RIP: 0033:0x7f2596c8408e
[   35.052583][  T994] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.053111][  T994] RSP: 002b:00007ffd511a0800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.053383][  T994] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2596c8408e
[   35.053633][  T994] RDX: 0000000000000000 RSI: 00007ffd511a08b0 RDI: 0000000000000005
[   35.053883][  T994] RBP: 00007ffd511a0810 R08: 0000000000000000 R09: 0000000000000000
[   35.054136][  T994] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.054408][  T994] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd511a0f80
| [   35.057728][  T994] ------------[ cut here ]------------
| [   35.057913][  T994] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/994
| [   35.058296][  T994] Modules linked in: netdevsim
| [   35.059041][  T994] Tainted: [W]=WARN
[   35.059316][  T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.059669][  T994] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.059890][  T994] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.060513][  T994] RSP: 0018:ffa00000025b7190 EFLAGS: 00010286
[   35.060726][  T994] RAX: 00000000ffffffa6 RBX: ff1100000dfff0c0 RCX: 1ff40000004b6df8
[   35.060967][  T994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff170
[   35.061212][  T994] RBP: ff110000089ec000 R08: 1fe2200001bffe2f R09: ff1100000ae68b58
[   35.061482][  T994] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.061729][  T994] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.061978][  T994] FS:  00007f2596a4a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   35.062255][  T994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.062511][  T994] CR2: 000000000f451988 CR3: 000000000cc32001 CR4: 0000000000771ef0
[   35.062757][  T994] PKRU: 55555554
[   35.062903][  T994] Call Trace:
[   35.063050][  T994]  <TASK>
[   35.063167][  T994]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.063409][  T994]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.063627][  T994]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.063806][  T994]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.063983][  T994]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.064198][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.064397][  T994]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.064573][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.064747][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.064928][  T994]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.065104][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.065286][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.065501][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.065682][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.065862][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.066038][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.066215][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.066421][  T994]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   35.066599][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.066780][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.066958][  T994]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.067138][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.067346][  T994]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.067554][  T994]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.067730][  T994]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.067911][  T994]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.068089][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.068283][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.068476][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.068656][  T994]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.068831][  T994]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.069008][  T994]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.069186][  T994]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.069382][  T994]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.069561][  T994]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.069743][  T994]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.069921][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.070100][  T994]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.070285][  T994]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.070476][  T994]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.070659][  T994]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.070838][  T994]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.071017][  T994]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.071222][  T994]  ? move_addr_to_kernel (net/socket.c:258)
[   35.071422][  T994]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.071599][  T994]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.071780][  T994]  ___sys_sendmsg (net/socket.c:2752)
[   35.071954][  T994]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.072164][  T994]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.072376][  T994]  __sys_sendmsg (net/socket.c:2784)
[   35.072554][  T994]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.072730][  T994]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.072939][  T994]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.073115][  T994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.073300][  T994]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.073492][  T994]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.073670][  T994]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.073861][  T994]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.074075][  T994] RIP: 0033:0x7f2596c8408e
[   35.074260][  T994] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.074857][  T994] RSP: 002b:00007ffd511a0800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.075126][  T994] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2596c8408e
[   35.075396][  T994] RDX: 0000000000000000 RSI: 00007ffd511a08b0 RDI: 0000000000000005
[   35.075639][  T994] RBP: 00007ffd511a0810 R08: 0000000000000000 R09: 0000000000000000
[   35.075885][  T994] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.076127][  T994] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd511a0f80
| [   35.149181][  T995] ------------[ cut here ]------------
| [   35.149373][  T995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/995
| [   35.149617][  T995] Modules linked in: netdevsim
| [   35.150049][  T995] Tainted: [W]=WARN
[   35.150157][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.150370][  T995] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.150586][  T995] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.151150][  T995] RSP: 0018:ffa00000025c7010 EFLAGS: 00010286
[   35.151338][  T995] RAX: 00000000ffffffa6 RBX: ff11000004f924c0 RCX: 1ff40000004b8dc8
[   35.151541][  T995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92570
[   35.151741][  T995] RBP: ff1100000ed84000 R08: 1fe22000009f24af R09: ff1100000cc9d180
[   35.151941][  T995] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   35.152144][  T995] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000025c7100
[   35.152860][  T995] FS:  00007f54be63d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   35.153103][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.153282][  T995] CR2: 0000000033dd9988 CR3: 000000000cc17004 CR4: 0000000000771ef0
[   35.153510][  T995] PKRU: 55555554
[   35.153620][  T995] Call Trace:
[   35.153730][  T995]  <TASK>
[   35.153808][  T995]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.153961][  T995]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.154070][  T995]  netif_close_many (net/core/dev.c:1804)
[   35.154206][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.154363][  T995]  ? __dev_close_many (net/core/dev.c:1781)
[   35.154523][  T995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.154672][  T995]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.154818][  T995]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.154961][  T995]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   35.155133][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.155279][  T995]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.155456][  T995]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.155594][  T995]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.155729][  T995]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.155899][  T995]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.156041][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.156182][  T995]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.156321][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.156469][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.156609][  T995]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.156746][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.156891][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.157050][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.157192][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.157347][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.157487][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.157626][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.157767][  T995]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   35.157913][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.158048][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.158184][  T995]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.158323][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.158467][  T995]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.158606][  T995]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.158745][  T995]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.158889][  T995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.159037][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.159181][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.159336][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.159489][  T995]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.159637][  T995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.159777][  T995]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.159922][  T995]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.160061][  T995]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.160199][  T995]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.160383][  T995]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.160579][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.160717][  T995]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.160855][  T995]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.160995][  T995]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.161133][  T995]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.161277][  T995]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.161419][  T995]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.161587][  T995]  ? move_addr_to_kernel (net/socket.c:258)
[   35.161726][  T995]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.161870][  T995]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.162011][  T995]  ___sys_sendmsg (net/socket.c:2752)
[   35.162146][  T995]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.162346][  T995]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.162501][  T995]  __sys_sendmsg (net/socket.c:2784)
[   35.162638][  T995]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.162777][  T995]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.163006][  T995]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.163204][  T995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.163434][  T995]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.163639][  T995]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.163844][  T995]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.164012][  T995]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.164184][  T995] RIP: 0033:0x7f54be87708e
[   35.164346][  T995] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.164842][  T995] RSP: 002b:00007ffd565bde80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.165050][  T995] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f54be87708e
[   35.165255][  T995] RDX: 0000000000000000 RSI: 00007ffd565bdf30 RDI: 0000000000000005
[   35.165476][  T995] RBP: 00007ffd565bde90 R08: 0000000000000000 R09: 0000000000000000
[   35.165686][  T995] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.165892][  T995] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd565be600
| [   35.168858][  T995] ------------[ cut here ]------------
| [   35.168997][  T995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/995
| [   35.169221][  T995] Modules linked in: netdevsim
| [   35.170239][  T995] Tainted: [W]=WARN
[   35.170575][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.170735][  T995] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.170902][  T995] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.171379][  T995] RSP: 0018:ffa00000025c7190 EFLAGS: 00010286
[   35.171545][  T995] RAX: 00000000ffffffa6 RBX: ff1100000b30e940 RCX: 1ff40000004b8df8
[   35.171735][  T995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b30e9f0
[   35.171927][  T995] RBP: ff1100000ed84000 R08: 1fe2200001661d3f R09: ff1100000cc9d158
[   35.172125][  T995] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.172342][  T995] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.172543][  T995] FS:  00007f54be63d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   35.172769][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.172934][  T995] CR2: 0000000033dd9988 CR3: 000000000cc17004 CR4: 0000000000771ef0
[   35.173136][  T995] PKRU: 55555554
[   35.173232][  T995] Call Trace:
[   35.173339][  T995]  <TASK>
[   35.173406][  T995]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.173576][  T995]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.173737][  T995]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.173864][  T995]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.173991][  T995]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.174150][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.174294][  T995]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.174441][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.174568][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.174697][  T995]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.174825][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.174952][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.175102][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.175233][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.175374][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.175515][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.175644][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.175773][  T995]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   35.175905][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.176034][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.176169][  T995]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.176305][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.176440][  T995]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.176567][  T995]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.176694][  T995]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.176824][  T995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.176953][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.177087][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.177216][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.177358][  T995]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.177512][  T995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.177708][  T995]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.177916][  T995]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.178115][  T995]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.178337][  T995]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.178540][  T995]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.178745][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.178947][  T995]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.179121][  T995]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.179255][  T995]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.179405][  T995]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.179535][  T995]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.179663][  T995]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.179827][  T995]  ? move_addr_to_kernel (net/socket.c:258)
[   35.179959][  T995]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.180093][  T995]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.180228][  T995]  ___sys_sendmsg (net/socket.c:2752)
[   35.180372][  T995]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.180535][  T995]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.180675][  T995]  __sys_sendmsg (net/socket.c:2784)
[   35.180805][  T995]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.180933][  T995]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.181094][  T995]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.181224][  T995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.181365][  T995]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.181492][  T995]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.181620][  T995]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.181748][  T995]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.181911][  T995] RIP: 0033:0x7f54be87708e
[   35.182061][  T995] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.182619][  T995] RSP: 002b:00007ffd565bde80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.182816][  T995] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f54be87708e
[   35.183007][  T995] RDX: 0000000000000000 RSI: 00007ffd565bdf30 RDI: 0000000000000005
[   35.183219][  T995] RBP: 00007ffd565bde90 R08: 0000000000000000 R09: 0000000000000000
[   35.183441][  T995] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.183638][  T995] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd565be600
| [   35.311846][ T1005] ------------[ cut here ]------------
| [   35.312100][ T1005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1005
| [   35.312459][ T1005] Modules linked in: netdevsim
| [   35.313050][ T1005] Tainted: [W]=WARN
[   35.313243][ T1005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.313485][ T1005] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.313723][ T1005] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.314267][ T1005] RSP: 0018:ffa00000026371b0 EFLAGS: 00010286
[   35.314513][ T1005] RAX: 00000000ffffffa6 RBX: ff110000094a5240 RCX: 1ff40000004c6dfc
[   35.314769][ T1005] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a52f0
[   35.315032][ T1005] RBP: ff110000087ec000 R08: 1fe2200001294a5f R09: ff1100000c10d1a8
[   35.315297][ T1005] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.315568][ T1005] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.315830][ T1005] FS:  00007efe4594f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   35.316125][ T1005] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.316374][ T1005] CR2: 00000000004a77b8 CR3: 0000000008e3f005 CR4: 0000000000771ef0
[   35.316636][ T1005] PKRU: 55555554
[   35.316789][ T1005] Call Trace:
[   35.316944][ T1005]  <TASK>
[   35.317066][ T1005]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.317259][ T1005]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.317483][ T1005]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.317675][ T1005]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.317831][ T1005]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   35.318023][ T1005]  __dev_notify_flags (net/core/dev.c:9787)
[   35.318218][ T1005]  ? netif_change_name (net/core/dev.c:1495)
[   35.318435][ T1005]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.318662][ T1005]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   35.318856][ T1005]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   35.319047][ T1005]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   35.319239][ T1005]  ? __dev_get_by_name (net/core/dev.c:883)
[   35.319496][ T1005]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   35.319727][ T1005]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   35.319930][ T1005]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.320123][ T1005]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.320319][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.320526][ T1005]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.320714][ T1005]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.320906][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.321102][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.321300][ T1005]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.321506][ T1005]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.321697][ T1005]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.321888][ T1005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.322079][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.322278][ T1005]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.322481][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.322675][ T1005]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.322865][ T1005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.323057][ T1005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.323249][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.323461][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.323663][ T1005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.323859][ T1005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.324049][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.324245][ T1005]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.324457][ T1005]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.324649][ T1005]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.324842][ T1005]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.325033][ T1005]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.325223][ T1005]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.325467][ T1005]  ? move_addr_to_kernel (net/socket.c:258)
[   35.325658][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.325850][ T1005]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   35.326042][ T1005]  ___sys_sendmsg (net/socket.c:2752)
[   35.326236][ T1005]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   35.326443][ T1005]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.326636][ T1005]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   35.326830][ T1005]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   35.327023][ T1005]  __sys_sendmsg (net/socket.c:2784)
[   35.327216][ T1005]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.327439][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.327632][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.327823][ T1005]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.328015][ T1005]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.328208][ T1005]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.328420][ T1005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.328648][ T1005] RIP: 0033:0x7efe45b8908e
[   35.328846][ T1005] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.329411][ T1005] RSP: 002b:00007fffa3bd7330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.329678][ T1005] RAX: ffffffffffffffda RBX: 00007fffa3bd7ae0 RCX: 00007efe45b8908e
[   35.329941][ T1005] RDX: 0000000000000000 RSI: 00007fffa3bd73e0 RDI: 0000000000000005
[   35.330200][ T1005] RBP: 00007fffa3bd7340 R08: 0000000000000000 R09: 0000000000000000
[   35.330479][ T1005] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.330737][ T1005] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa3bd7ab0
| [   35.361539][ T1006] ------------[ cut here ]------------
| [   35.361713][ T1006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1006
| [   35.361995][ T1006] Modules linked in: netdevsim
| [   35.362446][ T1006] Tainted: [W]=WARN
[   35.362551][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.362724][ T1006] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.362905][ T1006] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.363410][ T1006] RSP: 0018:ffa0000002637020 EFLAGS: 00010286
[   35.363592][ T1006] RAX: 00000000ffffffa6 RBX: ff110000094a5cc0 RCX: 1ff40000004c6dca
[   35.363801][ T1006] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a5d70
[   35.364008][ T1006] RBP: ff110000087ec000 R08: 1fe2200001294baf R09: ff1100000c6bae80
[   35.364223][ T1006] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   35.364519][ T1006] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.364730][ T1006] FS:  00007f9af6016840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   35.364974][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.365171][ T1006] CR2: 00000000272d4988 CR3: 000000000b02c005 CR4: 0000000000771ef0
[   35.365439][ T1006] PKRU: 55555554
[   35.365546][ T1006] Call Trace:
[   35.365648][ T1006]  <TASK>
[   35.365721][ T1006]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   35.365865][ T1006]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.366007][ T1006]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.366113][ T1006]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.366254][ T1006]  __dev_notify_flags (net/core/dev.c:9787)
[   35.366511][ T1006]  ? netif_change_name (net/core/dev.c:1495)
[   35.366717][ T1006]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.366923][ T1006]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.367134][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.367410][ T1006]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   35.367645][ T1006]  netif_change_flags (net/core/dev.c:9820)
[   35.367785][ T1006]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.367925][ T1006]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.368064][ T1006]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.368237][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.368463][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.368602][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.368741][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.368878][ T1006]  ? __kernel_text_address (kernel/extable.c:79)
[   35.369016][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.369155][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.369311][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.369588][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.369783][ T1006]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.369923][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.370060][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.370197][ T1006]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.370403][ T1006]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   35.370541][ T1006]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.370676][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.370814][ T1006]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.370953][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.371094][ T1006]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.371233][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.371474][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.371628][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.371830][ T1006]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.372033][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.372253][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.372471][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.372682][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.372886][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.373073][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.373210][ T1006]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.373360][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.373499][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.373636][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.373775][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.373910][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.374047][ T1006]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.374185][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.374335][ T1006]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.374473][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.374609][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.374748][ T1006]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.374904][ T1006]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.375045][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.375184][ T1006]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.375333][ T1006]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.375473][ T1006]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.375611][ T1006]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.375748][ T1006]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.375886][ T1006]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.376056][ T1006]  ? move_addr_to_kernel (net/socket.c:258)
[   35.376197][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.376351][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.376491][ T1006]  ___sys_sendmsg (net/socket.c:2752)
[   35.376626][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.376794][ T1006]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.376946][ T1006]  __sys_sendmsg (net/socket.c:2784)
[   35.377085][ T1006]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.377223][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.377416][ T1006]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.377553][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.377690][ T1006]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.377828][ T1006]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.377964][ T1006]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.378105][ T1006]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.378290][ T1006] RIP: 0033:0x7f9af625008e
[   35.378445][ T1006] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.378930][ T1006] RSP: 002b:00007fff337ecda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.379144][ T1006] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9af625008e
[   35.379363][ T1006] RDX: 0000000000000000 RSI: 00007fff337ece50 RDI: 0000000000000005
[   35.379570][ T1006] RBP: 00007fff337ecdb0 R08: 0000000000000000 R09: 0000000000000000
[   35.379776][ T1006] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.379980][ T1006] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff337ed520
| [   35.460740][ T1008] ------------[ cut here ]------------
| [   35.460947][ T1008] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1008
| [   35.461235][ T1008] Modules linked in: netdevsim
| [   35.461864][ T1008] Tainted: [W]=WARN
[   35.461976][ T1008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.462158][ T1008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.462358][ T1008] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.462862][ T1008] RSP: 0018:ffa00000026571b0 EFLAGS: 00010286
[   35.463060][ T1008] RAX: 00000000ffffffa6 RBX: ff11000004b0bb40 RCX: 1ff40000004cadfc
[   35.463286][ T1008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0bbf0
[   35.463507][ T1008] RBP: ff11000008104000 R08: 1fe220000096177f R09: ff1100000904aea8
[   35.463725][ T1008] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.463942][ T1008] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.464155][ T1008] FS:  00007f333a3b4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   35.464416][ T1008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.464597][ T1008] CR2: 00000000004a77b8 CR3: 000000000c6ff001 CR4: 0000000000771ef0
[   35.464809][ T1008] PKRU: 55555554
[   35.464917][ T1008] Call Trace:
[   35.465024][ T1008]  <TASK>
[   35.465098][ T1008]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.465243][ T1008]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.465398][ T1008]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.465542][ T1008]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.465652][ T1008]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   35.465793][ T1008]  __dev_notify_flags (net/core/dev.c:9787)
[   35.465939][ T1008]  ? netif_change_name (net/core/dev.c:1495)
[   35.466086][ T1008]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.466263][ T1008]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   35.466415][ T1008]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   35.466558][ T1008]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   35.466700][ T1008]  ? __dev_get_by_name (net/core/dev.c:883)
[   35.466842][ T1008]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   35.466990][ T1008]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   35.467138][ T1008]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.467285][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.467429][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.467571][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.467711][ T1008]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.467856][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.468003][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.468146][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.468291][ T1008]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.468438][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.468578][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.468717][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.468863][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.469005][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.469147][ T1008]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.469297][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.469446][ T1008]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.469595][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.469735][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.469879][ T1008]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.470024][ T1008]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.470165][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.470318][ T1008]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.470466][ T1008]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.470608][ T1008]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.470753][ T1008]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.470895][ T1008]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.471041][ T1008]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.471215][ T1008]  ? move_addr_to_kernel (net/socket.c:258)
[   35.471369][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.471511][ T1008]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   35.471654][ T1008]  ___sys_sendmsg (net/socket.c:2752)
[   35.471821][ T1008]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   35.471962][ T1008]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.472111][ T1008]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   35.472257][ T1008]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   35.472448][ T1008]  __sys_sendmsg (net/socket.c:2784)
[   35.472591][ T1008]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.472736][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.472877][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.473020][ T1008]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.473163][ T1008]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.473316][ T1008]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.473463][ T1008]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.473639][ T1008] RIP: 0033:0x7f333a5ee08e
[   35.473790][ T1008] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.474298][ T1008] RSP: 002b:00007ffd5e04d090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.474520][ T1008] RAX: ffffffffffffffda RBX: 00007ffd5e04d840 RCX: 00007f333a5ee08e
[   35.474731][ T1008] RDX: 0000000000000000 RSI: 00007ffd5e04d140 RDI: 0000000000000005
[   35.474943][ T1008] RBP: 00007ffd5e04d0a0 R08: 0000000000000000 R09: 0000000000000000
[   35.475152][ T1008] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.475375][ T1008] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e04d810
| [   35.518717][ T1009] ------------[ cut here ]------------
| [   35.519028][ T1009] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1009
| [   35.519512][ T1009] Modules linked in: netdevsim
| [   35.520277][ T1009] Tainted: [W]=WARN
[   35.520505][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.520812][ T1009] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.521144][ T1009] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.522078][ T1009] RSP: 0018:ffa0000002667020 EFLAGS: 00010286
[   35.522589][ T1009] RAX: 00000000ffffffa6 RBX: ff11000004b0aac0 RCX: 1ff40000004ccdca
[   35.523070][ T1009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0ab70
[   35.523503][ T1009] RBP: ff11000008104000 R08: 1fe220000096156f R09: ff1100000c04ae80
[   35.523853][ T1009] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   35.524222][ T1009] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.524609][ T1009] FS:  00007f0028bb0840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   35.524962][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.525187][ T1009] CR2: 00007f0028e801a0 CR3: 000000000c2dd001 CR4: 0000000000771ef0
[   35.525466][ T1009] PKRU: 55555554
[   35.525623][ T1009] Call Trace:
[   35.525776][ T1009]  <TASK>
[   35.525901][ T1009]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.526095][ T1009]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.526254][ T1009]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.526477][ T1009]  __dev_notify_flags (net/core/dev.c:9787)
[   35.526672][ T1009]  ? netif_change_name (net/core/dev.c:1495)
[   35.526868][ T1009]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.527066][ T1009]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.527260][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.527482][ T1009]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   35.527682][ T1009]  netif_change_flags (net/core/dev.c:9820)
[   35.527876][ T1009]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.528070][ T1009]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.528259][ T1009]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.528560][ T1009]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.528791][ T1009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.529023][ T1009]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.529261][ T1009]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.529514][ T1009]  ? __kernel_text_address (kernel/extable.c:79)
[   35.529745][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.529980][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.530209][ T1009]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.530468][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.530698][ T1009]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.530931][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.531132][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.531358][ T1009]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.531555][ T1009]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   35.531745][ T1009]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.531937][ T1009]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.532128][ T1009]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.532339][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.532533][ T1009]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.532723][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.532911][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.533103][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.533299][ T1009]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.533511][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.533705][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.533892][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.534084][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.534282][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.534484][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.534670][ T1009]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.534859][ T1009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.535045][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.535243][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.535510][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.535711][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.535900][ T1009]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.536086][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.536308][ T1009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.536596][ T1009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.536866][ T1009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.537140][ T1009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.537442][ T1009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.537706][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.537937][ T1009]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.538129][ T1009]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.538323][ T1009]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.538529][ T1009]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.538723][ T1009]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.538910][ T1009]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.539135][ T1009]  ? move_addr_to_kernel (net/socket.c:258)
[   35.539346][ T1009]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.539534][ T1009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.539726][ T1009]  ___sys_sendmsg (net/socket.c:2752)
[   35.539911][ T1009]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.540130][ T1009]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.540426][ T1009]  __sys_sendmsg (net/socket.c:2784)
[   35.540681][ T1009]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.540872][ T1009]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.541098][ T1009]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.541295][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.541560][ T1009]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.541818][ T1009]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.542080][ T1009]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.542315][ T1009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.542630][ T1009] RIP: 0033:0x7f0028dea08e
[   35.542870][ T1009] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.543535][ T1009] RSP: 002b:00007ffcb5f608b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.543799][ T1009] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0028dea08e
[   35.544057][ T1009] RDX: 0000000000000000 RSI: 00007ffcb5f60960 RDI: 0000000000000005
[   35.544320][ T1009] RBP: 00007ffcb5f608c0 R08: 0000000000000000 R09: 0000000000000000
[   35.544590][ T1009] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf79
[   35.544846][ T1009] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb5f61030
| [   35.730200][ T1013] ------------[ cut here ]------------
| [   35.730518][ T1013] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/1013
| [   35.731037][ T1013] Modules linked in: netdevsim
| [   35.731842][ T1013] Tainted: [W]=WARN
[   35.732037][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.732356][ T1013] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.732682][ T1013] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.733585][ T1013] RSP: 0018:ffa0000002697310 EFLAGS: 00010286
[   35.733908][ T1013] RAX: 00000000ffffffa6 RBX: ff110000091110c0 RCX: 1ff40000004d2e28
[   35.734286][ T1013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111170
[   35.734668][ T1013] RBP: ff1100000c3fa000 R08: 1fe220000122222f R09: ff11000004f82ed0
[   35.735050][ T1013] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.735444][ T1013] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.735822][ T1013] FS:  00007f0bc9b6a840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   35.736260][ T1013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.736592][ T1013] CR2: 00007f0bca11f004 CR3: 00000000106b7006 CR4: 0000000000771ef0
[   35.736964][ T1013] PKRU: 55555554
[   35.737153][ T1013] Call Trace:
[   35.737496][ T1013]  <TASK>
[   35.737630][ T1013]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.737953][ T1013]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.738267][ T1013]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   35.738715][ T1013]  ? netdev_run_todo (net/core/dev.c:11703)
[   35.738977][ T1013]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.739233][ T1013]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   35.739618][ T1013]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   35.739866][ T1013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.740115][ T1013]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.740511][ T1013] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   35.740762][ T1013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.741018][ T1013] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   35.741438][ T1013] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   35.741754][ T1013] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   35.742068][ T1013]  devlink_reload (net/devlink/dev.c:462)
[   35.742332][ T1013]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   35.742582][ T1013]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   35.742898][ T1013]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   35.743151][ T1013]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   35.743473][ T1013]  ? __nla_validate_parse (lib/nlattr.c:635)
[   35.743724][ T1013]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   35.743974][ T1013]  ? __nla_parse (lib/nlattr.c:732)
[   35.744225][ T1013]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   35.744488][ T1013]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   35.744806][ T1013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.745053][ T1013]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.745305][ T1013]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.745566][ T1013]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   35.745819][ T1013]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   35.746127][ T1013]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.746449][ T1013]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   35.746698][ T1013]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   35.746943][ T1013]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   35.747192][ T1013]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.747459][ T1013]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   35.747706][ T1013]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.747956][ T1013]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   35.748207][ T1013]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.748478][ T1013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.748725][ T1013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.748976][ T1013]  genl_rcv (net/netlink/genetlink.c:1218)
[   35.749162][ T1013]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.749422][ T1013]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.749667][ T1013]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.749918][ T1013]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.750169][ T1013]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.750447][ T1013]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.750693][ T1013]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.750941][ T1013]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   35.751183][ T1013]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   35.751447][ T1013]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   35.751688][ T1013]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.751980][ T1013]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.752227][ T1013]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.752465][ T1013]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.752695][ T1013]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.752920][ T1013]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.753141][ T1013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.753437][ T1013] RIP: 0033:0x7f0bc9da408e
[   35.753671][ T1013] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.754494][ T1013] RSP: 002b:00007ffcee37f230 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   35.754854][ T1013] RAX: ffffffffffffffda RBX: 0000000011605980 RCX: 00007f0bc9da408e
[   35.755191][ T1013] RDX: 0000000000000038 RSI: 0000000011605ba0 RDI: 0000000000000005
[   35.755560][ T1013] RBP: 00007ffcee37f240 R08: 00007f0bca058980 R09: 000000000000000c
[   35.755928][ T1013] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   35.756267][ T1013] R13: 0000000011605980 R14: 0000000000000000 R15: 0000000000000003
| [   35.839688][ T1013] ------------[ cut here ]------------
| [   35.839976][ T1013] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/1013
| [   35.840502][ T1013] Modules linked in: netdevsim
| [   35.841311][ T1013] Tainted: [W]=WARN
[   35.841509][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.841815][ T1013] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.842128][ T1013] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.843019][ T1013] RSP: 0018:ffa0000002697268 EFLAGS: 00010286
[   35.843349][ T1013] RAX: 00000000ffffffa6 RBX: ff11000009068640 RCX: 1ff40000004d2e13
[   35.843710][ T1013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090686f0
[   35.844078][ T1013] RBP: ff1100000ce7a000 R08: 1fe220000120d0df R09: ff11000004f82ed0
[   35.844461][ T1013] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   35.844827][ T1013] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce7a000
[   35.845197][ T1013] FS:  00007f0bc9b6a840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   35.845641][ T1013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.845952][ T1013] CR2: 000055fc19239d28 CR3: 00000000106b7003 CR4: 0000000000771ef0
[   35.846337][ T1013] PKRU: 55555554
[   35.846521][ T1013] Call Trace:
[   35.846701][ T1013]  <TASK>
[   35.846826][ T1013]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.847081][ T1013]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.847278][ T1013]  register_netdevice (net/core/dev.c:11488)
[   35.847537][ T1013]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.847839][ T1013]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   35.848084][ T1013] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   35.848373][ T1013] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   35.848621][ T1013] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   35.848928][ T1013]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   35.849179][ T1013]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   35.849493][ T1013]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   35.849736][ T1013]  ? static_obj (kernel/locking/lockdep.c:858)
[   35.849917][ T1013]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.850159][ T1013]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   35.850481][ T1013] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   35.850790][ T1013]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   35.851100][ T1013]  devlink_reload (net/devlink/dev.c:475)
[   35.851359][ T1013]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   35.851605][ T1013]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   35.851916][ T1013]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   35.852160][ T1013]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   35.852475][ T1013]  ? __nla_validate_parse (lib/nlattr.c:635)
[   35.852725][ T1013]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   35.852972][ T1013]  ? __nla_parse (lib/nlattr.c:732)
[   35.853219][ T1013]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   35.853477][ T1013]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   35.853789][ T1013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.854035][ T1013]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.854283][ T1013]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.854543][ T1013]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   35.854789][ T1013]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   35.855089][ T1013]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.855405][ T1013]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   35.855648][ T1013]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   35.855893][ T1013]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   35.856141][ T1013]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.856406][ T1013]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   35.856646][ T1013]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.856891][ T1013]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   35.857139][ T1013]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.857405][ T1013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.857646][ T1013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.857893][ T1013]  genl_rcv (net/netlink/genetlink.c:1218)
[   35.858081][ T1013]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.858346][ T1013]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.858592][ T1013]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.858841][ T1013]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.859085][ T1013]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.859338][ T1013]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.859587][ T1013]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.859834][ T1013]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   35.860086][ T1013]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   35.860365][ T1013]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   35.860608][ T1013]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.860909][ T1013]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.861154][ T1013]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.861411][ T1013]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.861655][ T1013]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.861900][ T1013]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.862142][ T1013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.862462][ T1013] RIP: 0033:0x7f0bc9da408e
[   35.862721][ T1013] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.863597][ T1013] RSP: 002b:00007ffcee37f230 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   35.863971][ T1013] RAX: ffffffffffffffda RBX: 0000000011605980 RCX: 00007f0bc9da408e
[   35.864349][ T1013] RDX: 0000000000000038 RSI: 0000000011605ba0 RDI: 0000000000000005
[   35.864709][ T1013] RBP: 00007ffcee37f240 R08: 00007f0bca058980 R09: 000000000000000c
[   35.865078][ T1013] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   35.865464][ T1013] R13: 0000000011605980 R14: 0000000000000000 R15: 0000000000000003
| [   36.109632][ T1025] ------------[ cut here ]------------
| [   36.109907][ T1025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1025
| [   36.110357][ T1025] Modules linked in: netdevsim
| [   36.111017][ T1025] Tainted: [W]=WARN
[   36.111183][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.111485][ T1025] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.111763][ T1025] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.112539][ T1025] RSP: 0018:ffa0000002717010 EFLAGS: 00010286
[   36.112822][ T1025] RAX: 00000000ffffffa6 RBX: ff1100000dd2cc40 RCX: 1ff40000004e2dc8
[   36.113146][ T1025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dd2ccf0
[   36.113477][ T1025] RBP: ff110000087ec000 R08: 1fe2200001ba599f R09: ff11000008e20b80
[   36.113796][ T1025] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   36.114117][ T1025] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002717100
[   36.114451][ T1025] FS:  00007f9006fc7840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   36.114825][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.115089][ T1025] CR2: 000000001f121988 CR3: 000000000eeb0003 CR4: 0000000000771ef0
[   36.115550][ T1025] PKRU: 55555554
[   36.115713][ T1025] Call Trace:
[   36.115876][ T1025]  <TASK>
[   36.115991][ T1025]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.116213][ T1025]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.116528][ T1025]  netif_close_many (net/core/dev.c:1804)
[   36.116744][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.116964][ T1025]  ? __dev_close_many (net/core/dev.c:1781)
[   36.117181][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.117546][ T1025]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   36.117759][ T1025]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.117971][ T1025]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   36.118246][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.118629][ T1025]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.118893][ T1025]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   36.119105][ T1025]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.119323][ T1025]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   36.119596][ T1025]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   36.119806][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.120022][ T1025]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   36.120231][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.120459][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.120677][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.120891][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.121103][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.121368][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.121578][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.121794][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.122012][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.122217][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.122448][ T1025]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   36.122665][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.122882][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.123089][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.123301][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.123524][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.123736][ T1025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.123948][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.124160][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.124383][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.124602][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.124812][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.125026][ T1025]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.125234][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.125454][ T1025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.125667][ T1025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.125879][ T1025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.126100][ T1025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.126321][ T1025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.126542][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.126756][ T1025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.126968][ T1025]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.127178][ T1025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.127405][ T1025]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.127613][ T1025]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.127827][ T1025]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.128088][ T1025]  ? move_addr_to_kernel (net/socket.c:258)
[   36.128306][ T1025]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.128530][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.128744][ T1025]  ___sys_sendmsg (net/socket.c:2752)
[   36.128952][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.129215][ T1025]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.129470][ T1025]  __sys_sendmsg (net/socket.c:2784)
[   36.129682][ T1025]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.129890][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.130161][ T1025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.130388][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.130602][ T1025]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.130812][ T1025]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.131020][ T1025]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.131230][ T1025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.131501][ T1025] RIP: 0033:0x7f900720108e
[   36.131727][ T1025] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.132498][ T1025] RSP: 002b:00007ffcda573fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.132822][ T1025] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f900720108e
[   36.133139][ T1025] RDX: 0000000000000000 RSI: 00007ffcda574060 RDI: 0000000000000005
[   36.133468][ T1025] RBP: 00007ffcda573fc0 R08: 0000000000000000 R09: 0000000000000000
[   36.133776][ T1025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7a
[   36.134092][ T1025] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcda574730
| [   36.139169][ T1025] ------------[ cut here ]------------
| [   36.139398][ T1025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1025
| [   36.139784][ T1025] Modules linked in: netdevsim
| [   36.140425][ T1025] Tainted: [W]=WARN
[   36.140578][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.140830][ T1025] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.141088][ T1025] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.141812][ T1025] RSP: 0018:ffa0000002717190 EFLAGS: 00010286
[   36.142069][ T1025] RAX: 00000000ffffffa6 RBX: ff1100000c647b40 RCX: 1ff40000004e2df8
[   36.142375][ T1025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c647bf0
[   36.142670][ T1025] RBP: ff110000087ec000 R08: 1fe22000018c8f7f R09: ff11000008e20b58
[   36.142968][ T1025] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.143257][ T1025] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.143570][ T1025] FS:  00007f9006fc7840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   36.143913][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.144162][ T1025] CR2: 000000001f121988 CR3: 000000000eeb0003 CR4: 0000000000771ef0
[   36.144483][ T1025] PKRU: 55555554
[   36.144648][ T1025] Call Trace:
[   36.144810][ T1025]  <TASK>
[   36.144916][ T1025]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.145172][ T1025]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.145443][ T1025]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   36.145644][ T1025]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.145840][ T1025]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   36.146087][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.146293][ T1025]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   36.146503][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.146700][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.146898][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.147099][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.147308][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.147552][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.147750][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.147953][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.148149][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.148355][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.148550][ T1025]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   36.148752][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.148948][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.149144][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.149364][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.149568][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.149768][ T1025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.149970][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.150166][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.150378][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.150577][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.150774][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.150985][ T1025]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.151186][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.151401][ T1025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.151607][ T1025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.151801][ T1025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.152003][ T1025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.152212][ T1025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.152425][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.152626][ T1025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.152828][ T1025]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.153027][ T1025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.153229][ T1025]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.153441][ T1025]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.153636][ T1025]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.153879][ T1025]  ? move_addr_to_kernel (net/socket.c:258)
[   36.154083][ T1025]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.154284][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.154495][ T1025]  ___sys_sendmsg (net/socket.c:2752)
[   36.154693][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.154943][ T1025]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.155166][ T1025]  __sys_sendmsg (net/socket.c:2784)
[   36.155377][ T1025]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.155576][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.155824][ T1025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.156025][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.156223][ T1025]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.156432][ T1025]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.156625][ T1025]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.156819][ T1025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.157065][ T1025] RIP: 0033:0x7f900720108e
[   36.157271][ T1025] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.157994][ T1025] RSP: 002b:00007ffcda573fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.158297][ T1025] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f900720108e
[   36.158605][ T1025] RDX: 0000000000000000 RSI: 00007ffcda574060 RDI: 0000000000000005
[   36.158902][ T1025] RBP: 00007ffcda573fc0 R08: 0000000000000000 R09: 0000000000000000
[   36.159197][ T1025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7a
[   36.159503][ T1025] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcda574730
| [   36.221207][ T1026] ------------[ cut here ]------------
| [   36.221446][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1026
| [   36.221775][ T1026] Modules linked in: netdevsim
| [   36.222262][ T1026] Tainted: [W]=WARN
[   36.222397][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.222593][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.222787][ T1026] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.223287][ T1026] RSP: 0018:ffa0000002727010 EFLAGS: 00010286
[   36.223471][ T1026] RAX: 00000000ffffffa6 RBX: ff11000004ec1240 RCX: 1ff40000004e4dc8
[   36.223680][ T1026] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec12f0
[   36.223892][ T1026] RBP: ff11000008104000 R08: 1fe22000009d825f R09: ff11000008e25180
[   36.224101][ T1026] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   36.224312][ T1026] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002727100
[   36.224539][ T1026] FS:  00007fe1a378a840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   36.224789][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.224966][ T1026] CR2: 00000000332b9988 CR3: 0000000004d78006 CR4: 0000000000771ef0
[   36.225185][ T1026] PKRU: 55555554
[   36.225295][ T1026] Call Trace:
[   36.225404][ T1026]  <TASK>
[   36.225478][ T1026]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.225623][ T1026]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.225730][ T1026]  netif_close_many (net/core/dev.c:1804)
[   36.225879][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.226019][ T1026]  ? __dev_close_many (net/core/dev.c:1781)
[   36.226158][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.226315][ T1026]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   36.226471][ T1026]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.226621][ T1026]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   36.226803][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.226943][ T1026]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.227122][ T1026]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   36.227287][ T1026]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.227539][ T1026]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   36.227713][ T1026]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   36.227853][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.227993][ T1026]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   36.228137][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.228288][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.228520][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.228659][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.228796][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.228962][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.229099][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.229237][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.229468][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.229617][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.229860][ T1026]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   36.230004][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.230143][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.230284][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.230467][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.230608][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.230747][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.231146][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.231318][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.231476][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.231626][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.231766][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.231904][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.232044][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.232182][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.232338][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.232475][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.232615][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.232777][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.232917][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.233057][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.233196][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.233346][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.233489][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.233628][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.233776][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.233963][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   36.234110][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.234258][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.234406][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   36.234541][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.234712][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.234863][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   36.235011][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.235147][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.235335][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.235476][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.235618][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.235756][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.235894][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.236034][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.236222][ T1026] RIP: 0033:0x7fe1a39c408e
[   36.236382][ T1026] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.236871][ T1026] RSP: 002b:00007ffd49ca4f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.237094][ T1026] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe1a39c408e
[   36.237308][ T1026] RDX: 0000000000000000 RSI: 00007ffd49ca5010 RDI: 0000000000000005
[   36.237518][ T1026] RBP: 00007ffd49ca4f70 R08: 0000000000000000 R09: 0000000000000000
[   36.237724][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7a
[   36.237934][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd49ca56e0
| [   36.242632][ T1026] ------------[ cut here ]------------
| [   36.242860][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1026
| [   36.243288][ T1026] Modules linked in: netdevsim
| [   36.243939][ T1026] Tainted: [W]=WARN
[   36.244106][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.244381][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.244651][ T1026] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.245402][ T1026] RSP: 0018:ffa0000002727190 EFLAGS: 00010286
[   36.245666][ T1026] RAX: 00000000ffffffa6 RBX: ff11000004ec1b40 RCX: 1ff40000004e4df8
[   36.245975][ T1026] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1bf0
[   36.246286][ T1026] RBP: ff11000008104000 R08: 1fe22000009d837f R09: ff11000008e25158
[   36.246606][ T1026] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.246911][ T1026] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.247218][ T1026] FS:  00007fe1a378a840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   36.247591][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.247845][ T1026] CR2: 000055fc1923a198 CR3: 0000000004d78005 CR4: 0000000000771ef0
[   36.248147][ T1026] PKRU: 55555554
[   36.248311][ T1026] Call Trace:
[   36.248476][ T1026]  <TASK>
[   36.248584][ T1026]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.248853][ T1026]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.249110][ T1026]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   36.249337][ T1026]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.249542][ T1026]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   36.249794][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.249997][ T1026]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   36.250202][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.250416][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.250627][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.250838][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.251050][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.251298][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.251515][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.251731][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.251933][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.252134][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.252348][ T1026]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   36.252566][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.252769][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.252974][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.253170][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.253386][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   36.253587][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.253795][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.254000][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.254206][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.254427][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.254628][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.254831][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.255038][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.255244][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.255459][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.255662][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.255872][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.256075][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.256279][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.256489][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.256685][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.256884][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.257090][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.257300][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.257512][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.257758][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   36.257968][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.258166][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.258385][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   36.258581][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.258837][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.259060][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   36.259256][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.259472][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.259736][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.259952][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.260159][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.260383][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.260583][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.260784][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.261032][ T1026] RIP: 0033:0x7fe1a39c408e
[   36.261242][ T1026] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.261978][ T1026] RSP: 002b:00007ffd49ca4f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.262291][ T1026] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe1a39c408e
[   36.262600][ T1026] RDX: 0000000000000000 RSI: 00007ffd49ca5010 RDI: 0000000000000005
[   36.262897][ T1026] RBP: 00007ffd49ca4f70 R08: 0000000000000000 R09: 0000000000000000
[   36.263199][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7a
[   36.263511][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd49ca56e0
| [   36.368649][ T1035] ------------[ cut here ]------------
| [   36.368828][ T1035] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1035
| [   36.369119][ T1035] Modules linked in: netdevsim
| [   36.369578][ T1035] Tainted: [W]=WARN
[   36.369685][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.369861][ T1035] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.370052][ T1035] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.370578][ T1035] RSP: 0018:ffa00000027971b0 EFLAGS: 00010286
[   36.370760][ T1035] RAX: 00000000ffffffa6 RBX: ff110000093df0c0 RCX: 1ff40000004f2dfc
[   36.370978][ T1035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093df170
[   36.371192][ T1035] RBP: ff11000007a71000 R08: 1fe220000127be2f R09: ff11000010768ba8
[   36.371414][ T1035] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.371625][ T1035] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.371840][ T1035] FS:  00007fd9b0797840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   36.372094][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.372276][ T1035] CR2: 00000000004a77b8 CR3: 000000000c35f005 CR4: 0000000000771ef0
[   36.372497][ T1035] PKRU: 55555554
[   36.372606][ T1035] Call Trace:
[   36.372717][ T1035]  <TASK>
[   36.372793][ T1035]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.372942][ T1035]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.373088][ T1035]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.373232][ T1035]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.373355][ T1035]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   36.373502][ T1035]  __dev_notify_flags (net/core/dev.c:9787)
[   36.373643][ T1035]  ? netif_change_name (net/core/dev.c:1495)
[   36.373784][ T1035]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.373958][ T1035]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.374105][ T1035]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   36.374249][ T1035]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.375068][ T1035]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.375212][ T1035]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.375397][ T1035]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.375545][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.375688][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.375827][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.375967][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.376109][ T1035]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.376249][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.376403][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.376544][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.376684][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.376825][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.376967][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.377107][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.377260][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.377409][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.377552][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.377692][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.377834][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.377977][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.378115][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.378258][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.378413][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.378553][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.378696][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.378839][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.378981][ T1035]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.379124][ T1035]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.379267][ T1035]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.379422][ T1035]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.379599][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   36.379741][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.379882][ T1035]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   36.380028][ T1035]  ___sys_sendmsg (net/socket.c:2752)
[   36.380167][ T1035]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   36.380314][ T1035]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.380470][ T1035]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   36.380617][ T1035]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   36.380762][ T1035]  __sys_sendmsg (net/socket.c:2784)
[   36.380905][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.381052][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.381195][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.381346][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.381490][ T1035]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.381637][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.381779][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.381957][ T1035] RIP: 0033:0x7fd9b09d108e
[   36.382111][ T1035] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.382631][ T1035] RSP: 002b:00007ffee9f03ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.382848][ T1035] RAX: ffffffffffffffda RBX: 00007ffee9f04260 RCX: 00007fd9b09d108e
[   36.383063][ T1035] RDX: 0000000000000000 RSI: 00007ffee9f03b60 RDI: 0000000000000005
[   36.383283][ T1035] RBP: 00007ffee9f03ac0 R08: 0000000000000000 R09: 0000000000000000
[   36.383504][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7a
[   36.383719][ T1035] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee9f04230
| [   36.434995][ T1036] ------------[ cut here ]------------
| [   36.435254][ T1036] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1036
| [   36.435724][ T1036] Modules linked in: netdevsim
| [   36.436966][ T1036] Tainted: [W]=WARN
[   36.437141][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.437546][ T1036] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.437960][ T1036] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.438778][ T1036] RSP: 0018:ffa00000027a7020 EFLAGS: 00010286
[   36.439070][ T1036] RAX: 00000000ffffffa6 RBX: ff110000093df9c0 RCX: 1ff40000004f4dca
[   36.439420][ T1036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dfa70
[   36.439754][ T1036] RBP: ff11000007a71000 R08: 1fe220000127bf4f R09: ff1100001076ae80
[   36.440090][ T1036] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   36.440443][ T1036] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.440780][ T1036] FS:  00007f063acfa840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   36.441166][ T1036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.441463][ T1036] CR2: 000000000aa59988 CR3: 0000000010766006 CR4: 0000000000771ef0
[   36.441786][ T1036] PKRU: 55555554
[   36.441952][ T1036] Call Trace:
[   36.442117][ T1036]  <TASK>
[   36.442232][ T1036]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   36.442470][ T1036]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.442692][ T1036]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.442860][ T1036]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.443080][ T1036]  __dev_notify_flags (net/core/dev.c:9787)
[   36.443306][ T1036]  ? netif_change_name (net/core/dev.c:1495)
[   36.443532][ T1036]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.443752][ T1036]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.443968][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.444192][ T1036]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.444430][ T1036]  netif_change_flags (net/core/dev.c:9820)
[   36.444656][ T1036]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.444883][ T1036]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.445106][ T1036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.445398][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.445622][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.445851][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.446073][ T1036]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.446296][ T1036]  ? __kernel_text_address (kernel/extable.c:79)
[   36.446535][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.446766][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.446991][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.447198][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.447440][ T1036]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.447654][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.447865][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.448075][ T1036]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.448295][ T1036]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.448526][ T1036]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.448746][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.448970][ T1036]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.449198][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.449434][ T1036]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.449657][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.449877][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.450100][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.450322][ T1036]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.450549][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.450781][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.451003][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.451219][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.451449][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.451675][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.451896][ T1036]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.452119][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.452355][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.452586][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.452812][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.453032][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.453256][ T1036]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.453489][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.453705][ T1036]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.453931][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.454149][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.454395][ T1036]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.454620][ T1036]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.454839][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.455064][ T1036]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.455295][ T1036]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.455527][ T1036]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.455751][ T1036]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.455978][ T1036]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.456198][ T1036]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.456491][ T1036]  ? move_addr_to_kernel (net/socket.c:258)
[   36.456714][ T1036]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.456935][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.457160][ T1036]  ___sys_sendmsg (net/socket.c:2752)
[   36.457388][ T1036]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.457659][ T1036]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.457896][ T1036]  __sys_sendmsg (net/socket.c:2784)
[   36.458111][ T1036]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.458340][ T1036]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.458615][ T1036]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.458836][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.459084][ T1036]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.459313][ T1036]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.459541][ T1036]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.459767][ T1036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.460042][ T1036] RIP: 0033:0x7f063af3408e
[   36.460277][ T1036] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.461070][ T1036] RSP: 002b:00007ffed43894a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.461414][ T1036] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f063af3408e
[   36.461735][ T1036] RDX: 0000000000000000 RSI: 00007ffed4389550 RDI: 0000000000000005
[   36.462060][ T1036] RBP: 00007ffed43894b0 R08: 0000000000000000 R09: 0000000000000000
[   36.462404][ T1036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7a
[   36.462727][ T1036] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed4389c20
| [   36.554910][ T1038] ------------[ cut here ]------------
| [   36.555212][ T1038] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/1038
| [   36.555717][ T1038] Modules linked in: netdevsim
| [   36.557011][ T1038] Tainted: [W]=WARN
[   36.557201][ T1038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.557534][ T1038] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.557851][ T1038] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.558740][ T1038] RSP: 0018:ffa00000027b7310 EFLAGS: 00010286
[   36.559034][ T1038] RAX: 00000000ffffffa6 RBX: ff11000004b0b540 RCX: 1ff40000004f6e28
[   36.559411][ T1038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b5f0
[   36.559788][ T1038] RBP: ff1100000ce7a000 R08: 1fe22000009616bf R09: ff1100000ae68bd0
[   36.560161][ T1038] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   36.560549][ T1038] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.560914][ T1038] FS:  00007fb444b64840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   36.561347][ T1038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.561634][ T1038] CR2: 00007fb445119004 CR3: 000000001075f005 CR4: 0000000000771ef0
[   36.561994][ T1038] PKRU: 55555554
[   36.562174][ T1038] Call Trace:
[   36.562369][ T1038]  <TASK>
[   36.562495][ T1038]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.562819][ T1038]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.563130][ T1038]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   36.563390][ T1038]  ? netdev_run_todo (net/core/dev.c:11703)
[   36.563649][ T1038]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   36.563905][ T1038]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   36.564155][ T1038]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   36.564423][ T1038]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.564677][ T1038]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   36.564936][ T1038] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   36.565191][ T1038]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.565463][ T1038] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   36.565787][ T1038] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   36.566112][ T1038] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   36.566439][ T1038]  devlink_reload (net/devlink/dev.c:462)
[   36.566701][ T1038]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   36.566951][ T1038]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   36.567253][ T1038]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   36.567500][ T1038]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   36.567787][ T1038]  ? __nla_validate_parse (lib/nlattr.c:635)
[   36.568030][ T1038]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   36.568271][ T1038]  ? __nla_parse (lib/nlattr.c:732)
[   36.568529][ T1038]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   36.568787][ T1038]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   36.569110][ T1038]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.569368][ T1038]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   36.569613][ T1038]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.569872][ T1038]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   36.570119][ T1038]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   36.570440][ T1038]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.570748][ T1038]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   36.571000][ T1038]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   36.571243][ T1038]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   36.571498][ T1038]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.571749][ T1038]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   36.572001][ T1038]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.572258][ T1038]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   36.572536][ T1038]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.572786][ T1038]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.573029][ T1038]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.573282][ T1038]  genl_rcv (net/netlink/genetlink.c:1218)
[   36.573477][ T1038]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.573733][ T1038]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.573994][ T1038]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.574250][ T1038]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.574515][ T1038]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.574767][ T1038]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.575036][ T1038]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.575321][ T1038]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   36.575576][ T1038]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   36.575838][ T1038]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   36.576073][ T1038]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.576383][ T1038]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.576609][ T1038]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.576842][ T1038]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.577078][ T1038]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.577322][ T1038]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.577569][ T1038]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.577872][ T1038] RIP: 0033:0x7fb444d9e08e
[   36.578136][ T1038] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.579015][ T1038] RSP: 002b:00007ffe4a340a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   36.579395][ T1038] RAX: ffffffffffffffda RBX: 000000000f727980 RCX: 00007fb444d9e08e
[   36.579766][ T1038] RDX: 0000000000000038 RSI: 000000000f727ba0 RDI: 0000000000000005
[   36.580136][ T1038] RBP: 00007ffe4a340a30 R08: 00007fb445052980 R09: 000000000000000c
[   36.580517][ T1038] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   36.580886][ T1038] R13: 000000000f727980 R14: 0000000000000000 R15: 0000000000000003
| [   36.639746][ T1038] ------------[ cut here ]------------
| [   36.640081][ T1038] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/1038
| [   36.640620][ T1038] Modules linked in: netdevsim
| [   36.641421][ T1038] Tainted: [W]=WARN
[   36.641616][ T1038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.641924][ T1038] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.642254][ T1038] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.643160][ T1038] RSP: 0018:ffa00000027b7268 EFLAGS: 00010286
[   36.643493][ T1038] RAX: 00000000ffffffa6 RBX: ff1100000ed6ec40 RCX: 1ff40000004f6e13
[   36.643865][ T1038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6ecf0
[   36.644239][ T1038] RBP: ff1100000cd42000 R08: 1fe2200001dadd9f R09: ff1100000ae68bd0
[   36.644632][ T1038] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   36.645009][ T1038] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cd42000
[   36.645402][ T1038] FS:  00007fb444b64840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   36.645847][ T1038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.646168][ T1038] CR2: 00007fb445119004 CR3: 000000001075f005 CR4: 0000000000771ef0
[   36.646559][ T1038] PKRU: 55555554
[   36.646747][ T1038] Call Trace:
[   36.646930][ T1038]  <TASK>
[   36.647061][ T1038]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.647322][ T1038]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.647521][ T1038]  register_netdevice (net/core/dev.c:11488)
[   36.647769][ T1038]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.648076][ T1038]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   36.648351][ T1038] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   36.648670][ T1038] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   36.648924][ T1038] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   36.649249][ T1038]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   36.649515][ T1038]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   36.649824][ T1038]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   36.650070][ T1038]  ? static_obj (kernel/locking/lockdep.c:858)
[   36.650258][ T1038]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.650538][ T1038]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   36.650852][ T1038] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   36.651187][ T1038]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   36.651535][ T1038]  devlink_reload (net/devlink/dev.c:475)
[   36.651792][ T1038]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   36.652042][ T1038]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   36.652391][ T1038]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   36.652639][ T1038]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   36.652958][ T1038]  ? __nla_validate_parse (lib/nlattr.c:635)
[   36.653210][ T1038]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   36.653474][ T1038]  ? __nla_parse (lib/nlattr.c:732)
[   36.653730][ T1038]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   36.653982][ T1038]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   36.654309][ T1038]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.654575][ T1038]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   36.654825][ T1038]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.655079][ T1038]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   36.655349][ T1038]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   36.655662][ T1038]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.655976][ T1038]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   36.656230][ T1038]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   36.656514][ T1038]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   36.656760][ T1038]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.657020][ T1038]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   36.657271][ T1038]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.657534][ T1038]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   36.657791][ T1038]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.658051][ T1038]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.658314][ T1038]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.658577][ T1038]  genl_rcv (net/netlink/genetlink.c:1218)
[   36.658761][ T1038]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.659011][ T1038]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.659267][ T1038]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.659538][ T1038]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.659790][ T1038]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.660035][ T1038]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.660294][ T1038]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.660555][ T1038]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   36.660806][ T1038]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   36.661080][ T1038]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   36.661339][ T1038]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.661646][ T1038]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.661893][ T1038]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.662148][ T1038]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.662416][ T1038]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.662665][ T1038]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.662906][ T1038]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.663211][ T1038] RIP: 0033:0x7fb444d9e08e
[   36.663484][ T1038] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.664408][ T1038] RSP: 002b:00007ffe4a340a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   36.664781][ T1038] RAX: ffffffffffffffda RBX: 000000000f727980 RCX: 00007fb444d9e08e
[   36.665144][ T1038] RDX: 0000000000000038 RSI: 000000000f727ba0 RDI: 0000000000000005
[   36.665540][ T1038] RBP: 00007ffe4a340a30 R08: 00007fb445052980 R09: 000000000000000c
[   36.665915][ T1038] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   36.666307][ T1038] R13: 000000000f727980 R14: 0000000000000000 R15: 0000000000000003
| [   37.564807][ T1062] ------------[ cut here ]------------
| [   37.565068][ T1062] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1062
| [   37.565403][ T1062] Modules linked in: netdevsim
| [   37.566054][ T1062] Tainted: [W]=WARN
[   37.566209][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.566434][ T1062] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.566628][ T1062] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.567116][ T1062] RSP: 0018:ffa00000028f7010 EFLAGS: 00010286
[   37.567300][ T1062] RAX: 00000000ffffffa6 RBX: ff1100000c6479c0 RCX: 1ff400000051edc8
[   37.567510][ T1062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c647a70
[   37.567720][ T1062] RBP: ff11000007a71000 R08: 1fe22000018c8f4f R09: ff1100000ee8d180
[   37.567928][ T1062] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   37.568140][ T1062] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000028f7100
[   37.568373][ T1062] FS:  00007fe989199840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   37.568625][ T1062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.568805][ T1062] CR2: 000000000e45d988 CR3: 00000000107fc001 CR4: 0000000000771ef0
[   37.569021][ T1062] PKRU: 55555554
[   37.569130][ T1062] Call Trace:
[   37.569238][ T1062]  <TASK>
[   37.569320][ T1062]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.569469][ T1062]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.569579][ T1062]  netif_close_many (net/core/dev.c:1804)
[   37.569719][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.569859][ T1062]  ? __dev_close_many (net/core/dev.c:1781)
[   37.569997][ T1062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.570139][ T1062]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   37.570276][ T1062]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.570452][ T1062]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   37.570622][ T1062]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.570760][ T1062]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.570929][ T1062]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.571067][ T1062]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.571204][ T1062]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.571496][ T1062]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.571632][ T1062]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.571772][ T1062]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   37.571910][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.572047][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.572184][ T1062]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.572409][ T1062]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.572551][ T1062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.572734][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.572877][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.573020][ T1062]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.573162][ T1062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.573304][ T1062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.573542][ T1062]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   37.573692][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.573835][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.573985][ T1062]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.574132][ T1062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.574279][ T1062]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.574526][ T1062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.574666][ T1062]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.574805][ T1062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.574942][ T1062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.575084][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.575221][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.575427][ T1062]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.575565][ T1062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.575703][ T1062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.575845][ T1062]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.575987][ T1062]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.576149][ T1062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.576297][ T1062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.576541][ T1062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.576688][ T1062]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.576834][ T1062]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.576975][ T1062]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.577114][ T1062]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.577252][ T1062]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.577440][ T1062]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.577627][ T1062]  ? move_addr_to_kernel (net/socket.c:258)
[   37.577769][ T1062]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.577910][ T1062]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.578053][ T1062]  ___sys_sendmsg (net/socket.c:2752)
[   37.578196][ T1062]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.578384][ T1062]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.578536][ T1062]  __sys_sendmsg (net/socket.c:2784)
[   37.578676][ T1062]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.578813][ T1062]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.578986][ T1062]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.579121][ T1062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.579268][ T1062]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.579424][ T1062]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.579569][ T1062]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.579716][ T1062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.579899][ T1062] RIP: 0033:0x7fe9893d308e
[   37.580153][ T1062] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.580746][ T1062] RSP: 002b:00007ffdab4ccc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.580961][ T1062] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe9893d308e
[   37.581178][ T1062] RDX: 0000000000000000 RSI: 00007ffdab4cccb0 RDI: 0000000000000005
[   37.581500][ T1062] RBP: 00007ffdab4ccc10 R08: 0000000000000000 R09: 0000000000000000
[   37.581704][ T1062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7b
[   37.581914][ T1062] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab4cd380
| [   37.594520][ T1062] ------------[ cut here ]------------
| [   37.594688][ T1062] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1062
| [   37.594957][ T1062] Modules linked in: netdevsim
| [   37.595374][ T1062] Tainted: [W]=WARN
[   37.595474][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.595636][ T1062] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.595818][ T1062] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.596288][ T1062] RSP: 0018:ffa00000028f7190 EFLAGS: 00010286
[   37.596461][ T1062] RAX: 00000000ffffffa6 RBX: ff1100000c6467c0 RCX: 1ff400000051edf8
[   37.596655][ T1062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c646870
[   37.596847][ T1062] RBP: ff11000007a71000 R08: 1fe22000018c8d0f R09: ff1100000ee8d158
[   37.597041][ T1062] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.597232][ T1062] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.597437][ T1062] FS:  00007fe989199840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   37.597679][ T1062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.597851][ T1062] CR2: 00007f0c4312e574 CR3: 00000000107fc002 CR4: 0000000000771ef0
[   37.598046][ T1062] PKRU: 55555554
[   37.598145][ T1062] Call Trace:
[   37.598242][ T1062]  <TASK>
[   37.598316][ T1062]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.598489][ T1062]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.598648][ T1062]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.598777][ T1062]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.598905][ T1062]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.599067][ T1062]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.599197][ T1062]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   37.599343][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.599475][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.599604][ T1062]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.599754][ T1062]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.599906][ T1062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.600055][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.600223][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.600363][ T1062]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.600497][ T1062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.600636][ T1062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.600771][ T1062]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   37.600912][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.601047][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.601180][ T1062]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.601320][ T1062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.601464][ T1062]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.601598][ T1062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.601735][ T1062]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.601872][ T1062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.602010][ T1062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.602146][ T1062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.602278][ T1062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.602424][ T1062]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.602552][ T1062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.602682][ T1062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.602815][ T1062]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.602945][ T1062]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.603081][ T1062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.603211][ T1062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.603354][ T1062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.603485][ T1062]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.603624][ T1062]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.603753][ T1062]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.603885][ T1062]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.604015][ T1062]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.604145][ T1062]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.604313][ T1062]  ? move_addr_to_kernel (net/socket.c:258)
[   37.604447][ T1062]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.604576][ T1062]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.604706][ T1062]  ___sys_sendmsg (net/socket.c:2752)
[   37.604834][ T1062]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.604997][ T1062]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.605146][ T1062]  __sys_sendmsg (net/socket.c:2784)
[   37.605275][ T1062]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.605417][ T1062]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.605580][ T1062]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.605710][ T1062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.605839][ T1062]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.605972][ T1062]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.606103][ T1062]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.606235][ T1062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.606405][ T1062] RIP: 0033:0x7fe9893d308e
[   37.606543][ T1062] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.607021][ T1062] RSP: 002b:00007ffdab4ccc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.607218][ T1062] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe9893d308e
[   37.607423][ T1062] RDX: 0000000000000000 RSI: 00007ffdab4cccb0 RDI: 0000000000000005
[   37.607618][ T1062] RBP: 00007ffdab4ccc10 R08: 0000000000000000 R09: 0000000000000000
[   37.607810][ T1062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7b
[   37.608003][ T1062] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab4cd380
| [   37.680602][ T1064] ------------[ cut here ]------------
| [   37.680795][ T1064] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1064
| [   37.681096][ T1064] Modules linked in: netdevsim
| [   37.681566][ T1064] Tainted: [W]=WARN
[   37.681681][ T1064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.681885][ T1064] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.682074][ T1064] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.682621][ T1064] RSP: 0018:ffa00000029171b0 EFLAGS: 00010286
[   37.682797][ T1064] RAX: 00000000ffffffa6 RBX: ff11000004ec0c40 RCX: 1ff4000000522dfc
[   37.683007][ T1064] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0cf0
[   37.683216][ T1064] RBP: ff11000008104000 R08: 1fe22000009d819f R09: ff11000008d62ea8
[   37.683444][ T1064] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.683658][ T1064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.683875][ T1064] FS:  00007fe8a51ec840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   37.684131][ T1064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.684318][ T1064] CR2: 00000000004a77b8 CR3: 000000000ccff004 CR4: 0000000000771ef0
[   37.684536][ T1064] PKRU: 55555554
[   37.684648][ T1064] Call Trace:
[   37.684757][ T1064]  <TASK>
[   37.684834][ T1064]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.684982][ T1064]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.685129][ T1064]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.685272][ T1064]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.685416][ T1064]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   37.685562][ T1064]  __dev_notify_flags (net/core/dev.c:9787)
[   37.685707][ T1064]  ? netif_change_name (net/core/dev.c:1495)
[   37.685856][ T1064]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.686038][ T1064]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.686183][ T1064]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   37.686337][ T1064]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.686484][ T1064]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.686630][ T1064]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.686780][ T1064]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.686929][ T1064]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.687079][ T1064]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.687220][ T1064]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.688159][ T1064]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.688315][ T1064]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.688466][ T1064]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.688614][ T1064]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.688758][ T1064]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.688906][ T1064]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.689049][ T1064]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.689189][ T1064]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.689340][ T1064]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.689483][ T1064]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.689622][ T1064]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.689766][ T1064]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.689906][ T1064]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.690052][ T1064]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.690196][ T1064]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.690347][ T1064]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.690491][ T1064]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.690631][ T1064]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.690774][ T1064]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.690916][ T1064]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.691062][ T1064]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.691207][ T1064]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.691361][ T1064]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.691502][ T1064]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.691677][ T1064]  ? move_addr_to_kernel (net/socket.c:258)
[   37.691822][ T1064]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.691964][ T1064]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   37.692111][ T1064]  ___sys_sendmsg (net/socket.c:2752)
[   37.692252][ T1064]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   37.692407][ T1064]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.692552][ T1064]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   37.692698][ T1064]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   37.692843][ T1064]  __sys_sendmsg (net/socket.c:2784)
[   37.692987][ T1064]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.693134][ T1064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.693278][ T1064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.693435][ T1064]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.693576][ T1064]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.693720][ T1064]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.693863][ T1064]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.694039][ T1064] RIP: 0033:0x7fe8a542608e
[   37.694190][ T1064] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.694711][ T1064] RSP: 002b:00007ffe871fb110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.694929][ T1064] RAX: ffffffffffffffda RBX: 00007ffe871fb8c0 RCX: 00007fe8a542608e
[   37.695142][ T1064] RDX: 0000000000000000 RSI: 00007ffe871fb1c0 RDI: 0000000000000005
[   37.695380][ T1064] RBP: 00007ffe871fb120 R08: 0000000000000000 R09: 0000000000000000
[   37.695593][ T1064] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7b
[   37.695806][ T1064] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe871fb890
| [   37.731083][ T1065] ------------[ cut here ]------------
| [   37.731259][ T1065] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1065
| [   37.731985][ T1065] Modules linked in: netdevsim
| [   37.732531][ T1065] Tainted: [W]=WARN
[   37.732644][ T1065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.732824][ T1065] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.733019][ T1065] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.733624][ T1065] RSP: 0018:ffa0000002927020 EFLAGS: 00010286
[   37.733804][ T1065] RAX: 00000000ffffffa6 RBX: ff11000004ec0040 RCX: 1ff4000000524dca
[   37.734016][ T1065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec00f0
[   37.734352][ T1065] RBP: ff11000008104000 R08: 1fe22000009d801f R09: ff11000004d2d180
[   37.734561][ T1065] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   37.734768][ T1065] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.734980][ T1065] FS:  00007f4b6e73a840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   37.735225][ T1065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.735412][ T1065] CR2: 000000001a271988 CR3: 00000000107fa004 CR4: 0000000000771ef0
[   37.735619][ T1065] PKRU: 55555554
[   37.735723][ T1065] Call Trace:
[   37.735829][ T1065]  <TASK>
[   37.735903][ T1065]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.736046][ T1065]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.736152][ T1065]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.736299][ T1065]  __dev_notify_flags (net/core/dev.c:9787)
[   37.736444][ T1065]  ? netif_change_name (net/core/dev.c:1495)
[   37.736584][ T1065]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.736740][ T1065]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.736882][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.737025][ T1065]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   37.737169][ T1065]  netif_change_flags (net/core/dev.c:9820)
[   37.737317][ T1065]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.737480][ T1065]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.737620][ T1065]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.737793][ T1065]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.737932][ T1065]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.738071][ T1065]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.738212][ T1065]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.738359][ T1065]  ? __kernel_text_address (kernel/extable.c:79)
[   37.738497][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.738639][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.738777][ T1065]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.738921][ T1065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.739065][ T1065]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.739203][ T1065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.739354][ T1065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.739494][ T1065]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.739637][ T1065]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   37.739779][ T1065]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.739923][ T1065]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.740068][ T1065]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.740210][ T1065]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.740365][ T1065]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.740512][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.740652][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.740793][ T1065]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.740932][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.741072][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.741214][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.741363][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.741503][ T1065]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.741639][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.741781][ T1065]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.741922][ T1065]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.742062][ T1065]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.742203][ T1065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.742356][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.742504][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.742646][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.742786][ T1065]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.742926][ T1065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.743064][ T1065]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.743206][ T1065]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.743358][ T1065]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.743501][ T1065]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.743641][ T1065]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.743778][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.743919][ T1065]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.744063][ T1065]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.744207][ T1065]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.744364][ T1065]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.744504][ T1065]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.744641][ T1065]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.744815][ T1065]  ? move_addr_to_kernel (net/socket.c:258)
[   37.744954][ T1065]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.745092][ T1065]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.745235][ T1065]  ___sys_sendmsg (net/socket.c:2752)
[   37.745387][ T1065]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.745560][ T1065]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.745709][ T1065]  __sys_sendmsg (net/socket.c:2784)
[   37.745856][ T1065]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.745994][ T1065]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.746170][ T1065]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.746315][ T1065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.746461][ T1065]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.746599][ T1065]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.746740][ T1065]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.746882][ T1065]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.747055][ T1065] RIP: 0033:0x7f4b6e97408e
[   37.747203][ T1065] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.747705][ T1065] RSP: 002b:00007fff52ddca40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.747921][ T1065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4b6e97408e
[   37.748128][ T1065] RDX: 0000000000000000 RSI: 00007fff52ddcaf0 RDI: 0000000000000005
[   37.748345][ T1065] RBP: 00007fff52ddca50 R08: 0000000000000000 R09: 0000000000000000
[   37.748553][ T1065] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7b
[   37.748764][ T1065] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff52ddd1c0
| [   37.823485][ T1067] ------------[ cut here ]------------
| [   37.823670][ T1067] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1067
| [   37.823963][ T1067] Modules linked in: netdevsim
| [   37.824414][ T1067] Tainted: [W]=WARN
[   37.824522][ T1067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.824702][ T1067] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.824905][ T1067] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.825424][ T1067] RSP: 0018:ffa00000029371b0 EFLAGS: 00010286
[   37.825605][ T1067] RAX: 00000000ffffffa6 RBX: ff11000004f930c0 RCX: 1ff4000000526dfc
[   37.825819][ T1067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93170
[   37.826031][ T1067] RBP: ff1100000c344000 R08: 1fe22000009f262f R09: ff11000004d951a8
[   37.826243][ T1067] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.826467][ T1067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.826681][ T1067] FS:  00007fec87aed840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   37.826932][ T1067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.827118][ T1067] CR2: 00000000004a77b8 CR3: 000000000c64b006 CR4: 0000000000771ef0
[   37.827357][ T1067] PKRU: 55555554
[   37.827470][ T1067] Call Trace:
[   37.827577][ T1067]  <TASK>
[   37.827652][ T1067]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.827799][ T1067]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.827945][ T1067]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.828094][ T1067]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.828207][ T1067]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   37.828363][ T1067]  __dev_notify_flags (net/core/dev.c:9787)
[   37.828506][ T1067]  ? netif_change_name (net/core/dev.c:1495)
[   37.828650][ T1067]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.828833][ T1067]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.828975][ T1067]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   37.829118][ T1067]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.829262][ T1067]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.829415][ T1067]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.829563][ T1067]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.829710][ T1067]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.829855][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.829997][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.830142][ T1067]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.830290][ T1067]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.830444][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.830591][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.830735][ T1067]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.830877][ T1067]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.831026][ T1067]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.831167][ T1067]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.831320][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.831469][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.831609][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.831753][ T1067]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.831894][ T1067]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.832038][ T1067]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.832187][ T1067]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.832340][ T1067]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.832485][ T1067]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.832628][ T1067]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.832771][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.832915][ T1067]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.833057][ T1067]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.833202][ T1067]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.833366][ T1067]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.833510][ T1067]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.833657][ T1067]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.833836][ T1067]  ? move_addr_to_kernel (net/socket.c:258)
[   37.833981][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.834125][ T1067]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   37.834270][ T1067]  ___sys_sendmsg (net/socket.c:2752)
[   37.834424][ T1067]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   37.834567][ T1067]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.834715][ T1067]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   37.834867][ T1067]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   37.835011][ T1067]  __sys_sendmsg (net/socket.c:2784)
[   37.835153][ T1067]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.835307][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.835460][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.835609][ T1067]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.835759][ T1067]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.835907][ T1067]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.836056][ T1067]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.836236][ T1067] RIP: 0033:0x7fec87d2708e
[   37.836401][ T1067] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.836915][ T1067] RSP: 002b:00007ffeb9252960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.837133][ T1067] RAX: ffffffffffffffda RBX: 00007ffeb9253110 RCX: 00007fec87d2708e
[   37.837356][ T1067] RDX: 0000000000000000 RSI: 00007ffeb9252a10 RDI: 0000000000000005
[   37.837580][ T1067] RBP: 00007ffeb9252970 R08: 0000000000000000 R09: 0000000000000000
[   37.837792][ T1067] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7c
[   37.838009][ T1067] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb92530e0
| [   37.896514][ T1068] ------------[ cut here ]------------
| [   37.896768][ T1068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1068
| [   37.897204][ T1068] Modules linked in: netdevsim
| [   37.897889][ T1068] Tainted: [W]=WARN
[   37.898055][ T1068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.898344][ T1068] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.898627][ T1068] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.899510][ T1068] RSP: 0018:ffa0000002947020 EFLAGS: 00010286
[   37.899794][ T1068] RAX: 00000000ffffffa6 RBX: ff11000004f936c0 RCX: 1ff4000000528dca
[   37.900130][ T1068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93770
[   37.900484][ T1068] RBP: ff1100000c344000 R08: 1fe22000009f26ef R09: ff1100000c71d180
[   37.900808][ T1068] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   37.901129][ T1068] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.901463][ T1068] FS:  00007f8eeedb4840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   37.901844][ T1068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.902109][ T1068] CR2: 000000000ff65988 CR3: 00000000051ac006 CR4: 0000000000771ef0
[   37.902444][ T1068] PKRU: 55555554
[   37.902606][ T1068] Call Trace:
[   37.902767][ T1068]  <TASK>
[   37.902883][ T1068]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   37.903099][ T1068]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.903324][ T1068]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.903496][ T1068]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.903713][ T1068]  __dev_notify_flags (net/core/dev.c:9787)
[   37.903925][ T1068]  ? netif_change_name (net/core/dev.c:1495)
[   37.904138][ T1068]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.904368][ T1068]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.904583][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.904793][ T1068]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   37.905012][ T1068]  netif_change_flags (net/core/dev.c:9820)
[   37.905233][ T1068]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.905465][ T1068]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.905679][ T1068]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.905952][ T1068]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.906153][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.906371][ T1068]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.906590][ T1068]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.906808][ T1068]  ? __kernel_text_address (kernel/extable.c:79)
[   37.907029][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.907243][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.907479][ T1068]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.907698][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.907916][ T1068]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.908129][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.908356][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.908571][ T1068]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.908786][ T1068]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   37.908992][ T1068]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.909204][ T1068]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.909441][ T1068]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.909667][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.909888][ T1068]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.910115][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.910348][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.910571][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.910793][ T1068]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.911008][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.911230][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.911473][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.911695][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.911916][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.912141][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.912371][ T1068]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.912585][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.912783][ T1068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.912999][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.913220][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.913443][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.913660][ T1068]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.913882][ T1068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.914099][ T1068]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.914336][ T1068]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.914549][ T1068]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.914775][ T1068]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.914987][ T1068]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.915215][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.915454][ T1068]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.915670][ T1068]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.915885][ T1068]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.916108][ T1068]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.916338][ T1068]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.916558][ T1068]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.916816][ T1068]  ? move_addr_to_kernel (net/socket.c:258)
[   37.917022][ T1068]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.917233][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.917460][ T1068]  ___sys_sendmsg (net/socket.c:2752)
[   37.917665][ T1068]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.917937][ T1068]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.918183][ T1068]  __sys_sendmsg (net/socket.c:2784)
[   37.918411][ T1068]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.918630][ T1068]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.918904][ T1068]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.919125][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.919355][ T1068]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.919562][ T1068]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.919781][ T1068]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.920001][ T1068]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.920273][ T1068] RIP: 0033:0x7f8eeefee08e
[   37.920524][ T1068] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.921304][ T1068] RSP: 002b:00007ffe9c0f1020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.921646][ T1068] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8eeefee08e
[   37.921969][ T1068] RDX: 0000000000000000 RSI: 00007ffe9c0f10d0 RDI: 0000000000000005
[   37.922292][ T1068] RBP: 00007ffe9c0f1030 R08: 0000000000000000 R09: 0000000000000000
[   37.922623][ T1068] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7c
[   37.922955][ T1068] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9c0f17a0
| [   38.034638][ T1071] ------------[ cut here ]------------
| [   38.034836][ T1071] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/1071
| [   38.035160][ T1071] Modules linked in: netdevsim
| [   38.035710][ T1071] Tainted: [W]=WARN
[   38.035832][ T1071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.036029][ T1071] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.036238][ T1071] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.036805][ T1071] RSP: 0018:ffa0000002977310 EFLAGS: 00010286
[   38.037001][ T1071] RAX: 00000000ffffffa6 RBX: ff1100000ed6fb40 RCX: 1ff400000052ee28
[   38.037236][ T1071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fbf0
[   38.037487][ T1071] RBP: ff1100000cd42000 R08: 1fe2200001dadf7f R09: ff110000107151d0
[   38.037723][ T1071] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.037952][ T1071] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.038188][ T1071] FS:  00007f2dd74e8840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   38.038474][ T1071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.038672][ T1071] CR2: 00007f2dd7a9d004 CR3: 000000001079f002 CR4: 0000000000771ef0
[   38.038905][ T1071] PKRU: 55555554
[   38.039024][ T1071] Call Trace:
[   38.039142][ T1071]  <TASK>
[   38.039223][ T1071]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.039434][ T1071]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.039627][ T1071]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   38.039792][ T1071]  ? netdev_run_todo (net/core/dev.c:11703)
[   38.039947][ T1071]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.040105][ T1071]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   38.040259][ T1071]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   38.040421][ T1071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.040583][ T1071]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   38.040740][ T1071] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   38.040900][ T1071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.041059][ T1071] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   38.041255][ T1071] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   38.041459][ T1071] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   38.041651][ T1071]  devlink_reload (net/devlink/dev.c:462)
[   38.041810][ T1071]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   38.041967][ T1071]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   38.042171][ T1071]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   38.042337][ T1071]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   38.042529][ T1071]  ? __nla_validate_parse (lib/nlattr.c:635)
[   38.042685][ T1071]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   38.042838][ T1071]  ? __nla_parse (lib/nlattr.c:732)
[   38.042997][ T1071]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   38.043154][ T1071]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   38.043368][ T1071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.043523][ T1071]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.043678][ T1071]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.043835][ T1071]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   38.043989][ T1071]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   38.044180][ T1071]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.044383][ T1071]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   38.044538][ T1071]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   38.044692][ T1071]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   38.044844][ T1071]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.045004][ T1071]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   38.045158][ T1071]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.045352][ T1071]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   38.045514][ T1071]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.045674][ T1071]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.045828][ T1071]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.045983][ T1071]  genl_rcv (net/netlink/genetlink.c:1218)
[   38.046100][ T1071]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.046255][ T1071]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.046479][ T1071]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.046721][ T1071]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.046899][ T1071]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.047054][ T1071]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.047211][ T1071]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.047380][ T1071]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   38.047536][ T1071]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   38.047703][ T1071]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   38.047865][ T1071]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.048120][ T1071]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.048309][ T1071]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.048554][ T1071]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.048755][ T1071]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.048915][ T1071]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.049073][ T1071]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.049266][ T1071] RIP: 0033:0x7f2dd772208e
[   38.049442][ T1071] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.049992][ T1071] RSP: 002b:00007ffc04a70dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   38.050229][ T1071] RAX: ffffffffffffffda RBX: 000000001d03f980 RCX: 00007f2dd772208e
[   38.050471][ T1071] RDX: 0000000000000038 RSI: 000000001d03fba0 RDI: 0000000000000005
[   38.050707][ T1071] RBP: 00007ffc04a70de0 R08: 00007f2dd79d6980 R09: 000000000000000c
[   38.050939][ T1071] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   38.051169][ T1071] R13: 000000001d03f980 R14: 0000000000000000 R15: 0000000000000003
| [   38.102076][ T1071] ------------[ cut here ]------------
| [   38.102278][ T1071] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/1071
| [   38.102626][ T1071] Modules linked in: netdevsim
| [   38.103138][ T1071] Tainted: [W]=WARN
[   38.103262][ T1071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.103482][ T1071] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.103699][ T1071] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.104286][ T1071] RSP: 0018:ffa0000002977268 EFLAGS: 00010286
[   38.104588][ T1071] RAX: 00000000ffffffa6 RBX: ff110000094a41c0 RCX: 1ff400000052ee13
[   38.104887][ T1071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4270
[   38.105126][ T1071] RBP: ff11000009472000 R08: 1fe220000129484f R09: ff110000107151d0
[   38.105380][ T1071] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.105619][ T1071] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009472000
[   38.105861][ T1071] FS:  00007f2dd74e8840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   38.106144][ T1071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.106359][ T1071] CR2: 00005597bdf697a0 CR3: 000000001079f002 CR4: 0000000000771ef0
[   38.106602][ T1071] PKRU: 55555554
[   38.106724][ T1071] Call Trace:
[   38.106846][ T1071]  <TASK>
[   38.106932][ T1071]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.107099][ T1071]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.107223][ T1071]  register_netdevice (net/core/dev.c:11488)
[   38.107399][ T1071]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.107597][ T1071]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   38.107765][ T1071] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   38.107979][ T1071] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   38.108144][ T1071] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   38.108360][ T1071]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   38.108526][ T1071]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   38.108733][ T1071]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   38.108894][ T1071]  ? static_obj (kernel/locking/lockdep.c:858)
[   38.109018][ T1071]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.109183][ T1071]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   38.109399][ T1071] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   38.109602][ T1071]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   38.109804][ T1071]  devlink_reload (net/devlink/dev.c:475)
[   38.109966][ T1071]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   38.110129][ T1071]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   38.110344][ T1071]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   38.110505][ T1071]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   38.110703][ T1071]  ? __nla_validate_parse (lib/nlattr.c:635)
[   38.110867][ T1071]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   38.111030][ T1071]  ? __nla_parse (lib/nlattr.c:732)
[   38.111195][ T1071]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   38.111372][ T1071]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   38.111580][ T1071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.111744][ T1071]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.111911][ T1071]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.112078][ T1071]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   38.112247][ T1071]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   38.112468][ T1071]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.112675][ T1071]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   38.112838][ T1071]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   38.113000][ T1071]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   38.113161][ T1071]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.113446][ T1071]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   38.113613][ T1071]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.113771][ T1071]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   38.113934][ T1071]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.114101][ T1071]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.114263][ T1071]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.114443][ T1071]  genl_rcv (net/netlink/genetlink.c:1218)
[   38.114685][ T1071]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.114968][ T1071]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.115128][ T1071]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.115296][ T1071]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.115464][ T1071]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.115741][ T1071]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.115906][ T1071]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.116069][ T1071]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   38.116233][ T1071]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   38.116422][ T1071]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   38.116584][ T1071]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.116901][ T1071]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.117179][ T1071]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.117347][ T1071]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.117507][ T1071]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.117666][ T1071]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.117833][ T1071]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.118036][ T1071] RIP: 0033:0x7f2dd772208e
[   38.118338][ T1071] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.119034][ T1071] RSP: 002b:00007ffc04a70dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   38.119414][ T1071] RAX: ffffffffffffffda RBX: 000000001d03f980 RCX: 00007f2dd772208e
[   38.119776][ T1071] RDX: 0000000000000038 RSI: 000000001d03fba0 RDI: 0000000000000005
[   38.120020][ T1071] RBP: 00007ffc04a70de0 R08: 00007f2dd79d6980 R09: 000000000000000c
[   38.120261][ T1071] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   38.120634][ T1071] R13: 000000001d03f980 R14: 0000000000000000 R15: 0000000000000003
| [   39.024264][ T1096] ------------[ cut here ]------------
| [   39.024894][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   39.025222][ T1096] Modules linked in: netdevsim
| [   39.025771][ T1096] Tainted: [W]=WARN
[   39.025924][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.026147][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.026400][ T1096] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.026939][ T1096] RSP: 0018:ffa0000002a87010 EFLAGS: 00010286
[   39.027164][ T1096] RAX: 00000000ffffffa6 RBX: ff1100001062a940 RCX: 1ff4000000550dc8
[   39.027461][ T1096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001062a9f0
[   39.027715][ T1096] RBP: ff11000008104000 R08: 1fe22000020c553f R09: ff1100000904d180
[   39.027967][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   39.028220][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002a87100
[   39.028495][ T1096] FS:  00007f1d2cd64840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   39.028786][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.029006][ T1096] CR2: 000000001edfc988 CR3: 000000000b00c005 CR4: 0000000000771ef0
[   39.029258][ T1096] PKRU: 55555554
[   39.029426][ T1096] Call Trace:
[   39.029580][ T1096]  <TASK>
[   39.029699][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.029890][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.030047][ T1096]  netif_close_many (net/core/dev.c:1804)
[   39.030234][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.030443][ T1096]  ? __dev_close_many (net/core/dev.c:1781)
[   39.030631][ T1096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.030819][ T1096]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   39.031005][ T1096]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.031193][ T1096]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   39.031436][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.031625][ T1096]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   39.031842][ T1096]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.032029][ T1096]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.032313][ T1096]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   39.032549][ T1096]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   39.032739][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.032927][ T1096]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   39.033201][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.033408][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.033596][ T1096]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.033782][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.034056][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.034260][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.034464][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.034651][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.034927][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.035115][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.035309][ T1096]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   39.035510][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.035782][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.035966][ T1096]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.036156][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.036365][ T1096]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.036644][ T1096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.036831][ T1096]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.037016][ T1096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.037201][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.037502][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.037687][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.037877][ T1096]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.038066][ T1096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.038363][ T1096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.038555][ T1096]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.038739][ T1096]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.038930][ T1096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.039212][ T1096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.039417][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.039606][ T1096]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.039794][ T1096]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.040077][ T1096]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.040267][ T1096]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.040484][ T1096]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.040669][ T1096]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.040983][ T1096]  ? move_addr_to_kernel (net/socket.c:258)
[   39.041172][ T1096]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.041381][ T1096]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.041571][ T1096]  ___sys_sendmsg (net/socket.c:2752)
[   39.041850][ T1096]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.042077][ T1096]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.042280][ T1096]  __sys_sendmsg (net/socket.c:2784)
[   39.042586][ T1096]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.042773][ T1096]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.042995][ T1096]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.043184][ T1096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.043398][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.043589][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.043774][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.043961][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.044272][ T1096] RIP: 0033:0x7f1d2cf9e08e
[   39.044486][ T1096] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.045120][ T1096] RSP: 002b:00007ffd9dd438b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.045399][ T1096] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1d2cf9e08e
[   39.045650][ T1096] RDX: 0000000000000000 RSI: 00007ffd9dd43960 RDI: 0000000000000005
[   39.046100][ T1096] RBP: 00007ffd9dd438c0 R08: 0000000000000000 R09: 0000000000000000
[   39.046522][ T1096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7d
[   39.047065][ T1096] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9dd44030
| [   39.060914][ T1096] ------------[ cut here ]------------
| [   39.061139][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1096
| [   39.061573][ T1096] Modules linked in: netdevsim
| [   39.062201][ T1096] Tainted: [W]=WARN
[   39.062374][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.062627][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.062896][ T1096] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.063620][ T1096] RSP: 0018:ffa0000002a87190 EFLAGS: 00010286
[   39.063871][ T1096] RAX: 00000000ffffffa6 RBX: ff1100000ed6f540 RCX: 1ff4000000550df8
[   39.064168][ T1096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f5f0
[   39.064487][ T1096] RBP: ff11000008104000 R08: 1fe2200001dadebf R09: ff1100000904d158
[   39.064787][ T1096] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   39.065094][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   39.065422][ T1096] FS:  00007f1d2cd64840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   39.065784][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.066040][ T1096] CR2: 00007f8375ff5888 CR3: 000000000b00c002 CR4: 0000000000771ef0
[   39.066366][ T1096] PKRU: 55555554
[   39.066522][ T1096] Call Trace:
[   39.066676][ T1096]  <TASK>
[   39.066782][ T1096]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   39.067041][ T1096]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   39.067284][ T1096]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.067494][ T1096]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.067696][ T1096]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   39.067944][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.068151][ T1096]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   39.068366][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.068567][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.068768][ T1096]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.068969][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.069172][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.069428][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.069630][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.069834][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.070026][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.070230][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.070449][ T1096]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   39.070654][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.070860][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.071063][ T1096]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.071263][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.071476][ T1096]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.071675][ T1096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.071870][ T1096]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.072068][ T1096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.072264][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.072478][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.072682][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.072886][ T1096]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.073087][ T1096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.073295][ T1096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.073512][ T1096]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.073722][ T1096]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.073926][ T1096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.074129][ T1096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.074342][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.074544][ T1096]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.074745][ T1096]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.074946][ T1096]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.075154][ T1096]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.075380][ T1096]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.075580][ T1096]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.075823][ T1096]  ? move_addr_to_kernel (net/socket.c:258)
[   39.076024][ T1096]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.076226][ T1096]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.076444][ T1096]  ___sys_sendmsg (net/socket.c:2752)
[   39.076646][ T1096]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.076896][ T1096]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.077121][ T1096]  __sys_sendmsg (net/socket.c:2784)
[   39.077322][ T1096]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.077526][ T1096]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.077778][ T1096]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.077979][ T1096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.078179][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.078388][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.078582][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.078779][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.079024][ T1096] RIP: 0033:0x7f1d2cf9e08e
[   39.079236][ T1096] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.079951][ T1096] RSP: 002b:00007ffd9dd438b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.080249][ T1096] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1d2cf9e08e
[   39.080559][ T1096] RDX: 0000000000000000 RSI: 00007ffd9dd43960 RDI: 0000000000000005
[   39.080857][ T1096] RBP: 00007ffd9dd438c0 R08: 0000000000000000 R09: 0000000000000000
[   39.081157][ T1096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7d
[   39.081465][ T1096] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9dd44030
| [   39.138430][ T1097] ------------[ cut here ]------------
| [   39.138674][ T1097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1097
| [   39.139077][ T1097] Modules linked in: netdevsim
| [   39.140241][ T1097] Tainted: [W]=WARN
[   39.140405][ T1097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.140651][ T1097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.140918][ T1097] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.141644][ T1097] RSP: 0018:ffa0000002a97010 EFLAGS: 00010286
[   39.141896][ T1097] RAX: 00000000ffffffa6 RBX: ff110000094a5840 RCX: 1ff4000000552dc8
[   39.142202][ T1097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a58f0
[   39.142507][ T1097] RBP: ff1100000c344000 R08: 1fe2200001294b1f R09: ff1100000904ae80
[   39.142793][ T1097] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   39.143079][ T1097] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002a97100
[   39.143383][ T1097] FS:  00007f9e67ed8840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   39.143721][ T1097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.143971][ T1097] CR2: 0000000030e34988 CR3: 000000000f44e002 CR4: 0000000000771ef0
[   39.144268][ T1097] PKRU: 55555554
[   39.144431][ T1097] Call Trace:
[   39.144579][ T1097]  <TASK>
[   39.144683][ T1097]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.144895][ T1097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.145047][ T1097]  netif_close_many (net/core/dev.c:1804)
[   39.145246][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.145460][ T1097]  ? __dev_close_many (net/core/dev.c:1781)
[   39.145659][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.145857][ T1097]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   39.146055][ T1097]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.146252][ T1097]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   39.146513][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.146713][ T1097]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   39.146956][ T1097]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.147156][ T1097]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.147363][ T1097]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   39.147601][ T1097]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   39.147791][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.147986][ T1097]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   39.148181][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.148386][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.148584][ T1097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.148787][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.148984][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.149218][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.149431][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.149630][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.149831][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.150029][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.150228][ T1097]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   39.150442][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.150643][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.150846][ T1097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.151061][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.151264][ T1097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.151483][ T1097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.151687][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.151887][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.152087][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.152298][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.152509][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.152710][ T1097]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.152911][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.153118][ T1097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.153339][ T1097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.153538][ T1097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.153744][ T1097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.153949][ T1097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.154148][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.154361][ T1097]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.154565][ T1097]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.154770][ T1097]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.154977][ T1097]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.155179][ T1097]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.155391][ T1097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.155638][ T1097]  ? move_addr_to_kernel (net/socket.c:258)
[   39.155842][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.156044][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.156247][ T1097]  ___sys_sendmsg (net/socket.c:2752)
[   39.156459][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.156708][ T1097]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.156930][ T1097]  __sys_sendmsg (net/socket.c:2784)
[   39.157134][ T1097]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.157344][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.157600][ T1097]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.157801][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.158004][ T1097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.158203][ T1097]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.158412][ T1097]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.158617][ T1097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.158867][ T1097] RIP: 0033:0x7f9e6811208e
[   39.159077][ T1097] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.159759][ T1097] RSP: 002b:00007ffd2d2f6c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.160057][ T1097] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9e6811208e
[   39.160350][ T1097] RDX: 0000000000000000 RSI: 00007ffd2d2f6cb0 RDI: 0000000000000005
[   39.160633][ T1097] RBP: 00007ffd2d2f6c10 R08: 0000000000000000 R09: 0000000000000000
[   39.160916][ T1097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7d
[   39.161204][ T1097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2d2f7380
| [   39.169532][ T1097] ------------[ cut here ]------------
| [   39.169729][ T1097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1097
| [   39.170220][ T1097] Modules linked in: netdevsim
| [   39.170826][ T1097] Tainted: [W]=WARN
[   39.171096][ T1097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.171335][ T1097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.171580][ T1097] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.172373][ T1097] RSP: 0018:ffa0000002a97190 EFLAGS: 00010286
[   39.172604][ T1097] RAX: 00000000ffffffa6 RBX: ff1100000ed72340 RCX: 1ff4000000552df8
[   39.173004][ T1097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed723f0
[   39.173274][ T1097] RBP: ff1100000c344000 R08: 1fe2200001dae47f R09: ff1100000904ae58
[   39.173687][ T1097] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   39.173959][ T1097] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   39.174229][ T1097] FS:  00007f9e67ed8840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   39.174571][ T1097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.174805][ T1097] CR2: 0000000030e34988 CR3: 000000000f44e002 CR4: 0000000000771ef0
[   39.175089][ T1097] PKRU: 55555554
[   39.175602][ T1097] Call Trace:
[   39.175738][ T1097]  <TASK>
[   39.175966][ T1097]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   39.176202][ T1097]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   39.176559][ T1097]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.176739][ T1097]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.176922][ T1097]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   39.177282][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.177601][ T1097]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   39.177787][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.177974][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.178157][ T1097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.178426][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.178605][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.178824][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.179133][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.179318][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.179585][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.179770][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.179949][ T1097]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   39.180135][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.180318][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.180709][ T1097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.180895][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.181085][ T1097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   39.181267][ T1097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.181543][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.181728][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.181915][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.182103][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.182278][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.182547][ T1097]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.182729][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.182908][ T1097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.183093][ T1097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.183270][ T1097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.183542][ T1097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.183726][ T1097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.183904][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.184088][ T1097]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.184488][ T1097]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.184667][ T1097]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.184848][ T1097]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.185027][ T1097]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.185204][ T1097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.185511][ T1097]  ? move_addr_to_kernel (net/socket.c:258)
[   39.185692][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.185874][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.186055][ T1097]  ___sys_sendmsg (net/socket.c:2752)
[   39.186443][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.186668][ T1097]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.186873][ T1097]  __sys_sendmsg (net/socket.c:2784)
[   39.187056][ T1097]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.187234][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.187710][ T1097]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.187892][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.188077][ T1097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.188255][ T1097]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.188521][ T1097]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.188708][ T1097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.188932][ T1097] RIP: 0033:0x7f9e6811208e
[   39.189131][ T1097] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.190006][ T1097] RSP: 002b:00007ffd2d2f6c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.190286][ T1097] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9e6811208e
[   39.190648][ T1097] RDX: 0000000000000000 RSI: 00007ffd2d2f6cb0 RDI: 0000000000000005
[   39.190921][ T1097] RBP: 00007ffd2d2f6c10 R08: 0000000000000000 R09: 0000000000000000
[   39.191215][ T1097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7d
[   39.191746][ T1097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2d2f7380
| [   39.262427][ T1098] ------------[ cut here ]------------
| [   39.262687][ T1098] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1098
| [   39.263120][ T1098] Modules linked in: netdevsim
| [   39.263805][ T1098] Tainted: [W]=WARN
[   39.263967][ T1098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.264237][ T1098] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.264530][ T1098] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.265292][ T1098] RSP: 0018:ffa0000002aa71b0 EFLAGS: 00010286
[   39.265574][ T1098] RAX: 00000000ffffffa6 RBX: ff1100000ed736c0 RCX: 1ff4000000554dfc
[   39.265892][ T1098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed73770
[   39.266211][ T1098] RBP: ff110000091b1000 R08: 1fe2200001dae6ef R09: ff1100000cc9aea8
[   39.266551][ T1098] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   39.266868][ T1098] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.267190][ T1098] FS:  00007fa062cca840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   39.267585][ T1098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.267855][ T1098] CR2: 00000000004a77b8 CR3: 00000000107c7005 CR4: 0000000000771ef0
[   39.268177][ T1098] PKRU: 55555554
[   39.268351][ T1098] Call Trace:
[   39.268515][ T1098]  <TASK>
[   39.268628][ T1098]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.268845][ T1098]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.269063][ T1098]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.269279][ T1098]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.269457][ T1098]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   39.269677][ T1098]  __dev_notify_flags (net/core/dev.c:9787)
[   39.269893][ T1098]  ? netif_change_name (net/core/dev.c:1495)
[   39.270111][ T1098]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.270393][ T1098]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.270612][ T1098]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   39.270830][ T1098]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.271052][ T1098]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.271269][ T1098]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.271510][ T1098]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.271731][ T1098]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.271950][ T1098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.272165][ T1098]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.272396][ T1098]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.272609][ T1098]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.272830][ T1098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.273052][ T1098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.273269][ T1098]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.273497][ T1098]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.273712][ T1098]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.273926][ T1098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.274140][ T1098]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.274370][ T1098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.274587][ T1098]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.274804][ T1098]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.275018][ T1098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.275236][ T1098]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.275470][ T1098]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.275684][ T1098]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.275903][ T1098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.276126][ T1098]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.276353][ T1098]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.276573][ T1098]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.276789][ T1098]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.277005][ T1098]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.277223][ T1098]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.277454][ T1098]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.277668][ T1098]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.277942][ T1098]  ? move_addr_to_kernel (net/socket.c:258)
[   39.278159][ T1098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.278387][ T1098]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   39.278604][ T1098]  ___sys_sendmsg (net/socket.c:2752)
[   39.278818][ T1098]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   39.279032][ T1098]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.279254][ T1098]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   39.279499][ T1098]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   39.279721][ T1098]  __sys_sendmsg (net/socket.c:2784)
[   39.279939][ T1098]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.280160][ T1098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.280389][ T1098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.280605][ T1098]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.280821][ T1098]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.281036][ T1098]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.281254][ T1098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.281535][ T1098] RIP: 0033:0x7fa062f0408e
[   39.281761][ T1098] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.282529][ T1098] RSP: 002b:00007ffddc524e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.282862][ T1098] RAX: ffffffffffffffda RBX: 00007ffddc525610 RCX: 00007fa062f0408e
[   39.283190][ T1098] RDX: 0000000000000000 RSI: 00007ffddc524f10 RDI: 0000000000000005
[   39.283524][ T1098] RBP: 00007ffddc524e70 R08: 0000000000000000 R09: 0000000000000000
[   39.283848][ T1098] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7d
[   39.284174][ T1098] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddc5255e0
| [   39.325556][ T1099] ------------[ cut here ]------------
| [   39.325774][ T1099] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1099
| [   39.326101][ T1099] Modules linked in: netdevsim
| [   39.326653][ T1099] Tainted: [W]=WARN
[   39.326816][ T1099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.327035][ T1099] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.327270][ T1099] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.327889][ T1099] RSP: 0018:ffa0000002ab7020 EFLAGS: 00010286
[   39.328175][ T1099] RAX: 00000000ffffffa6 RBX: ff11000004ec04c0 RCX: 1ff4000000556dca
[   39.328503][ T1099] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0570
[   39.328816][ T1099] RBP: ff110000091b1000 R08: 1fe22000009d80af R09: ff11000004f80b80
[   39.329127][ T1099] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   39.329449][ T1099] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.329757][ T1099] FS:  00007f7d24288840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   39.330086][ T1099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.330361][ T1099] CR2: 0000000021dc4988 CR3: 000000000750d003 CR4: 0000000000771ef0
[   39.330701][ T1099] PKRU: 55555554
[   39.330945][ T1099] Call Trace:
[   39.331167][ T1099]  <TASK>
[   39.331357][ T1099]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.331553][ T1099]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.331709][ T1099]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.331894][ T1099]  __dev_notify_flags (net/core/dev.c:9787)
[   39.332085][ T1099]  ? netif_change_name (net/core/dev.c:1495)
[   39.332270][ T1099]  ? __dev_change_flags (net/core/dev.c:9752)
[   39.332478][ T1099]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   39.332661][ T1099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.332854][ T1099]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.333042][ T1099]  netif_change_flags (net/core/dev.c:9820)
[   39.333244][ T1099]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   39.333452][ T1099]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.333639][ T1099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.333858][ T1099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.334044][ T1099]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.334232][ T1099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.334440][ T1099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.334627][ T1099]  ? __kernel_text_address (kernel/extable.c:79)
[   39.334814][ T1099]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.335002][ T1099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.335190][ T1099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.335398][ T1099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.335587][ T1099]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.335771][ T1099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.335955][ T1099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.336141][ T1099]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.336348][ T1099]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.336536][ T1099]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.336723][ T1099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.336909][ T1099]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.337102][ T1099]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.337298][ T1099]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.337502][ T1099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.337686][ T1099]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.337872][ T1099]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.338061][ T1099]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.338244][ T1099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.338480][ T1099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.338737][ T1099]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.338996][ T1099]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.339253][ T1099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.339533][ T1099]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.339724][ T1099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.339909][ T1099]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.340093][ T1099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.340279][ T1099]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.340487][ T1099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.340673][ T1099]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.340860][ T1099]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.341046][ T1099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.341234][ T1099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.341442][ T1099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.341625][ T1099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.341818][ T1099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.342006][ T1099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.342191][ T1099]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.342398][ T1099]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.342584][ T1099]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.342773][ T1099]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.342960][ T1099]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.343148][ T1099]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.343353][ T1099]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.343567][ T1099]  ? move_addr_to_kernel (net/socket.c:258)
[   39.343753][ T1099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.343939][ T1099]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.344135][ T1099]  ___sys_sendmsg (net/socket.c:2752)
[   39.344339][ T1099]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.344565][ T1099]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.344761][ T1099]  __sys_sendmsg (net/socket.c:2784)
[   39.344948][ T1099]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.345134][ T1099]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.345385][ T1099]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.345572][ T1099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.345757][ T1099]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.345943][ T1099]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.346135][ T1099]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.346344][ T1099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.346564][ T1099] RIP: 0033:0x7f7d244c208e
[   39.346758][ T1099] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.347299][ T1099] RSP: 002b:00007ffd12b592d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.347574][ T1099] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7d244c208e
[   39.347825][ T1099] RDX: 0000000000000000 RSI: 00007ffd12b59380 RDI: 0000000000000005
[   39.348079][ T1099] RBP: 00007ffd12b592e0 R08: 0000000000000000 R09: 0000000000000000
[   39.348357][ T1099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7d
[   39.348611][ T1099] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd12b59a50
| [   39.444542][ T1101] ------------[ cut here ]------------
| [   39.444743][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/1101
| [   39.445069][ T1101] Modules linked in: netdevsim
| [   39.445564][ T1101] Tainted: [W]=WARN
[   39.445683][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.445899][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.446118][ T1101] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.446680][ T1101] RSP: 0018:ffa0000002ad7310 EFLAGS: 00010286
[   39.446884][ T1101] RAX: 00000000ffffffa6 RBX: ff11000004b0ac40 RCX: 1ff400000055ae28
[   39.447121][ T1101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0acf0
[   39.447371][ T1101] RBP: ff11000009472000 R08: 1fe220000096159f R09: ff11000004f82ed0
[   39.447605][ T1101] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   39.447837][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   39.448070][ T1101] FS:  00007f34a098c840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   39.448357][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.448556][ T1101] CR2: 00007f34a0f41004 CR3: 00000000106d2006 CR4: 0000000000771ef0
[   39.448790][ T1101] PKRU: 55555554
[   39.448912][ T1101] Call Trace:
[   39.449055][ T1101]  <TASK>
[   39.449173][ T1101]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   39.449499][ T1101]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   39.449713][ T1101]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   39.449883][ T1101]  ? netdev_run_todo (net/core/dev.c:11703)
[   39.450049][ T1101]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.450220][ T1101]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   39.450608][ T1101]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   39.450821][ T1101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.450978][ T1101]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   39.451136][ T1101] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   39.451305][ T1101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.451581][ T1101] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   39.451780][ T1101] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   39.452064][ T1101] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   39.452520][ T1101]  devlink_reload (net/devlink/dev.c:462)
[   39.452865][ T1101]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   39.453025][ T1101]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   39.453224][ T1101]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   39.453627][ T1101]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   39.453920][ T1101]  ? __nla_validate_parse (lib/nlattr.c:635)
[   39.454149][ T1101]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   39.454490][ T1101]  ? __nla_parse (lib/nlattr.c:732)
[   39.454708][ T1101]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   39.454870][ T1101]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   39.455074][ T1101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.455230][ T1101]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.455465][ T1101]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.455623][ T1101]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   39.455782][ T1101]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   39.455978][ T1101]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.456172][ T1101]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   39.456403][ T1101]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   39.456556][ T1101]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   39.456710][ T1101]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.456872][ T1101]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   39.457028][ T1101]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.457184][ T1101]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   39.457410][ T1101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.457575][ T1101]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.457735][ T1101]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.457898][ T1101]  genl_rcv (net/netlink/genetlink.c:1218)
[   39.458020][ T1101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.458174][ T1101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.458342][ T1101]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.458500][ T1101]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.458657][ T1101]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.458814][ T1101]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.458970][ T1101]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.459128][ T1101]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   39.459284][ T1101]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   39.459466][ T1101]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   39.459638][ T1101]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.459838][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.459993][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.460147][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.460307][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.460468][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.460622][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.460815][ T1101] RIP: 0033:0x7f34a0bc608e
[   39.460981][ T1101] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.461552][ T1101] RSP: 002b:00007ffd2d806f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   39.461787][ T1101] RAX: ffffffffffffffda RBX: 0000000013f1a980 RCX: 00007f34a0bc608e
[   39.462020][ T1101] RDX: 0000000000000038 RSI: 0000000013f1aba0 RDI: 0000000000000005
[   39.462253][ T1101] RBP: 00007ffd2d806f50 R08: 00007f34a0e7a980 R09: 000000000000000c
[   39.462496][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   39.462728][ T1101] R13: 0000000013f1a980 R14: 0000000000000000 R15: 0000000000000003
| [   39.517086][ T1101] ------------[ cut here ]------------
| [   39.517391][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/1101
| [   39.517889][ T1101] Modules linked in: netdevsim
| [   39.518662][ T1101] Tainted: [W]=WARN
[   39.518851][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.519158][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.519501][ T1101] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.520385][ T1101] RSP: 0018:ffa0000002ad7268 EFLAGS: 00010286
[   39.520695][ T1101] RAX: 00000000ffffffa6 RBX: ff11000004e1c040 RCX: 1ff400000055ae13
[   39.521056][ T1101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c0f0
[   39.521437][ T1101] RBP: ff1100000af52000 R08: 1fe22000009c381f R09: ff11000004f82ed0
[   39.521806][ T1101] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   39.522173][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000af52000
[   39.522553][ T1101] FS:  00007f34a098c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   39.522989][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.523306][ T1101] CR2: 00007f07277f4574 CR3: 00000000106d2004 CR4: 0000000000771ef0
[   39.523678][ T1101] PKRU: 55555554
[   39.523859][ T1101] Call Trace:
[   39.524040][ T1101]  <TASK>
[   39.524169][ T1101]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.524434][ T1101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.524624][ T1101]  register_netdevice (net/core/dev.c:11488)
[   39.524871][ T1101]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.525179][ T1101]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   39.525448][ T1101] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   39.525765][ T1101] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   39.526014][ T1101] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   39.526340][ T1101]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   39.526591][ T1101]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   39.526901][ T1101]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   39.527150][ T1101]  ? static_obj (kernel/locking/lockdep.c:858)
[   39.527350][ T1101]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.527598][ T1101]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   39.527913][ T1101] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   39.528224][ T1101]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   39.528541][ T1101]  devlink_reload (net/devlink/dev.c:475)
[   39.528789][ T1101]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   39.529037][ T1101]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   39.529361][ T1101]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   39.529605][ T1101]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   39.529905][ T1101]  ? __nla_validate_parse (lib/nlattr.c:635)
[   39.530156][ T1101]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   39.530417][ T1101]  ? __nla_parse (lib/nlattr.c:732)
[   39.530670][ T1101]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   39.530917][ T1101]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   39.531224][ T1101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.531481][ T1101]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.531726][ T1101]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.531979][ T1101]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   39.532227][ T1101]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   39.532545][ T1101]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.532850][ T1101]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   39.533093][ T1101]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   39.533350][ T1101]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   39.533598][ T1101]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.533853][ T1101]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   39.534100][ T1101]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.534355][ T1101]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   39.534599][ T1101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.534853][ T1101]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.535100][ T1101]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.535364][ T1101]  genl_rcv (net/netlink/genetlink.c:1218)
[   39.535552][ T1101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.535789][ T1101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.536031][ T1101]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.536276][ T1101]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.536539][ T1101]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.536786][ T1101]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.537032][ T1101]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.537281][ T1101]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   39.537538][ T1101]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   39.537807][ T1101]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   39.538056][ T1101]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.538379][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.538623][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.538867][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.539112][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.539372][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.539615][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.539919][ T1101] RIP: 0033:0x7f34a0bc608e
[   39.540179][ T1101] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.541062][ T1101] RSP: 002b:00007ffd2d806f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   39.541447][ T1101] RAX: ffffffffffffffda RBX: 0000000013f1a980 RCX: 00007f34a0bc608e
[   39.541817][ T1101] RDX: 0000000000000038 RSI: 0000000013f1aba0 RDI: 0000000000000005
[   39.542205][ T1101] RBP: 00007ffd2d806f50 R08: 00007f34a0e7a980 R09: 000000000000000c
[   39.542588][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   39.542957][ T1101] R13: 0000000013f1a980 R14: 0000000000000000 R15: 0000000000000003
| [   40.453097][ T1125] ------------[ cut here ]------------
| [   40.453412][ T1125] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/1125
| [   40.453908][ T1125] Modules linked in: netdevsim
| [   40.454685][ T1125] Tainted: [W]=WARN
[   40.454875][ T1125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.455187][ T1125] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.455523][ T1125] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.456603][ T1125] RSP: 0018:ffa0000002c17310 EFLAGS: 00010286
[   40.457081][ T1125] RAX: 00000000ffffffa6 RBX: ff1100000ed6ef40 RCX: 1ff4000000582e28
[   40.457644][ T1125] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6eff0
[   40.458021][ T1125] RBP: ff1100000af52000 R08: 1fe2200001daddff R09: ff1100000c2e0bd0
[   40.458514][ T1125] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   40.458886][ T1125] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.459258][ T1125] FS:  00007f00db0c4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   40.459776][ T1125] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.460078][ T1125] CR2: 00007f00db679004 CR3: 000000000f4cf003 CR4: 0000000000771ef0
[   40.460469][ T1125] PKRU: 55555554
[   40.460657][ T1125] Call Trace:
[   40.460842][ T1125]  <TASK>
[   40.460972][ T1125]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.461289][ T1125]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.461610][ T1125]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   40.461865][ T1125]  ? netdev_run_todo (net/core/dev.c:11703)
[   40.462111][ T1125]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.462370][ T1125]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   40.462612][ T1125]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   40.462862][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.463109][ T1125]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   40.463381][ T1125] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   40.463632][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.463887][ T1125] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   40.464197][ T1125] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   40.464518][ T1125] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   40.464827][ T1125]  devlink_reload (net/devlink/dev.c:462)
[   40.465079][ T1125]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   40.465336][ T1125]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   40.465652][ T1125]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   40.465895][ T1125]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   40.466205][ T1125]  ? __nla_validate_parse (lib/nlattr.c:635)
[   40.466470][ T1125]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   40.466719][ T1125]  ? __nla_parse (lib/nlattr.c:732)
[   40.466974][ T1125]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   40.467218][ T1125]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   40.467550][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.467801][ T1125]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   40.468054][ T1125]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.468313][ T1125]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   40.468572][ T1125]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   40.468880][ T1125]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.469193][ T1125]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   40.469454][ T1125]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   40.469696][ T1125]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   40.469944][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.470201][ T1125]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   40.470469][ T1125]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.470719][ T1125]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   40.470971][ T1125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.471233][ T1125]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.471493][ T1125]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.471716][ T1125]  genl_rcv (net/netlink/genetlink.c:1218)
[   40.471901][ T1125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.472151][ T1125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.472404][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.472649][ T1125]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.472894][ T1125]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.473133][ T1125]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.473392][ T1125]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.473649][ T1125]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   40.473901][ T1125]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   40.474169][ T1125]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   40.474431][ T1125]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.474741][ T1125]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   40.474987][ T1125]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   40.475233][ T1125]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.475498][ T1125]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.475739][ T1125]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.475983][ T1125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.476286][ T1125] RIP: 0033:0x7f00db2fe08e
[   40.476556][ T1125] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.477429][ T1125] RSP: 002b:00007ffcee8abe10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   40.477809][ T1125] RAX: ffffffffffffffda RBX: 0000000008514980 RCX: 00007f00db2fe08e
[   40.478181][ T1125] RDX: 0000000000000038 RSI: 0000000008514ba0 RDI: 0000000000000005
[   40.478570][ T1125] RBP: 00007ffcee8abe20 R08: 00007f00db5b2980 R09: 000000000000000c
[   40.478935][ T1125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   40.479312][ T1125] R13: 0000000008514980 R14: 0000000000000000 R15: 0000000000000003
| [   40.602634][ T1127] ------------[ cut here ]------------
| [   40.602865][ T1127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1127
| [   40.603190][ T1127] Modules linked in: netdevsim
| [   40.603737][ T1127] Tainted: [W]=WARN
[   40.603896][ T1127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.604119][ T1127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.604367][ T1127] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.604899][ T1127] RSP: 0018:ffa0000002a17010 EFLAGS: 00010286
[   40.605120][ T1127] RAX: 00000000ffffffa6 RBX: ff1100000dd40f40 RCX: 1ff4000000542dc8
[   40.605391][ T1127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dd40ff0
[   40.605644][ T1127] RBP: ff110000091b1000 R08: 1fe2200001ba81ff R09: ff1100000cc9ae80
[   40.605907][ T1127] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   40.606159][ T1127] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002a17100
[   40.606440][ T1127] FS:  00007fd09066f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   40.606731][ T1127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.606952][ T1127] CR2: 000000002ded7988 CR3: 000000000ced5002 CR4: 0000000000771ef0
[   40.607205][ T1127] PKRU: 55555554
[   40.607378][ T1127] Call Trace:
[   40.607531][ T1127]  <TASK>
[   40.607654][ T1127]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.607849][ T1127]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.608006][ T1127]  netif_close_many (net/core/dev.c:1804)
[   40.608195][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.608404][ T1127]  ? __dev_close_many (net/core/dev.c:1781)
[   40.608591][ T1127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.608782][ T1127]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   40.608967][ T1127]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.609152][ T1127]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   40.609432][ T1127]  ? clockevents_program_event (kernel/time/clockevents.c:363)
[   40.609652][ T1127]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.609871][ T1127]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.610060][ T1127]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.610244][ T1127]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.610484][ T1127]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   40.610667][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.610858][ T1127]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   40.611043][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.611226][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.611435][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.611622][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.611806][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.612008][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.612193][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.612405][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.612592][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.612781][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.612968][ T1127]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   40.613159][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.613358][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.613544][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.613727][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.613911][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.614097][ T1127]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.614284][ T1127]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.614486][ T1127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.614673][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.614862][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.615051][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.615238][ T1127]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.615446][ T1127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.615633][ T1127]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.615822][ T1127]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.616008][ T1127]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.616200][ T1127]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.616415][ T1127]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.616600][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.616800][ T1127]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.616988][ T1127]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.617176][ T1127]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.617475][ T1127]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.617662][ T1127]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.617849][ T1127]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.618166][ T1127]  ? move_addr_to_kernel (net/socket.c:258)
[   40.618375][ T1127]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.618562][ T1127]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.618748][ T1127]  ___sys_sendmsg (net/socket.c:2752)
[   40.619024][ T1127]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.619244][ T1127]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.619462][ T1127]  __sys_sendmsg (net/socket.c:2784)
[   40.619655][ T1127]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.619927][ T1127]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.620147][ T1127]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.620357][ T1127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.620542][ T1127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.620820][ T1127]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.621004][ T1127]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.621197][ T1127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.621538][ T1127] RIP: 0033:0x7fd0908a908e
[   40.621730][ T1127] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.622380][ T1127] RSP: 002b:00007ffe14708bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.622638][ T1127] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd0908a908e
[   40.622889][ T1127] RDX: 0000000000000000 RSI: 00007ffe14708c70 RDI: 0000000000000005
[   40.623240][ T1127] RBP: 00007ffe14708bd0 R08: 0000000000000000 R09: 0000000000000000
[   40.623513][ T1127] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7e
[   40.623766][ T1127] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe14709340
| [   40.629376][ T1127] ------------[ cut here ]------------
| [   40.629563][ T1127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1127
| [   40.629873][ T1127] Modules linked in: netdevsim
| [   40.631098][ T1127] Tainted: [W]=WARN
[   40.631401][ T1127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.631607][ T1127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.631829][ T1127] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.632357][ T1127] RSP: 0018:ffa0000002a17190 EFLAGS: 00010286
[   40.632571][ T1127] RAX: 00000000ffffffa6 RBX: ff1100000ad54dc0 RCX: 1ff4000000542df8
[   40.632817][ T1127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad54e70
[   40.633059][ T1127] RBP: ff110000091b1000 R08: 1fe22000015aa9cf R09: ff1100000cc9ae58
[   40.633321][ T1127] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   40.633588][ T1127] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.633838][ T1127] FS:  00007fd09066f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   40.634151][ T1127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.634386][ T1127] CR2: 000000002ded7988 CR3: 000000000ced5002 CR4: 0000000000771ef0
[   40.634635][ T1127] PKRU: 55555554
[   40.634781][ T1127] Call Trace:
[   40.634930][ T1127]  <TASK>
[   40.635048][ T1127]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.635269][ T1127]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.635498][ T1127]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.635679][ T1127]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.635857][ T1127]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.636158][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.636360][ T1127]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   40.636541][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.636721][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.636983][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.637159][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.637353][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.637549][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.637806][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.637985][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.638162][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.638364][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.638623][ T1127]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   40.638805][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.638982][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.639163][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.639452][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.639635][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.639818][ T1127]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.639999][ T1127]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.640265][ T1127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.640469][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.640655][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.640832][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.641095][ T1127]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.641275][ T1127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.641480][ T1127]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.641663][ T1127]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.641925][ T1127]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.642106][ T1127]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.642286][ T1127]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.642488][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.642758][ T1127]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.642946][ T1127]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.643133][ T1127]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.643343][ T1127]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.643603][ T1127]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.643783][ T1127]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.643996][ T1127]  ? move_addr_to_kernel (net/socket.c:258)
[   40.644175][ T1127]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.644464][ T1127]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.644644][ T1127]  ___sys_sendmsg (net/socket.c:2752)
[   40.644825][ T1127]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.645038][ T1127]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.645323][ T1127]  __sys_sendmsg (net/socket.c:2784)
[   40.645522][ T1127]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.645698][ T1127]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.645912][ T1127]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.646178][ T1127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.646381][ T1127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.646561][ T1127]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.646738][ T1127]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.647002][ T1127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.647209][ T1127] RIP: 0033:0x7fd0908a908e
[   40.647421][ T1127] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.648059][ T1127] RSP: 002b:00007ffe14708bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.648459][ T1127] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd0908a908e
[   40.648705][ T1127] RDX: 0000000000000000 RSI: 00007ffe14708c70 RDI: 0000000000000005
[   40.648954][ T1127] RBP: 00007ffe14708bd0 R08: 0000000000000000 R09: 0000000000000000
[   40.649280][ T1127] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7e
[   40.649539][ T1127] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe14709340
| [   40.766486][ T1129] ------------[ cut here ]------------
| [   40.766711][ T1129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/1129
| [   40.767059][ T1129] Modules linked in: netdevsim
| [   40.767663][ T1129] Tainted: [W]=WARN
[   40.767792][ T1129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.767999][ T1129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.768213][ T1129] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.768872][ T1129] RSP: 0018:ffa0000002a27268 EFLAGS: 00010286
[   40.769079][ T1129] RAX: 00000000ffffffa6 RBX: ff11000004b0b0c0 RCX: 1ff4000000544e13
[   40.769333][ T1129] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b170
[   40.769571][ T1129] RBP: ff11000009e2a000 R08: 1fe220000096162f R09: ff1100000ccb51d0
[   40.769816][ T1129] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.770058][ T1129] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e2a000
[   40.770302][ T1129] FS:  00007f750f888840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   40.770589][ T1129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.770790][ T1129] CR2: 00007f750fe3d004 CR3: 000000000f45a001 CR4: 0000000000771ef0
[   40.771031][ T1129] PKRU: 55555554
[   40.771154][ T1129] Call Trace:
[   40.771311][ T1129]  <TASK>
[   40.771403][ T1129]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.771567][ T1129]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.771689][ T1129]  register_netdevice (net/core/dev.c:11488)
[   40.771857][ T1129]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   40.772055][ T1129]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   40.772219][ T1129] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   40.772438][ T1129] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   40.772601][ T1129] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   40.772797][ T1129]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   40.772962][ T1129]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   40.773164][ T1129]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   40.773333][ T1129]  ? static_obj (kernel/locking/lockdep.c:858)
[   40.773454][ T1129]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   40.773617][ T1129]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   40.773821][ T1129] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   40.774022][ T1129]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   40.774220][ T1129]  devlink_reload (net/devlink/dev.c:475)
[   40.774390][ T1129]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   40.774549][ T1129]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   40.774749][ T1129]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   40.774908][ T1129]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   40.775101][ T1129]  ? __nla_validate_parse (lib/nlattr.c:635)
[   40.775261][ T1129]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   40.775434][ T1129]  ? __nla_parse (lib/nlattr.c:732)
[   40.775596][ T1129]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   40.775759][ T1129]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   40.775959][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.776117][ T1129]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   40.776275][ T1129]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.776449][ T1129]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   40.776606][ T1129]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   40.776801][ T1129]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.777000][ T1129]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   40.777162][ T1129]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   40.777323][ T1129]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   40.777488][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.777648][ T1129]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   40.777807][ T1129]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.777964][ T1129]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   40.778123][ T1129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.778287][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.778457][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.778619][ T1129]  genl_rcv (net/netlink/genetlink.c:1218)
[   40.778739][ T1129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.778900][ T1129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.779058][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.779218][ T1129]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.779387][ T1129]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.779547][ T1129]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.779707][ T1129]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.779870][ T1129]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   40.780030][ T1129]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   40.780201][ T1129]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   40.780368][ T1129]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.780564][ T1129]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   40.780722][ T1129]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   40.780880][ T1129]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.781038][ T1129]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.781196][ T1129]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.781369][ T1129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.781573][ T1129] RIP: 0033:0x7f750fac208e
[   40.781739][ T1129] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.782305][ T1129] RSP: 002b:00007ffe9dad23d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   40.782552][ T1129] RAX: ffffffffffffffda RBX: 000000003eb30980 RCX: 00007f750fac208e
[   40.782786][ T1129] RDX: 0000000000000038 RSI: 000000003eb30ba0 RDI: 0000000000000005
[   40.783023][ T1129] RBP: 00007ffe9dad23e0 R08: 00007f750fd76980 R09: 000000000000000c
[   40.783260][ T1129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   40.783512][ T1129] R13: 000000003eb30980 R14: 0000000000000000 R15: 0000000000000003
| [   40.863798][ T1139] ------------[ cut here ]------------
| [   40.864016][ T1139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1139
| [   40.864882][ T1139] Modules linked in: netdevsim
| [   40.865428][ T1139] Tainted: [W]=WARN
[   40.865581][ T1139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.865803][ T1139] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.866036][ T1139] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.866598][ T1139] RSP: 0018:ffa0000002c771b0 EFLAGS: 00010286
[   40.866824][ T1139] RAX: 00000000ffffffa6 RBX: ff110000094a4dc0 RCX: 1ff400000058edfc
[   40.867081][ T1139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4e70
[   40.867358][ T1139] RBP: ff1100000c791000 R08: 1fe22000012949cf R09: ff1100000f4a8ba8
[   40.867615][ T1139] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   40.867870][ T1139] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   40.868130][ T1139] FS:  00007ffb5961d840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   40.868445][ T1139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.868670][ T1139] CR2: 00000000004a77b8 CR3: 0000000004f8c002 CR4: 0000000000771ef0
[   40.868931][ T1139] PKRU: 55555554
[   40.869084][ T1139] Call Trace:
[   40.869238][ T1139]  <TASK>
[   40.869382][ T1139]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.869576][ T1139]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.869772][ T1139]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.869963][ T1139]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.870119][ T1139]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   40.870311][ T1139]  __dev_notify_flags (net/core/dev.c:9787)
[   40.870519][ T1139]  ? netif_change_name (net/core/dev.c:1495)
[   40.870713][ T1139]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   40.870936][ T1139]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   40.871131][ T1139]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   40.871341][ T1139]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   40.871532][ T1139]  ? __dev_get_by_name (net/core/dev.c:883)
[   40.871721][ T1139]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   40.871915][ T1139]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   40.872108][ T1139]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.872307][ T1139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.872514][ T1139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.872703][ T1139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.872890][ T1139]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.873079][ T1139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.873274][ T1139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.873483][ T1139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.873671][ T1139]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.873864][ T1139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.874057][ T1139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.874243][ T1139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.874458][ T1139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.874648][ T1139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.874841][ T1139]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.875030][ T1139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.875220][ T1139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.875435][ T1139]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.875626][ T1139]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.875817][ T1139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.876008][ T1139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.876197][ T1139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.876415][ T1139]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.876620][ T1139]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.876815][ T1139]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.877024][ T1139]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.877227][ T1139]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.877451][ T1139]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.877685][ T1139]  ? move_addr_to_kernel (net/socket.c:258)
[   40.877887][ T1139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.878086][ T1139]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   40.878285][ T1139]  ___sys_sendmsg (net/socket.c:2752)
[   40.878505][ T1139]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   40.878706][ T1139]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.878911][ T1139]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   40.879116][ T1139]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   40.879340][ T1139]  __sys_sendmsg (net/socket.c:2784)
[   40.879539][ T1139]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.879737][ T1139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.879927][ T1139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.880119][ T1139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.880319][ T1139]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.880528][ T1139]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.880728][ T1139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.880957][ T1139] RIP: 0033:0x7ffb5985708e
[   40.881156][ T1139] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.881732][ T1139] RSP: 002b:00007ffdb7e58630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.881999][ T1139] RAX: ffffffffffffffda RBX: 00007ffdb7e58de0 RCX: 00007ffb5985708e
[   40.882254][ T1139] RDX: 0000000000000000 RSI: 00007ffdb7e586e0 RDI: 0000000000000005
[   40.882541][ T1139] RBP: 00007ffdb7e58640 R08: 0000000000000000 R09: 0000000000000000
[   40.882808][ T1139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   40.883075][ T1139] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb7e58db0
| [   40.922469][ T1140] ------------[ cut here ]------------
| [   40.922697][ T1140] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1140
| [   40.923057][ T1140] Modules linked in: netdevsim
| [   40.923624][ T1140] Tainted: [W]=WARN
[   40.923780][ T1140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.924004][ T1140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.924248][ T1140] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.924819][ T1140] RSP: 0018:ffa0000002c87020 EFLAGS: 00010286
[   40.925046][ T1140] RAX: 00000000ffffffa6 RBX: ff110000094a4ac0 RCX: 1ff4000000590dca
[   40.925344][ T1140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094a4b70
[   40.925605][ T1140] RBP: ff1100000c791000 R08: 1fe220000129496f R09: ff1100000f4aae80
[   40.925860][ T1140] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   40.926115][ T1140] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   40.926395][ T1140] FS:  00007f8a85d12840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   40.926715][ T1140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.926938][ T1140] CR2: 00007f8a85fe21a0 CR3: 000000000f436004 CR4: 0000000000771ef0
[   40.927195][ T1140] PKRU: 55555554
[   40.927477][ T1140] Call Trace:
[   40.927711][ T1140]  <TASK>
[   40.927930][ T1140]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   40.928227][ T1140]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.928513][ T1140]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.928668][ T1140]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   40.928859][ T1140]  __dev_notify_flags (net/core/dev.c:9787)
[   40.929054][ T1140]  ? netif_change_name (net/core/dev.c:1495)
[   40.929242][ T1140]  ? __dev_change_flags (net/core/dev.c:9752)
[   40.929448][ T1140]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   40.929637][ T1140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.929826][ T1140]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   40.930016][ T1140]  netif_change_flags (net/core/dev.c:9820)
[   40.930206][ T1140]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   40.930415][ T1140]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.930604][ T1140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.930825][ T1140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.931018][ T1140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.931210][ T1140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.931429][ T1140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.931617][ T1140]  ? __kernel_text_address (kernel/extable.c:79)
[   40.931804][ T1140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.931995][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.932188][ T1140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.932396][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.932583][ T1140]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.932773][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.932973][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.933162][ T1140]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.933371][ T1140]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   40.933562][ T1140]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.933754][ T1140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.933944][ T1140]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.934135][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.934347][ T1140]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.934539][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.934726][ T1140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.934914][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.935100][ T1140]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.935292][ T1140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.935507][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.935695][ T1140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.935886][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.936084][ T1140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.936275][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.936485][ T1140]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.936673][ T1140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.936866][ T1140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.937052][ T1140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.937240][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.937447][ T1140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.937637][ T1140]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.937826][ T1140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.938015][ T1140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.938205][ T1140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.938413][ T1140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.938605][ T1140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.938795][ T1140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.938980][ T1140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.939169][ T1140]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.939386][ T1140]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.939580][ T1140]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.939779][ T1140]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.939973][ T1140]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.940161][ T1140]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.940405][ T1140]  ? move_addr_to_kernel (net/socket.c:258)
[   40.940596][ T1140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.940784][ T1140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.940977][ T1140]  ___sys_sendmsg (net/socket.c:2752)
[   40.941167][ T1140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.941411][ T1140]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.941614][ T1140]  __sys_sendmsg (net/socket.c:2784)
[   40.941801][ T1140]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.941987][ T1140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.942211][ T1140]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.942419][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.942612][ T1140]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.942799][ T1140]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.942988][ T1140]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.943177][ T1140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.943418][ T1140] RIP: 0033:0x7f8a85f4c08e
[   40.943612][ T1140] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.944151][ T1140] RSP: 002b:00007ffd915e9a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.944461][ T1140] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a85f4c08e
[   40.944720][ T1140] RDX: 0000000000000000 RSI: 00007ffd915e9ab0 RDI: 0000000000000005
[   40.944982][ T1140] RBP: 00007ffd915e9a10 R08: 0000000000000000 R09: 0000000000000000
[   40.945244][ T1140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   40.945516][ T1140] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd915ea180
| [   41.065274][ T1143] ------------[ cut here ]------------
| [   41.065471][ T1143] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1143
| [   41.065754][ T1143] Modules linked in: netdevsim
| [   41.066191][ T1143] Tainted: [W]=WARN
[   41.066312][ T1143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.066496][ T1143] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.066675][ T1143] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.067156][ T1143] RSP: 0018:ffa0000002cb7010 EFLAGS: 00010286
[   41.067343][ T1143] RAX: 00000000ffffffa6 RBX: ff11000004e1c040 RCX: 1ff4000000596dc8
[   41.067550][ T1143] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c0f0
[   41.067753][ T1143] RBP: ff1100000c791000 R08: 1fe22000009c381f R09: ff1100000c1e2e80
[   41.067962][ T1143] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   41.068175][ T1143] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002cb7100
[   41.069150][ T1143] FS:  00007fece6922840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   41.069412][ T1143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.069584][ T1143] CR2: 00007fece6bf21a0 CR3: 000000000dec2005 CR4: 0000000000771ef0
[   41.069790][ T1143] PKRU: 55555554
[   41.069895][ T1143] Call Trace:
[   41.069999][ T1143]  <TASK>
[   41.070075][ T1143]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.070220][ T1143]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.070365][ T1143]  netif_close_many (net/core/dev.c:1804)
[   41.070503][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.070643][ T1143]  ? __dev_close_many (net/core/dev.c:1781)
[   41.070784][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.070925][ T1143]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.071063][ T1143]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.071202][ T1143]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   41.071386][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.071524][ T1143]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.071694][ T1143]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.071829][ T1143]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.071966][ T1143]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.072138][ T1143]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   41.072272][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.072425][ T1143]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   41.072565][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.072760][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.072959][ T1143]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   41.073162][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.073404][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.073626][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.073764][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.073901][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.074036][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.074172][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.074317][ T1143]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   41.074477][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.074616][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.074752][ T1143]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   41.074894][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.075036][ T1143]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   41.075174][ T1143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.075315][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.075459][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.075599][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.075740][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.075875][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.076014][ T1143]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.076153][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.076291][ T1143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.076442][ T1143]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.076583][ T1143]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.076723][ T1143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.076863][ T1143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.077000][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.077143][ T1143]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.077281][ T1143]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.077431][ T1143]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.077570][ T1143]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.077730][ T1143]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.077933][ T1143]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.078187][ T1143]  ? move_addr_to_kernel (net/socket.c:258)
[   41.078346][ T1143]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.078483][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.078652][ T1143]  ___sys_sendmsg (net/socket.c:2752)
[   41.078849][ T1143]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.079038][ T1143]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.079184][ T1143]  __sys_sendmsg (net/socket.c:2784)
[   41.079335][ T1143]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.079475][ T1143]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.079652][ T1143]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.079794][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.079930][ T1143]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.080068][ T1143]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.080204][ T1143]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.080355][ T1143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.080527][ T1143] RIP: 0033:0x7fece6b5c08e
[   41.080673][ T1143] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.081157][ T1143] RSP: 002b:00007fff25214660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.081375][ T1143] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fece6b5c08e
[   41.081578][ T1143] RDX: 0000000000000000 RSI: 00007fff25214710 RDI: 0000000000000005
[   41.081783][ T1143] RBP: 00007fff25214670 R08: 0000000000000000 R09: 0000000000000000
[   41.081992][ T1143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.082195][ T1143] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25214de0
| [   41.085521][ T1143] ------------[ cut here ]------------
| [   41.085711][ T1143] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1143
| [   41.086066][ T1143] Modules linked in: netdevsim
| [   41.086635][ T1143] Tainted: [W]=WARN
[   41.086781][ T1143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.087033][ T1143] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.087305][ T1143] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.088034][ T1143] RSP: 0018:ffa0000002cb7190 EFLAGS: 00010286
[   41.088288][ T1143] RAX: 00000000ffffffa6 RBX: ff11000004ec19c0 RCX: 1ff4000000596df8
[   41.088560][ T1143] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1a70
[   41.088830][ T1143] RBP: ff1100000c791000 R08: 1fe22000009d834f R09: ff1100000c1e2e58
[   41.089100][ T1143] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   41.089363][ T1143] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.089647][ T1143] FS:  00007fece6922840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   41.089959][ T1143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.090201][ T1143] CR2: 00007f8a85ddf574 CR3: 000000000dec2004 CR4: 0000000000771ef0
[   41.090478][ T1143] PKRU: 55555554
[   41.090617][ T1143] Call Trace:
[   41.090765][ T1143]  <TASK>
[   41.090861][ T1143]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.091099][ T1143]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.091362][ T1143]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.091564][ T1143]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.091766][ T1143]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.092022][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.092222][ T1143]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   41.092426][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.092611][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.092807][ T1143]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   41.093003][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.093172][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.093411][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.093580][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.093746][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.093916][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.094102][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.094278][ T1143]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   41.094463][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.094632][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.094826][ T1143]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   41.095011][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.095216][ T1143]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   41.095429][ T1143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.095627][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.095828][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.096028][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.096227][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.096429][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.096607][ T1143]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.096783][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.096974][ T1143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.097149][ T1143]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.097334][ T1143]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.097521][ T1143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.097710][ T1143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.097884][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.098057][ T1143]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.098247][ T1143]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.098440][ T1143]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.098609][ T1143]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.098774][ T1143]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.098947][ T1143]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.099161][ T1143]  ? move_addr_to_kernel (net/socket.c:258)
[   41.099341][ T1143]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.099528][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.099734][ T1143]  ___sys_sendmsg (net/socket.c:2752)
[   41.099936][ T1143]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.100187][ T1143]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.100425][ T1143]  __sys_sendmsg (net/socket.c:2784)
[   41.100630][ T1143]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.100829][ T1143]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.101052][ T1143]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.101219][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.101401][ T1143]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.101572][ T1143]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.101745][ T1143]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.101934][ T1143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.102150][ T1143] RIP: 0033:0x7fece6b5c08e
[   41.102346][ T1143] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.102968][ T1143] RSP: 002b:00007fff25214660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.103230][ T1143] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fece6b5c08e
[   41.103522][ T1143] RDX: 0000000000000000 RSI: 00007fff25214710 RDI: 0000000000000005
[   41.103794][ T1143] RBP: 00007fff25214670 R08: 0000000000000000 R09: 0000000000000000
[   41.104066][ T1143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.104322][ T1143] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25214de0
| [   41.352390][ T1156] ------------[ cut here ]------------
| [   41.352653][ T1156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1156
| [   41.353123][ T1156] Modules linked in: netdevsim
| [   41.353803][ T1156] Tainted: [W]=WARN
[   41.353970][ T1156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.354248][ T1156] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.354559][ T1156] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.355347][ T1156] RSP: 0018:ffa0000002d371b0 EFLAGS: 00010286
[   41.355626][ T1156] RAX: 00000000ffffffa6 RBX: ff1100000b30e1c0 RCX: 1ff40000005a6dfc
[   41.355958][ T1156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b30e270
[   41.356283][ T1156] RBP: ff11000008321000 R08: 1fe2200001661c4f R09: ff1100000f4f51a8
[   41.356620][ T1156] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   41.356945][ T1156] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.357279][ T1156] FS:  00007f3111ec7840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   41.357679][ T1156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.357957][ T1156] CR2: 00000000004a77b8 CR3: 000000000c07a002 CR4: 0000000000771ef0
[   41.358286][ T1156] PKRU: 55555554
[   41.358463][ T1156] Call Trace:
[   41.358626][ T1156]  <TASK>
[   41.358736][ T1156]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.358961][ T1156]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.359184][ T1156]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.359416][ T1156]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.359585][ T1156]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   41.359805][ T1156]  __dev_notify_flags (net/core/dev.c:9787)
[   41.360028][ T1156]  ? netif_change_name (net/core/dev.c:1495)
[   41.360252][ T1156]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   41.360540][ T1156]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   41.360761][ T1156]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   41.360984][ T1156]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   41.361204][ T1156]  ? __dev_get_by_name (net/core/dev.c:883)
[   41.361454][ T1156]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   41.361691][ T1156]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   41.361920][ T1156]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.362143][ T1156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.362374][ T1156]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.362590][ T1156]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.362810][ T1156]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.363026][ T1156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.363257][ T1156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.363491][ T1156]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.363714][ T1156]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.363937][ T1156]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.364154][ T1156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.364383][ T1156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.364573][ T1156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.364770][ T1156]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.364994][ T1156]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.365211][ T1156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.365450][ T1156]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.365682][ T1156]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.365898][ T1156]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.366118][ T1156]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.366350][ T1156]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.366571][ T1156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.366796][ T1156]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.367020][ T1156]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.367250][ T1156]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.367494][ T1156]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.367714][ T1156]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.367935][ T1156]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.368204][ T1156]  ? move_addr_to_kernel (net/socket.c:258)
[   41.368435][ T1156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.368657][ T1156]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   41.368883][ T1156]  ___sys_sendmsg (net/socket.c:2752)
[   41.369099][ T1156]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   41.369321][ T1156]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.369561][ T1156]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   41.369789][ T1156]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   41.370013][ T1156]  __sys_sendmsg (net/socket.c:2784)
[   41.370233][ T1156]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.370473][ T1156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.370694][ T1156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.370912][ T1156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.371127][ T1156]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.371355][ T1156]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.371575][ T1156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.371847][ T1156] RIP: 0033:0x7f311210108e
[   41.372074][ T1156] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.372866][ T1156] RSP: 002b:00007ffde4cae0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.373196][ T1156] RAX: ffffffffffffffda RBX: 00007ffde4cae8a0 RCX: 00007f311210108e
[   41.373538][ T1156] RDX: 0000000000000000 RSI: 00007ffde4cae1a0 RDI: 0000000000000005
[   41.373866][ T1156] RBP: 00007ffde4cae100 R08: 0000000000000000 R09: 0000000000000000
[   41.374192][ T1156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.374533][ T1156] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde4cae870
| [   41.411684][ T1157] ------------[ cut here ]------------
| [   41.411872][ T1157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1157
| [   41.412154][ T1157] Modules linked in: netdevsim
| [   41.412598][ T1157] Tainted: [W]=WARN
[   41.412709][ T1157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.412884][ T1157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.413067][ T1157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.413599][ T1157] RSP: 0018:ffa0000002d47020 EFLAGS: 00010286
[   41.413776][ T1157] RAX: 00000000ffffffa6 RBX: ff1100000b30f840 RCX: 1ff40000005a8dca
[   41.413985][ T1157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b30f8f0
[   41.414191][ T1157] RBP: ff11000008321000 R08: 1fe2200001661f1f R09: ff1100000f500b80
[   41.414408][ T1157] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   41.414615][ T1157] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.414826][ T1157] FS:  00007f264d200840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   41.415070][ T1157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.415244][ T1157] CR2: 00007f264d4d01a0 CR3: 0000000004caf006 CR4: 0000000000771ef0
[   41.415465][ T1157] PKRU: 55555554
[   41.415570][ T1157] Call Trace:
[   41.415676][ T1157]  <TASK>
[   41.415749][ T1157]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   41.415889][ T1157]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.416029][ T1157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.416133][ T1157]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   41.416271][ T1157]  __dev_notify_flags (net/core/dev.c:9787)
[   41.416420][ T1157]  ? netif_change_name (net/core/dev.c:1495)
[   41.416558][ T1157]  ? __dev_change_flags (net/core/dev.c:9752)
[   41.416695][ T1157]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.416831][ T1157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.416970][ T1157]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   41.417110][ T1157]  netif_change_flags (net/core/dev.c:9820)
[   41.417248][ T1157]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   41.417431][ T1157]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.417569][ T1157]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.417740][ T1157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.417880][ T1157]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.418018][ T1157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.418156][ T1157]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.418302][ T1157]  ? __kernel_text_address (kernel/extable.c:79)
[   41.418450][ T1157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.418591][ T1157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.418727][ T1157]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.418865][ T1157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.419004][ T1157]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.419141][ T1157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.419277][ T1157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.419436][ T1157]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.419575][ T1157]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   41.419715][ T1157]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.419852][ T1157]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.419992][ T1157]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.420132][ T1157]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.420274][ T1157]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.420428][ T1157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.420567][ T1157]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.420705][ T1157]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.420841][ T1157]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.420981][ T1157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.421121][ T1157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.421256][ T1157]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.421409][ T1157]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.421545][ T1157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.421687][ T1157]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.421825][ T1157]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.421967][ T1157]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.422104][ T1157]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.422241][ T1157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.422392][ T1157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.422526][ T1157]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.422666][ T1157]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.422805][ T1157]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.422948][ T1157]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.423088][ T1157]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.423225][ T1157]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.423383][ T1157]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.423520][ T1157]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.423658][ T1157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.423801][ T1157]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.423939][ T1157]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.424079][ T1157]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.424219][ T1157]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.424368][ T1157]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.424506][ T1157]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.424676][ T1157]  ? move_addr_to_kernel (net/socket.c:258)
[   41.424817][ T1157]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.424954][ T1157]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.425094][ T1157]  ___sys_sendmsg (net/socket.c:2752)
[   41.425228][ T1157]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.425410][ T1157]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.425564][ T1157]  __sys_sendmsg (net/socket.c:2784)
[   41.425703][ T1157]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.425847][ T1157]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.426024][ T1157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.426162][ T1157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.426308][ T1157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.426453][ T1157]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.426591][ T1157]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.426732][ T1157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.426903][ T1157] RIP: 0033:0x7f264d43a08e
[   41.427052][ T1157] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.427547][ T1157] RSP: 002b:00007fff0a14ca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.427756][ T1157] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f264d43a08e
[   41.427963][ T1157] RDX: 0000000000000000 RSI: 00007fff0a14cae0 RDI: 0000000000000005
[   41.428180][ T1157] RBP: 00007fff0a14ca40 R08: 0000000000000000 R09: 0000000000000000
[   41.428418][ T1157] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.428627][ T1157] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0a14d1b0
| [   41.474398][ T1158] ------------[ cut here ]------------
| [   41.474654][ T1158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1158
| [   41.475080][ T1158] Modules linked in: netdevsim
| [   41.475763][ T1158] Tainted: [W]=WARN
[   41.475934][ T1158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.476203][ T1158] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.476495][ T1158] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.477254][ T1158] RSP: 0018:ffa0000002d571b0 EFLAGS: 00010286
[   41.477544][ T1158] RAX: 00000000ffffffa6 RBX: ff11000004b0be40 RCX: 1ff40000005aadfc
[   41.477870][ T1158] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0bef0
[   41.478190][ T1158] RBP: ff11000002841000 R08: 1fe22000009617df R09: ff1100000f502ea8
[   41.478524][ T1158] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   41.478847][ T1158] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.479170][ T1158] FS:  00007f0888f74840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   41.479557][ T1158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.479829][ T1158] CR2: 00000000004a77b8 CR3: 000000000f4ff004 CR4: 0000000000771ef0
[   41.480156][ T1158] PKRU: 55555554
[   41.480319][ T1158] Call Trace:
[   41.480796][ T1158]  <TASK>
[   41.480911][ T1158]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.481129][ T1158]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.481470][ T1158]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.481685][ T1158]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.481846][ T1158]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   41.482060][ T1158]  __dev_notify_flags (net/core/dev.c:9787)
[   41.482271][ T1158]  ? netif_change_name (net/core/dev.c:1495)
[   41.482605][ T1158]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   41.482867][ T1158]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   41.483076][ T1158]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   41.483287][ T1158]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   41.483505][ T1158]  ? __dev_get_by_name (net/core/dev.c:883)
[   41.483719][ T1158]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   41.483940][ T1158]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   41.484155][ T1158]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.484375][ T1158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.484597][ T1158]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.484809][ T1158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.485018][ T1158]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.485227][ T1158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.485460][ T1158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.485672][ T1158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.485877][ T1158]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.486087][ T1158]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.486294][ T1158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.486535][ T1158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.486746][ T1158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.486954][ T1158]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.487166][ T1158]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.487389][ T1158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.487604][ T1158]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.487821][ T1158]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.488031][ T1158]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.488242][ T1158]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.488470][ T1158]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.488684][ T1158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.488898][ T1158]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.489117][ T1158]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.489348][ T1158]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.489566][ T1158]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.489778][ T1158]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.489986][ T1158]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.490240][ T1158]  ? move_addr_to_kernel (net/socket.c:258)
[   41.490466][ T1158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.490679][ T1158]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   41.490895][ T1158]  ___sys_sendmsg (net/socket.c:2752)
[   41.491098][ T1158]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   41.491311][ T1158]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.491537][ T1158]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   41.491753][ T1158]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   41.491966][ T1158]  __sys_sendmsg (net/socket.c:2784)
[   41.492174][ T1158]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.492396][ T1158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.492603][ T1158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.492807][ T1158]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.493008][ T1158]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.493215][ T1158]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.493435][ T1158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.493693][ T1158] RIP: 0033:0x7f08891ae08e
[   41.493909][ T1158] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.494655][ T1158] RSP: 002b:00007ffdc7a820c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.494969][ T1158] RAX: ffffffffffffffda RBX: 00007ffdc7a82870 RCX: 00007f08891ae08e
[   41.495276][ T1158] RDX: 0000000000000000 RSI: 00007ffdc7a82170 RDI: 0000000000000005
[   41.495596][ T1158] RBP: 00007ffdc7a820d0 R08: 0000000000000000 R09: 0000000000000000
[   41.495909][ T1158] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.496224][ T1158] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc7a82840
| [   41.532321][ T1159] ------------[ cut here ]------------
| [   41.532512][ T1159] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1159
| [   41.532795][ T1159] Modules linked in: netdevsim
| [   41.533242][ T1159] Tainted: [W]=WARN
[   41.533456][ T1159] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.533634][ T1159] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.533816][ T1159] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.534308][ T1159] RSP: 0018:ffa0000002d67020 EFLAGS: 00010286
[   41.534588][ T1159] RAX: 00000000ffffffa6 RBX: ff11000004f930c0 RCX: 1ff40000005acdca
[   41.534801][ T1159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93170
[   41.535007][ T1159] RBP: ff11000002841000 R08: 1fe22000009f262f R09: ff1100000f505180
[   41.535215][ T1159] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   41.535508][ T1159] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.535715][ T1159] FS:  00007ff6e1693840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   41.535960][ T1159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.536137][ T1159] CR2: 000000001829c988 CR3: 000000000f50f002 CR4: 0000000000771ef0
[   41.536418][ T1159] PKRU: 55555554
[   41.536524][ T1159] Call Trace:
[   41.536630][ T1159]  <TASK>
[   41.536703][ T1159]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.536847][ T1159]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.536953][ T1159]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   41.537094][ T1159]  __dev_notify_flags (net/core/dev.c:9787)
[   41.537232][ T1159]  ? netif_change_name (net/core/dev.c:1495)
[   41.537445][ T1159]  ? __dev_change_flags (net/core/dev.c:9752)
[   41.537586][ T1159]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.537720][ T1159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.537857][ T1159]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   41.538001][ T1159]  netif_change_flags (net/core/dev.c:9820)
[   41.538140][ T1159]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   41.538279][ T1159]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.538488][ T1159]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.538661][ T1159]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.538797][ T1159]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.538941][ T1159]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.539080][ T1159]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.539216][ T1159]  ? __kernel_text_address (kernel/extable.c:79)
[   41.539423][ T1159]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.539563][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.539703][ T1159]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.539840][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.539978][ T1159]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.540115][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.540251][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.540458][ T1159]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.540600][ T1159]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   41.540738][ T1159]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.540875][ T1159]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.541014][ T1159]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.541155][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.541295][ T1159]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.541543][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.541687][ T1159]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.541829][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.541973][ T1159]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.542114][ T1159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.542252][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.542489][ T1159]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.542632][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.542777][ T1159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.542918][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.543060][ T1159]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.543197][ T1159]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.543426][ T1159]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.543566][ T1159]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.543706][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.543843][ T1159]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.543981][ T1159]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.544123][ T1159]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.544262][ T1159]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.544568][ T1159]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.544746][ T1159]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.544927][ T1159]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.545108][ T1159]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.545288][ T1159]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.545597][ T1159]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.545774][ T1159]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.545955][ T1159]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.546137][ T1159]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.546319][ T1159]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.546503][ T1159]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.546722][ T1159]  ? move_addr_to_kernel (net/socket.c:258)
[   41.546903][ T1159]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.547087][ T1159]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.547245][ T1159]  ___sys_sendmsg (net/socket.c:2752)
[   41.547397][ T1159]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.547639][ T1159]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.547858][ T1159]  __sys_sendmsg (net/socket.c:2784)
[   41.548050][ T1159]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.548185][ T1159]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.548384][ T1159]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.548526][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.548663][ T1159]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.548801][ T1159]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.548945][ T1159]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.549086][ T1159]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.549258][ T1159] RIP: 0033:0x7ff6e18cd08e
[   41.549418][ T1159] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.549906][ T1159] RSP: 002b:00007ffd44fee870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.550124][ T1159] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6e18cd08e
[   41.550342][ T1159] RDX: 0000000000000000 RSI: 00007ffd44fee920 RDI: 0000000000000005
[   41.550562][ T1159] RBP: 00007ffd44fee880 R08: 0000000000000000 R09: 0000000000000000
[   41.550773][ T1159] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.550989][ T1159] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd44feeff0
| [   41.625093][ T1160] ------------[ cut here ]------------
| [   41.625424][ T1160] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1160
| [   41.625924][ T1160] Modules linked in: netdevsim
| [   41.626729][ T1160] Tainted: [W]=WARN
[   41.626951][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.627292][ T1160] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.627658][ T1160] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.628511][ T1160] RSP: 0018:ffa0000002d771b0 EFLAGS: 00010286
[   41.628840][ T1160] RAX: 00000000ffffffa6 RBX: ff11000009111e40 RCX: 1ff40000005aedfc
[   41.629223][ T1160] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111ef0
[   41.629625][ T1160] RBP: ff1100000c601000 R08: 1fe22000012223df R09: ff11000004f2d1a8
[   41.630001][ T1160] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   41.630399][ T1160] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.630776][ T1160] FS:  00007f24ae56f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   41.631217][ T1160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.632053][ T1160] CR2: 00000000004a77b8 CR3: 000000000dc23004 CR4: 0000000000771ef0
[   41.632453][ T1160] PKRU: 55555554
[   41.632670][ T1160] Call Trace:
[   41.632888][ T1160]  <TASK>
[   41.633056][ T1160]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.633351][ T1160]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.633630][ T1160]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.633902][ T1160]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.634125][ T1160]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   41.634421][ T1160]  __dev_notify_flags (net/core/dev.c:9787)
[   41.634699][ T1160]  ? netif_change_name (net/core/dev.c:1495)
[   41.634980][ T1160]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   41.635318][ T1160]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   41.635610][ T1160]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   41.635879][ T1160]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   41.636147][ T1160]  ? __dev_get_by_name (net/core/dev.c:883)
[   41.636453][ T1160]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   41.636739][ T1160]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   41.637017][ T1160]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.637290][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.637590][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.637866][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.638132][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.638428][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.638714][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.638986][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.639254][ T1160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.639555][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.639823][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.640092][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.640395][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.640664][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.640940][ T1160]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.641212][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.641508][ T1160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.641796][ T1160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.642067][ T1160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.642364][ T1160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.642642][ T1160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.642917][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.643194][ T1160]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.643489][ T1160]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.643761][ T1160]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.644045][ T1160]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.644322][ T1160]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.644610][ T1160]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.644933][ T1160]  ? move_addr_to_kernel (net/socket.c:258)
[   41.645207][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.645501][ T1160]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   41.645775][ T1160]  ___sys_sendmsg (net/socket.c:2752)
[   41.646050][ T1160]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   41.646349][ T1160]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.646630][ T1160]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   41.646910][ T1160]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   41.647190][ T1160]  __sys_sendmsg (net/socket.c:2784)
[   41.647490][ T1160]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.647772][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.648053][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.648352][ T1160]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.648619][ T1160]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.648888][ T1160]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.649150][ T1160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.649499][ T1160] RIP: 0033:0x7f24ae7a908e
[   41.649775][ T1160] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.650626][ T1160] RSP: 002b:00007fff3e555c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.651004][ T1160] RAX: ffffffffffffffda RBX: 00007fff3e5563c0 RCX: 00007f24ae7a908e
[   41.651398][ T1160] RDX: 0000000000000000 RSI: 00007fff3e555cc0 RDI: 0000000000000005
[   41.651780][ T1160] RBP: 00007fff3e555c20 R08: 0000000000000000 R09: 0000000000000000
[   41.652153][ T1160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.652557][ T1160] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3e556390
| [   41.685664][ T1161] ------------[ cut here ]------------
| [   41.685835][ T1161] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1161
| [   41.686127][ T1161] Modules linked in: netdevsim
| [   41.686683][ T1161] Tainted: [W]=WARN
[   41.686794][ T1161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.686994][ T1161] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.687178][ T1161] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.687770][ T1161] RSP: 0018:ffa0000002a27020 EFLAGS: 00010286
[   41.687945][ T1161] RAX: 00000000ffffffa6 RBX: ff1100000dffe1c0 RCX: 1ff4000000544dca
[   41.688156][ T1161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffe270
[   41.688450][ T1161] RBP: ff1100000c601000 R08: 1fe2200001bffc4f R09: ff11000004f2ae80
[   41.688657][ T1161] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   41.688951][ T1161] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.689160][ T1161] FS:  00007f97131c8840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   41.689499][ T1161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.689672][ T1161] CR2: 0000000002bca988 CR3: 0000000010658005 CR4: 0000000000771ef0
[   41.689875][ T1161] PKRU: 55555554
[   41.689979][ T1161] Call Trace:
[   41.690082][ T1161]  <TASK>
[   41.690162][ T1161]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.690306][ T1161]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.690506][ T1161]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   41.690645][ T1161]  __dev_notify_flags (net/core/dev.c:9787)
[   41.690790][ T1161]  ? netif_change_name (net/core/dev.c:1495)
[   41.690926][ T1161]  ? __dev_change_flags (net/core/dev.c:9752)
[   41.691137][ T1161]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.691276][ T1161]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.691478][ T1161]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   41.691616][ T1161]  netif_change_flags (net/core/dev.c:9820)
[   41.691752][ T1161]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   41.691891][ T1161]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.692029][ T1161]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.692204][ T1161]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.692416][ T1161]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.692553][ T1161]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.692688][ T1161]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.692825][ T1161]  ? __kernel_text_address (kernel/extable.c:79)
[   41.692963][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.693105][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.693241][ T1161]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.693401][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.693539][ T1161]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.693676][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.693813][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.693951][ T1161]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.694095][ T1161]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   41.694238][ T1161]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.694392][ T1161]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.694533][ T1161]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.694675][ T1161]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.694824][ T1161]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.694976][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.695118][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.695262][ T1161]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.695417][ T1161]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.695558][ T1161]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.695700][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.695838][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.695980][ T1161]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.696122][ T1161]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.696269][ T1161]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.696428][ T1161]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.696567][ T1161]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.696712][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.696858][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.697005][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.697145][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.697283][ T1161]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.697435][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.697578][ T1161]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.697721][ T1161]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.697864][ T1161]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.698009][ T1161]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.698152][ T1161]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.698290][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.698452][ T1161]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.698594][ T1161]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.698735][ T1161]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.698884][ T1161]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.699025][ T1161]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.699164][ T1161]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.699347][ T1161]  ? move_addr_to_kernel (net/socket.c:258)
[   41.699488][ T1161]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.699628][ T1161]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.699768][ T1161]  ___sys_sendmsg (net/socket.c:2752)
[   41.699906][ T1161]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.700084][ T1161]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.700236][ T1161]  __sys_sendmsg (net/socket.c:2784)
[   41.700388][ T1161]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.700530][ T1161]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.700707][ T1161]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.700844][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.700990][ T1161]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.701128][ T1161]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.701272][ T1161]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.701422][ T1161]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.701601][ T1161] RIP: 0033:0x7f971340208e
[   41.701750][ T1161] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.702251][ T1161] RSP: 002b:00007fff2de92b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.702476][ T1161] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f971340208e
[   41.702680][ T1161] RDX: 0000000000000000 RSI: 00007fff2de92bc0 RDI: 0000000000000005
[   41.702891][ T1161] RBP: 00007fff2de92b20 R08: 0000000000000000 R09: 0000000000000000
[   41.703106][ T1161] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf7f
[   41.703313][ T1161] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2de93290
| [   42.208193][ T1183] ------------[ cut here ]------------
| [   42.208426][ T1183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1183
| [   42.208712][ T1183] Modules linked in: netdevsim
| [   42.209148][ T1183] Tainted: [W]=WARN
[   42.209254][ T1183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.209697][ T1183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.209878][ T1183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.210394][ T1183] RSP: 0018:ffa0000002df7010 EFLAGS: 00010286
[   42.210568][ T1183] RAX: 00000000ffffffa6 RBX: ff11000004e1c4c0 RCX: 1ff40000005bedc8
[   42.210775][ T1183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c570
[   42.210981][ T1183] RBP: ff11000008321000 R08: 1fe22000009c38af R09: ff1100000904d180
[   42.211184][ T1183] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   42.211403][ T1183] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002df7100
[   42.211614][ T1183] FS:  00007f31fd5ca840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   42.211860][ T1183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.212036][ T1183] CR2: 000000001cfc5988 CR3: 0000000009ddb002 CR4: 0000000000771ef0
[   42.212245][ T1183] PKRU: 55555554
[   42.212357][ T1183] Call Trace:
[   42.212464][ T1183]  <TASK>
[   42.212536][ T1183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.212677][ T1183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.212783][ T1183]  netif_close_many (net/core/dev.c:1804)
[   42.212927][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.213067][ T1183]  ? __dev_close_many (net/core/dev.c:1781)
[   42.213223][ T1183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.213376][ T1183]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   42.213520][ T1183]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.213664][ T1183]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   42.213840][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.213979][ T1183]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.214150][ T1183]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.214290][ T1183]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.214463][ T1183]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   42.214638][ T1183]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   42.214774][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.214912][ T1183]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   42.215051][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.215194][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.215349][ T1183]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.215516][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.215690][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.215853][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.215993][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.216131][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.216269][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.216419][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.216564][ T1183]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   42.216704][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.216869][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.217014][ T1183]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.217152][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.217292][ T1183]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.217441][ T1183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.217578][ T1183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.217713][ T1183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.217852][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.217993][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.218128][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.218264][ T1183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.218410][ T1183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.218545][ T1183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.218684][ T1183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.218836][ T1183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.218984][ T1183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.219123][ T1183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.219261][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.219409][ T1183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.219548][ T1183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.219687][ T1183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.219828][ T1183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.219966][ T1183]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.220103][ T1183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.220272][ T1183]  ? move_addr_to_kernel (net/socket.c:258)
[   42.220422][ T1183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.220560][ T1183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.220699][ T1183]  ___sys_sendmsg (net/socket.c:2752)
[   42.220834][ T1183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.221004][ T1183]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.221159][ T1183]  __sys_sendmsg (net/socket.c:2784)
[   42.221299][ T1183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.221445][ T1183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.221630][ T1183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.221770][ T1183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.221936][ T1183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.222079][ T1183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.222216][ T1183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.222364][ T1183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.222533][ T1183] RIP: 0033:0x7f31fd80408e
[   42.222684][ T1183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.223193][ T1183] RSP: 002b:00007ffdd474a150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.223419][ T1183] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f31fd80408e
[   42.223629][ T1183] RDX: 0000000000000000 RSI: 00007ffdd474a200 RDI: 0000000000000005
[   42.223834][ T1183] RBP: 00007ffdd474a160 R08: 0000000000000000 R09: 0000000000000000
[   42.224043][ T1183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.224249][ T1183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd474a8d0
| [   42.227047][ T1183] ------------[ cut here ]------------
| [   42.227186][ T1183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1183
| [   42.227855][ T1183] Modules linked in: netdevsim
| [   42.228262][ T1183] Tainted: [W]=WARN
[   42.228383][ T1183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.228545][ T1183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.228713][ T1183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.229177][ T1183] RSP: 0018:ffa0000002df7190 EFLAGS: 00010286
[   42.229353][ T1183] RAX: 00000000ffffffa6 RBX: ff1100000ed6e1c0 RCX: 1ff40000005bedf8
[   42.229551][ T1183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6e270
[   42.229746][ T1183] RBP: ff11000008321000 R08: 1fe2200001dadc4f R09: ff1100000904d158
[   42.229939][ T1183] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   42.230134][ T1183] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   42.230356][ T1183] FS:  00007f31fd5ca840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   42.230583][ T1183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.230750][ T1183] CR2: 000000001cfc5988 CR3: 0000000009ddb002 CR4: 0000000000771ef0
[   42.230944][ T1183] PKRU: 55555554
[   42.231041][ T1183] Call Trace:
[   42.231139][ T1183]  <TASK>
[   42.231206][ T1183]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   42.231383][ T1183]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.231544][ T1183]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.231673][ T1183]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.231800][ T1183]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   42.231962][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.232101][ T1183]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   42.232231][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.232372][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.232501][ T1183]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.232628][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.232757][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.232904][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.233038][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.233169][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.233299][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.233445][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.233576][ T1183]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   42.233706][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.233834][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.233968][ T1183]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.234100][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.234230][ T1183]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.234367][ T1183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.234499][ T1183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.234630][ T1183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.234757][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.234887][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.235017][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.235146][ T1183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.235272][ T1183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.235410][ T1183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.235541][ T1183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.235668][ T1183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.235797][ T1183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.235926][ T1183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.236058][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.236190][ T1183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.236324][ T1183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.236460][ T1183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.236592][ T1183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.236728][ T1183]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.236855][ T1183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.237056][ T1183]  ? move_addr_to_kernel (net/socket.c:258)
[   42.237186][ T1183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.237318][ T1183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.237454][ T1183]  ___sys_sendmsg (net/socket.c:2752)
[   42.237580][ T1183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.237739][ T1183]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.237876][ T1183]  __sys_sendmsg (net/socket.c:2784)
[   42.238009][ T1183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.238139][ T1183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.238312][ T1183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.238454][ T1183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.238582][ T1183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.238712][ T1183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.238888][ T1183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.239086][ T1183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.239313][ T1183] RIP: 0033:0x7f31fd80408e
[   42.239466][ T1183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.239917][ T1183] RSP: 002b:00007ffdd474a150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.240112][ T1183] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f31fd80408e
[   42.240310][ T1183] RDX: 0000000000000000 RSI: 00007ffdd474a200 RDI: 0000000000000005
[   42.240505][ T1183] RBP: 00007ffdd474a160 R08: 0000000000000000 R09: 0000000000000000
[   42.240695][ T1183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.240893][ T1183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd474a8d0
| [   42.296167][ T1184] ------------[ cut here ]------------
| [   42.296763][ T1184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1184
| [   42.297046][ T1184] Modules linked in: netdevsim
| [   42.297480][ T1184] Tainted: [W]=WARN
[   42.297588][ T1184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.297761][ T1184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.297939][ T1184] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.298431][ T1184] RSP: 0018:ffa0000002e07010 EFLAGS: 00010286
[   42.298604][ T1184] RAX: 00000000ffffffa6 RBX: ff1100000ed6fb40 RCX: 1ff40000005c0dc8
[   42.298809][ T1184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fbf0
[   42.299020][ T1184] RBP: ff11000002841000 R08: 1fe2200001dadf7f R09: ff1100000904ae80
[   42.299226][ T1184] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   42.299439][ T1184] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002e07100
[   42.299648][ T1184] FS:  00007f4f41640840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   42.299893][ T1184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.300066][ T1184] CR2: 00007f4f419101a0 CR3: 000000000dedb003 CR4: 0000000000771ef0
[   42.300272][ T1184] PKRU: 55555554
[   42.300388][ T1184] Call Trace:
[   42.300491][ T1184]  <TASK>
[   42.300562][ T1184]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.300700][ T1184]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.300803][ T1184]  netif_close_many (net/core/dev.c:1804)
[   42.300945][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.301083][ T1184]  ? __dev_close_many (net/core/dev.c:1781)
[   42.301218][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.301367][ T1184]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   42.301501][ T1184]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.301637][ T1184]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   42.301807][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.301945][ T1184]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.302115][ T1184]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.302249][ T1184]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.302394][ T1184]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   42.302563][ T1184]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   42.302697][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.302834][ T1184]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   42.302973][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.303115][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.303249][ T1184]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.303397][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.303532][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.303685][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.303822][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.303957][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.304094][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.304226][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.304374][ T1184]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   42.304512][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.304647][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.304781][ T1184]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.304918][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.305057][ T1184]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.305192][ T1184]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.305337][ T1184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.305472][ T1184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.305608][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.305746][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.305882][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.306020][ T1184]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.306160][ T1184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.306295][ T1184]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.306443][ T1184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.306579][ T1184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.306718][ T1184]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.306858][ T1184]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.306995][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.307134][ T1184]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.307273][ T1184]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.307422][ T1184]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.307565][ T1184]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.307703][ T1184]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.307844][ T1184]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.308015][ T1184]  ? move_addr_to_kernel (net/socket.c:258)
[   42.308154][ T1184]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.308291][ T1184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.308438][ T1184]  ___sys_sendmsg (net/socket.c:2752)
[   42.308574][ T1184]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.308741][ T1184]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.308889][ T1184]  __sys_sendmsg (net/socket.c:2784)
[   42.309027][ T1184]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.309161][ T1184]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.309343][ T1184]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.309483][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.309616][ T1184]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.309757][ T1184]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.309892][ T1184]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.310031][ T1184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.310204][ T1184] RIP: 0033:0x7f4f4187a08e
[   42.310362][ T1184] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.310840][ T1184] RSP: 002b:00007ffc87fa64a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.311048][ T1184] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4f4187a08e
[   42.311256][ T1184] RDX: 0000000000000000 RSI: 00007ffc87fa6550 RDI: 0000000000000005
[   42.311470][ T1184] RBP: 00007ffc87fa64b0 R08: 0000000000000000 R09: 0000000000000000
[   42.311675][ T1184] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.311880][ T1184] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc87fa6c20
| [   42.314657][ T1184] ------------[ cut here ]------------
| [   42.314797][ T1184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1184
| [   42.315051][ T1184] Modules linked in: netdevsim
| [   42.316125][ T1184] Tainted: [W]=WARN
[   42.316226][ T1184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.316452][ T1184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.316618][ T1184] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.317074][ T1184] RSP: 0018:ffa0000002e07190 EFLAGS: 00010286
[   42.317235][ T1184] RAX: 00000000ffffffa6 RBX: ff11000004ec0040 RCX: 1ff40000005c0df8
[   42.317501][ T1184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec00f0
[   42.317695][ T1184] RBP: ff11000002841000 R08: 1fe22000009d801f R09: ff1100000904ae58
[   42.317885][ T1184] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.318073][ T1184] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   42.318272][ T1184] FS:  00007f4f41640840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   42.318531][ T1184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.318691][ T1184] CR2: 00007f4f419101a0 CR3: 000000000dedb003 CR4: 0000000000771ef0
[   42.318884][ T1184] PKRU: 55555554
[   42.318985][ T1184] Call Trace:
[   42.319080][ T1184]  <TASK>
[   42.319146][ T1184]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   42.319311][ T1184]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.319475][ T1184]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.319604][ T1184]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.319732][ T1184]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   42.319894][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.320025][ T1184]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   42.320154][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.320281][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.320419][ T1184]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.320551][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.320679][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.320825][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.320952][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.321084][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.321215][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.321356][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.321486][ T1184]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   42.321618][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.321750][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.321878][ T1184]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.322009][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.322141][ T1184]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.322269][ T1184]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.322407][ T1184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.322534][ T1184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.322661][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.322792][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.322923][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.323056][ T1184]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.323187][ T1184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.323332][ T1184]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.323465][ T1184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.323597][ T1184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.323724][ T1184]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.323855][ T1184]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.323981][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.324111][ T1184]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.324245][ T1184]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.324385][ T1184]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.324522][ T1184]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.324655][ T1184]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.324782][ T1184]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.324939][ T1184]  ? move_addr_to_kernel (net/socket.c:258)
[   42.325067][ T1184]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.325195][ T1184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.325334][ T1184]  ___sys_sendmsg (net/socket.c:2752)
[   42.325461][ T1184]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.325620][ T1184]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.325760][ T1184]  __sys_sendmsg (net/socket.c:2784)
[   42.325886][ T1184]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.326016][ T1184]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.326180][ T1184]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.326312][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.326450][ T1184]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.326583][ T1184]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.326710][ T1184]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.326836][ T1184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.326998][ T1184] RIP: 0033:0x7f4f4187a08e
[   42.327130][ T1184] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.327586][ T1184] RSP: 002b:00007ffc87fa64a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.327779][ T1184] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4f4187a08e
[   42.327968][ T1184] RDX: 0000000000000000 RSI: 00007ffc87fa6550 RDI: 0000000000000005
[   42.328161][ T1184] RBP: 00007ffc87fa64b0 R08: 0000000000000000 R09: 0000000000000000
[   42.328365][ T1184] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.328555][ T1184] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc87fa6c20
| [   42.380243][ T1185] ------------[ cut here ]------------
| [   42.380435][ T1185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1185
| [   42.380726][ T1185] Modules linked in: netdevsim
| [   42.381166][ T1185] Tainted: [W]=WARN
[   42.381271][ T1185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.381458][ T1185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.381639][ T1185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.382134][ T1185] RSP: 0018:ffa0000002e17010 EFLAGS: 00010286
[   42.382319][ T1185] RAX: 00000000ffffffa6 RBX: ff11000004ec1b40 RCX: 1ff40000005c2dc8
[   42.382541][ T1185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1bf0
[   42.382749][ T1185] RBP: ff1100000c601000 R08: 1fe22000009d837f R09: ff1100000c6bae80
[   42.382959][ T1185] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   42.383165][ T1185] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002e17100
[   42.383409][ T1185] FS:  00007f43a4042840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   42.383653][ T1185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.383830][ T1185] CR2: 00007f43a43121a0 CR3: 00000000106ff005 CR4: 0000000000771ef0
[   42.384040][ T1185] PKRU: 55555554
[   42.384145][ T1185] Call Trace:
[   42.384248][ T1185]  <TASK>
[   42.384336][ T1185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.384482][ T1185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.384587][ T1185]  netif_close_many (net/core/dev.c:1804)
[   42.384725][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.384868][ T1185]  ? __dev_close_many (net/core/dev.c:1781)
[   42.385004][ T1185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.385141][ T1185]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   42.385278][ T1185]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.385490][ T1185]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   42.385721][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.385858][ T1185]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.386030][ T1185]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.386165][ T1185]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.386309][ T1185]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   42.386545][ T1185]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   42.386680][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.386820][ T1185]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   42.386954][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.387090][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.387228][ T1185]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.387428][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.387564][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.387724][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.387860][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.387997][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.388130][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.388271][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.388472][ T1185]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   42.388614][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.388750][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.388889][ T1185]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.389024][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.389160][ T1185]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.389295][ T1185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.389500][ T1185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.389637][ T1185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.389771][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.389910][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.390046][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.390184][ T1185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.390416][ T1185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.390553][ T1185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.390692][ T1185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.390828][ T1185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.390965][ T1185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.391104][ T1185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.391246][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.391477][ T1185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.391614][ T1185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.391750][ T1185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.391891][ T1185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.392029][ T1185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.392164][ T1185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.392434][ T1185]  ? move_addr_to_kernel (net/socket.c:258)
[   42.392572][ T1185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.392709][ T1185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.392849][ T1185]  ___sys_sendmsg (net/socket.c:2752)
[   42.392986][ T1185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.393159][ T1185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.393315][ T1185]  __sys_sendmsg (net/socket.c:2784)
[   42.393540][ T1185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.393683][ T1185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.393865][ T1185]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.394002][ T1185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.394141][ T1185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.394279][ T1185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.394510][ T1185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.394650][ T1185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.394819][ T1185] RIP: 0033:0x7f43a427c08e
[   42.394965][ T1185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.395527][ T1185] RSP: 002b:00007ffdd64c4c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.395740][ T1185] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f43a427c08e
[   42.395940][ T1185] RDX: 0000000000000000 RSI: 00007ffdd64c4d20 RDI: 0000000000000005
[   42.396147][ T1185] RBP: 00007ffdd64c4c80 R08: 0000000000000000 R09: 0000000000000000
[   42.396414][ T1185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.396624][ T1185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd64c53f0
| [   42.408891][ T1185] ------------[ cut here ]------------
| [   42.409115][ T1185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1185
| [   42.409507][ T1185] Modules linked in: netdevsim
| [   42.410084][ T1185] Tainted: [W]=WARN
[   42.410227][ T1185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.410484][ T1185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.410738][ T1185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.411397][ T1185] RSP: 0018:ffa0000002e17190 EFLAGS: 00010286
[   42.411642][ T1185] RAX: 00000000ffffffa6 RBX: ff1100000ed733c0 RCX: 1ff40000005c2df8
[   42.411920][ T1185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed73470
[   42.412196][ T1185] RBP: ff1100000c601000 R08: 1fe2200001dae68f R09: ff1100000c6bae58
[   42.412487][ T1185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   42.412769][ T1185] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   42.413056][ T1185] FS:  00007f43a4042840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   42.413397][ T1185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.413626][ T1185] CR2: 00007f8375e9d580 CR3: 00000000106ff002 CR4: 0000000000771ef0
[   42.413900][ T1185] PKRU: 55555554
[   42.414040][ T1185] Call Trace:
[   42.414180][ T1185]  <TASK>
[   42.414279][ T1185]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   42.414540][ T1185]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.414764][ T1185]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.414949][ T1185]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.415132][ T1185]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   42.415373][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.415561][ T1185]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   42.415740][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.415916][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.416096][ T1185]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.416276][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.416468][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.416674][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.416845][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.417018][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.417188][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.417378][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.417556][ T1185]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   42.417742][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.417925][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.418108][ T1185]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.418293][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.418488][ T1185]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   42.418676][ T1185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.418859][ T1185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.419041][ T1185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.419221][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.419416][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.419596][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.419784][ T1185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.419963][ T1185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.420150][ T1185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.420351][ T1185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.420531][ T1185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.420717][ T1185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.420900][ T1185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.421080][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.421266][ T1185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.421463][ T1185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.421647][ T1185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.421829][ T1185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.422004][ T1185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.422175][ T1185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.422433][ T1185]  ? move_addr_to_kernel (net/socket.c:258)
[   42.422615][ T1185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.422793][ T1185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.422980][ T1185]  ___sys_sendmsg (net/socket.c:2752)
[   42.423161][ T1185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.423402][ T1185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.423608][ T1185]  __sys_sendmsg (net/socket.c:2784)
[   42.423795][ T1185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.423976][ T1185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.424209][ T1185]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.424407][ T1185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.424590][ T1185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.424773][ T1185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.424958][ T1185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.425143][ T1185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.425375][ T1185] RIP: 0033:0x7f43a427c08e
[   42.425573][ T1185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.426235][ T1185] RSP: 002b:00007ffdd64c4c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.426529][ T1185] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f43a427c08e
[   42.426803][ T1185] RDX: 0000000000000000 RSI: 00007ffdd64c4d20 RDI: 0000000000000005
[   42.427085][ T1185] RBP: 00007ffdd64c4c80 R08: 0000000000000000 R09: 0000000000000000
[   42.427375][ T1185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.427651][ T1185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd64c53f0
| [   42.564156][ T1194] ------------[ cut here ]------------
| [   42.564449][ T1194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1194
| [   42.564896][ T1194] Modules linked in: netdevsim
| [   42.565598][ T1194] Tainted: [W]=WARN
[   42.565770][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.566047][ T1194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.566360][ T1194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.567146][ T1194] RSP: 0018:ffa0000002e771b0 EFLAGS: 00010286
[   42.567444][ T1194] RAX: 00000000ffffffa6 RBX: ff11000004f92640 RCX: 1ff40000005cedfc
[   42.567780][ T1194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f926f0
[   42.568107][ T1194] RBP: ff11000009c44000 R08: 1fe22000009f24df R09: ff1100000c270ba8
[   42.568451][ T1194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.568766][ T1194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   42.569069][ T1194] FS:  00007f9c8ff83840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   42.569466][ T1194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.569769][ T1194] CR2: 00000000004a77b8 CR3: 000000000f43f003 CR4: 0000000000771ef0
[   42.570105][ T1194] PKRU: 55555554
[   42.570272][ T1194] Call Trace:
[   42.570460][ T1194]  <TASK>
[   42.570578][ T1194]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.570800][ T1194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.571018][ T1194]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   42.571234][ T1194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.571417][ T1194]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   42.571643][ T1194]  __dev_notify_flags (net/core/dev.c:9787)
[   42.571869][ T1194]  ? netif_change_name (net/core/dev.c:1495)
[   42.572099][ T1194]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.572391][ T1194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   42.572613][ T1194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   42.572836][ T1194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   42.573055][ T1194]  ? __dev_get_by_name (net/core/dev.c:883)
[   42.573286][ T1194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   42.573539][ T1194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   42.573772][ T1194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   42.574000][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.574222][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.574464][ T1194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.574687][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.574909][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.575145][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.575385][ T1194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.575616][ T1194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.575845][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.576067][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.576291][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.576536][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.576762][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.576989][ T1194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.577210][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.577412][ T1194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.577632][ T1194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.577857][ T1194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.578083][ T1194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.578310][ T1194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.578547][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.578774][ T1194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.578998][ T1194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.579223][ T1194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.579460][ T1194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.579662][ T1194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.579864][ T1194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.580121][ T1194]  ? move_addr_to_kernel (net/socket.c:258)
[   42.580341][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.580549][ T1194]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   42.580758][ T1194]  ___sys_sendmsg (net/socket.c:2752)
[   42.580967][ T1194]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   42.581184][ T1194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.581424][ T1194]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   42.581650][ T1194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   42.581882][ T1194]  __sys_sendmsg (net/socket.c:2784)
[   42.582100][ T1194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.582338][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.582555][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.582774][ T1194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.582996][ T1194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.583213][ T1194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.583438][ T1194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.583715][ T1194] RIP: 0033:0x7f9c901bd08e
[   42.583930][ T1194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.584700][ T1194] RSP: 002b:00007fff8aa4ca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.585033][ T1194] RAX: ffffffffffffffda RBX: 00007fff8aa4d1e0 RCX: 00007f9c901bd08e
[   42.585368][ T1194] RDX: 0000000000000000 RSI: 00007fff8aa4cae0 RDI: 0000000000000005
[   42.585695][ T1194] RBP: 00007fff8aa4ca40 R08: 0000000000000000 R09: 0000000000000000
[   42.586017][ T1194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.586362][ T1194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8aa4d1b0
| [   42.626327][ T1195] ------------[ cut here ]------------
| [   42.626986][ T1195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1195
| [   42.627272][ T1195] Modules linked in: netdevsim
| [   42.627721][ T1195] Tainted: [W]=WARN
[   42.627833][ T1195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.628006][ T1195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.628188][ T1195] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.628700][ T1195] RSP: 0018:ffa0000002e87020 EFLAGS: 00010286
[   42.628880][ T1195] RAX: 00000000ffffffa6 RBX: ff11000004f92f40 RCX: 1ff40000005d0dca
[   42.629086][ T1195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92ff0
[   42.629287][ T1195] RBP: ff11000009c44000 R08: 1fe22000009f25ff R09: ff1100000c272e80
[   42.629503][ T1195] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   42.629711][ T1195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   42.629924][ T1195] FS:  00007f949b33f840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   42.630171][ T1195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.630357][ T1195] CR2: 0000000001a86988 CR3: 000000000f517002 CR4: 0000000000771ef0
[   42.630559][ T1195] PKRU: 55555554
[   42.630667][ T1195] Call Trace:
[   42.630770][ T1195]  <TASK>
[   42.630842][ T1195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.630980][ T1195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.631085][ T1195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   42.631222][ T1195]  __dev_notify_flags (net/core/dev.c:9787)
[   42.631388][ T1195]  ? netif_change_name (net/core/dev.c:1495)
[   42.631588][ T1195]  ? __dev_change_flags (net/core/dev.c:9752)
[   42.631787][ T1195]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   42.631989][ T1195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.632196][ T1195]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   42.632421][ T1195]  netif_change_flags (net/core/dev.c:9820)
[   42.632580][ T1195]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   42.632724][ T1195]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   42.632858][ T1195]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   42.633025][ T1195]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.633161][ T1195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.633296][ T1195]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.633441][ T1195]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.633580][ T1195]  ? __kernel_text_address (kernel/extable.c:79)
[   42.633717][ T1195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.633857][ T1195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.633991][ T1195]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.634128][ T1195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.634262][ T1195]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.634412][ T1195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.634545][ T1195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.634682][ T1195]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   42.634818][ T1195]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   42.634953][ T1195]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   42.635088][ T1195]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.635226][ T1195]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   42.635375][ T1195]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   42.635514][ T1195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   42.635655][ T1195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.635793][ T1195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.635944][ T1195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.636080][ T1195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.636214][ T1195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.636361][ T1195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.636500][ T1195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.636637][ T1195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.636775][ T1195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.636912][ T1195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.637046][ T1195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.637182][ T1195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.637324][ T1195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.637469][ T1195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.637606][ T1195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.637744][ T1195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.637886][ T1195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.638022][ T1195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.638161][ T1195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.638299][ T1195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.638444][ T1195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.638580][ T1195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.638726][ T1195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.638865][ T1195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.639007][ T1195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.639154][ T1195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.639290][ T1195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.639441][ T1195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.639577][ T1195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.639709][ T1195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.639880][ T1195]  ? move_addr_to_kernel (net/socket.c:258)
[   42.640016][ T1195]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.640150][ T1195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.640288][ T1195]  ___sys_sendmsg (net/socket.c:2752)
[   42.640435][ T1195]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.640604][ T1195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.640751][ T1195]  __sys_sendmsg (net/socket.c:2784)
[   42.640888][ T1195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.641028][ T1195]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.641201][ T1195]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.641346][ T1195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.641478][ T1195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.641613][ T1195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.641752][ T1195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.641887][ T1195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.642065][ T1195] RIP: 0033:0x7f949b57908e
[   42.642212][ T1195] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.642700][ T1195] RSP: 002b:00007ffd9e068650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.642909][ T1195] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f949b57908e
[   42.643121][ T1195] RDX: 0000000000000000 RSI: 00007ffd9e068700 RDI: 0000000000000005
[   42.643339][ T1195] RBP: 00007ffd9e068660 R08: 0000000000000000 R09: 0000000000000000
[   42.643545][ T1195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf80
[   42.643748][ T1195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e068dd0
| [   43.165913][ T1216] ------------[ cut here ]------------
| [   43.166177][ T1216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1216
| [   43.167205][ T1216] Modules linked in: netdevsim
| [   43.167895][ T1216] Tainted: [W]=WARN
[   43.168065][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.168341][ T1216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.168630][ T1216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.169410][ T1216] RSP: 0018:ffa0000002ec7010 EFLAGS: 00010286
[   43.169684][ T1216] RAX: 00000000ffffffa6 RBX: ff1100000dfff6c0 RCX: 1ff40000005d8dc8
[   43.170002][ T1216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff770
[   43.170339][ T1216] RBP: ff11000009c44000 R08: 1fe2200001bffeef R09: ff1100000ef42e80
[   43.170667][ T1216] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   43.170992][ T1216] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002ec7100
[   43.171333][ T1216] FS:  00007f4dd9364840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   43.171711][ T1216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.171977][ T1216] CR2: 0000000008437988 CR3: 0000000004c2b003 CR4: 0000000000771ef0
[   43.172299][ T1216] PKRU: 55555554
[   43.172474][ T1216] Call Trace:
[   43.172638][ T1216]  <TASK>
[   43.172751][ T1216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.172974][ T1216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.173142][ T1216]  netif_close_many (net/core/dev.c:1804)
[   43.173369][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.173578][ T1216]  ? __dev_close_many (net/core/dev.c:1781)
[   43.173801][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.174021][ T1216]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.174236][ T1216]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.174486][ T1216]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   43.174777][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.174992][ T1216]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.175252][ T1216]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.175478][ T1216]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.175689][ T1216]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.175960][ T1216]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.176176][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.176407][ T1216]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   43.176620][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.176827][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.177040][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   43.177250][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.177475][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.177725][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.177940][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.178151][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.178373][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.178582][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.178796][ T1216]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   43.179009][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.179218][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.179445][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   43.179659][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.179878][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   43.180091][ T1216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   43.180304][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.180531][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.180748][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.180965][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.181183][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.181411][ T1216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   43.181626][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.181842][ T1216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.182059][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   43.182267][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   43.182493][ T1216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.182705][ T1216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.182913][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.183125][ T1216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   43.183348][ T1216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   43.183566][ T1216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   43.183785][ T1216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   43.184003][ T1216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   43.184212][ T1216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   43.184491][ T1216]  ? move_addr_to_kernel (net/socket.c:258)
[   43.184703][ T1216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.184916][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.185131][ T1216]  ___sys_sendmsg (net/socket.c:2752)
[   43.185350][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   43.185613][ T1216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   43.185851][ T1216]  __sys_sendmsg (net/socket.c:2784)
[   43.186068][ T1216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   43.186279][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   43.186564][ T1216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.186778][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.186983][ T1216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.187195][ T1216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.187433][ T1216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.187647][ T1216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.187903][ T1216] RIP: 0033:0x7f4dd959e08e
[   43.188124][ T1216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.188878][ T1216] RSP: 002b:00007ffc355ae2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.189204][ T1216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4dd959e08e
[   43.189536][ T1216] RDX: 0000000000000000 RSI: 00007ffc355ae380 RDI: 0000000000000005
[   43.189855][ T1216] RBP: 00007ffc355ae2e0 R08: 0000000000000000 R09: 0000000000000000
[   43.190171][ T1216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf81
[   43.190508][ T1216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc355aea50
| [   43.195577][ T1216] ------------[ cut here ]------------
| [   43.195779][ T1216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1216
| [   43.196304][ T1216] Modules linked in: netdevsim
| [   43.196925][ T1216] Tainted: [W]=WARN
[   43.197212][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.197496][ T1216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.197760][ T1216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.198629][ T1216] RSP: 0018:ffa0000002ec7190 EFLAGS: 00010286
[   43.198880][ T1216] RAX: 00000000ffffffa6 RBX: ff11000004e1d240 RCX: 1ff40000005d8df8
[   43.199352][ T1216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1d2f0
[   43.199651][ T1216] RBP: ff11000009c44000 R08: 1fe22000009c3a5f R09: ff1100000ef42e58
[   43.200096][ T1216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.200400][ T1216] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.200702][ T1216] FS:  00007f4dd9364840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   43.201199][ T1216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.201455][ T1216] CR2: 0000000008437988 CR3: 0000000004c2b003 CR4: 0000000000771ef0
[   43.201753][ T1216] PKRU: 55555554
[   43.202045][ T1216] Call Trace:
[   43.202191][ T1216]  <TASK>
[   43.202299][ T1216]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.202664][ T1216]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.202909][ T1216]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.203108][ T1216]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.203305][ T1216]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.203680][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.203881][ T1216]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   43.204084][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.204287][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.204923][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   43.205121][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.205318][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.205668][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.205866][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.206064][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.206265][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.206791][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.206993][ T1216]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   43.207198][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.207512][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.207713][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   43.207908][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.208117][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   43.208555][ T1216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   43.208755][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.208949][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.209149][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.209456][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.209652][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.209853][ T1216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   43.210055][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.210252][ T1216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.210691][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   43.210889][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   43.211091][ T1216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.211291][ T1216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.211583][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.211787][ T1216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   43.211986][ T1216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   43.212184][ T1216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   43.212481][ T1216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   43.212678][ T1216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   43.212870][ T1216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   43.213116][ T1216]  ? move_addr_to_kernel (net/socket.c:258)
[   43.213548][ T1216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.213751][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.213951][ T1216]  ___sys_sendmsg (net/socket.c:2752)
[   43.214146][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   43.214488][ T1216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   43.214707][ T1216]  __sys_sendmsg (net/socket.c:2784)
[   43.214903][ T1216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   43.215098][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   43.215600][ T1216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.215802][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.216008][ T1216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.216208][ T1216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.216506][ T1216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.216703][ T1216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.216944][ T1216] RIP: 0033:0x7f4dd959e08e
[   43.217153][ T1216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.218116][ T1216] RSP: 002b:00007ffc355ae2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.218515][ T1216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4dd959e08e
[   43.218815][ T1216] RDX: 0000000000000000 RSI: 00007ffc355ae380 RDI: 0000000000000005
[   43.219108][ T1216] RBP: 00007ffc355ae2e0 R08: 0000000000000000 R09: 0000000000000000
[   43.219506][ T1216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf81
[   43.219801][ T1216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc355aea50
| [   43.358838][ T1225] ------------[ cut here ]------------
| [   43.359090][ T1225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1225
| [   43.359551][ T1225] Modules linked in: netdevsim
| [   43.360219][ T1225] Tainted: [W]=WARN
[   43.360398][ T1225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.360677][ T1225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.360968][ T1225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.361762][ T1225] RSP: 0018:ffa0000002f471b0 EFLAGS: 00010286
[   43.362039][ T1225] RAX: 00000000ffffffa6 RBX: ff1100000ed6e340 RCX: 1ff40000005e8dfc
[   43.362382][ T1225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6e3f0
[   43.362714][ T1225] RBP: ff1100000f424000 R08: 1fe2200001dadc7f R09: ff1100000f42aea8
[   43.363038][ T1225] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.363386][ T1225] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   43.363717][ T1225] FS:  00007f1b5bc22840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   43.364105][ T1225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.364393][ T1225] CR2: 00000000004a77b8 CR3: 000000000f547003 CR4: 0000000000771ef0
[   43.364723][ T1225] PKRU: 55555554
[   43.364887][ T1225] Call Trace:
[   43.365051][ T1225]  <TASK>
[   43.365168][ T1225]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.365402][ T1225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.365618][ T1225]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   43.365833][ T1225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.365997][ T1225]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   43.366215][ T1225]  __dev_notify_flags (net/core/dev.c:9787)
[   43.366452][ T1225]  ? netif_change_name (net/core/dev.c:1495)
[   43.366677][ T1225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   43.366946][ T1225]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   43.367171][ T1225]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   43.367406][ T1225]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   43.367621][ T1225]  ? __dev_get_by_name (net/core/dev.c:883)
[   43.367834][ T1225]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   43.368057][ T1225]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   43.368285][ T1225]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   43.368515][ T1225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.368734][ T1225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.368953][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.369168][ T1225]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.369396][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.369622][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.369839][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.370053][ T1225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   43.370267][ T1225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.370498][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.370715][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.370936][ T1225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.371153][ T1225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.371385][ T1225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   43.371608][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.371841][ T1225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.372065][ T1225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   43.372283][ T1225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   43.372514][ T1225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.372729][ T1225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.372940][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.373155][ T1225]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   43.373385][ T1225]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   43.373606][ T1225]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   43.373829][ T1225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   43.374046][ T1225]  ? copy_msghdr_from_user (net/socket.c:2635)
[   43.374262][ T1225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   43.374543][ T1225]  ? move_addr_to_kernel (net/socket.c:258)
[   43.374761][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.374982][ T1225]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   43.375199][ T1225]  ___sys_sendmsg (net/socket.c:2752)
[   43.375424][ T1225]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   43.375642][ T1225]  ? copy_msghdr_from_user (net/socket.c:2603)
[   43.375870][ T1225]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   43.376093][ T1225]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   43.376318][ T1225]  __sys_sendmsg (net/socket.c:2784)
[   43.376539][ T1225]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   43.376762][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.376973][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.377192][ T1225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.377423][ T1225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.377637][ T1225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.377853][ T1225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.378122][ T1225] RIP: 0033:0x7f1b5be5c08e
[   43.378367][ T1225] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.379140][ T1225] RSP: 002b:00007fff5a13a3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.379484][ T1225] RAX: ffffffffffffffda RBX: 00007fff5a13ab60 RCX: 00007f1b5be5c08e
[   43.379810][ T1225] RDX: 0000000000000000 RSI: 00007fff5a13a460 RDI: 0000000000000005
[   43.380135][ T1225] RBP: 00007fff5a13a3c0 R08: 0000000000000000 R09: 0000000000000000
[   43.380471][ T1225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf81
[   43.380788][ T1225] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5a13ab30
| [   43.423431][ T1226] ------------[ cut here ]------------
| [   43.423703][ T1226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1226
| [   43.424134][ T1226] Modules linked in: netdevsim
| [   43.424902][ T1226] Tainted: [W]=WARN
[   43.425062][ T1226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.425502][ T1226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.425787][ T1226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.426704][ T1226] RSP: 0018:ffa0000002f57020 EFLAGS: 00010286
[   43.426981][ T1226] RAX: 00000000ffffffa6 RBX: ff11000004f93540 RCX: 1ff40000005eadca
[   43.427295][ T1226] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f935f0
[   43.427765][ T1226] RBP: ff1100000f424000 R08: 1fe22000009f26bf R09: ff1100000c295180
[   43.428087][ T1226] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   43.428576][ T1226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   43.428905][ T1226] FS:  00007fba73cd6840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   43.429284][ T1226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.429645][ T1226] CR2: 000000002c4c2988 CR3: 0000000004c9c005 CR4: 0000000000771ef0
[   43.429960][ T1226] PKRU: 55555554
[   43.430121][ T1226] Call Trace:
[   43.430287][ T1226]  <TASK>
[   43.430418][ T1226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.430638][ T1226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.430797][ T1226]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   43.431008][ T1226]  __dev_notify_flags (net/core/dev.c:9787)
[   43.431222][ T1226]  ? netif_change_name (net/core/dev.c:1495)
[   43.431450][ T1226]  ? __dev_change_flags (net/core/dev.c:9752)
[   43.431658][ T1226]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   43.431872][ T1226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.432088][ T1226]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   43.432305][ T1226]  netif_change_flags (net/core/dev.c:9820)
[   43.432533][ T1226]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   43.432749][ T1226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   43.432964][ T1226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   43.433233][ T1226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.433437][ T1226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.433646][ T1226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.433854][ T1226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.434069][ T1226]  ? __kernel_text_address (kernel/extable.c:79)
[   43.434285][ T1226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.434512][ T1226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.434726][ T1226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   43.434932][ T1226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.435140][ T1226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.435367][ T1226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.435578][ T1226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.435788][ T1226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   43.435999][ T1226]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   43.436211][ T1226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   43.436436][ T1226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   43.436645][ T1226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   43.436850][ T1226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   43.437067][ T1226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   43.437283][ T1226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.437505][ T1226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.437715][ T1226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.437924][ T1226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.438139][ T1226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.438368][ T1226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.438583][ T1226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.438796][ T1226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.439008][ T1226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.439217][ T1226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.439436][ T1226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   43.439643][ T1226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.439852][ T1226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.440061][ T1226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.440276][ T1226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.440505][ T1226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.440722][ T1226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   43.440935][ T1226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.441146][ T1226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.441383][ T1226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   43.441597][ T1226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   43.441814][ T1226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.442024][ T1226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.442233][ T1226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.442462][ T1226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   43.442671][ T1226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   43.442883][ T1226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   43.443099][ T1226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   43.443316][ T1226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   43.443538][ T1226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   43.443797][ T1226]  ? move_addr_to_kernel (net/socket.c:258)
[   43.444011][ T1226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.444223][ T1226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.444457][ T1226]  ___sys_sendmsg (net/socket.c:2752)
[   43.444669][ T1226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   43.444935][ T1226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   43.445174][ T1226]  __sys_sendmsg (net/socket.c:2784)
[   43.445407][ T1226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   43.445607][ T1226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   43.445880][ T1226]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.446092][ T1226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.446301][ T1226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.446520][ T1226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.446729][ T1226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.446939][ T1226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.447199][ T1226] RIP: 0033:0x7fba73f1008e
[   43.447431][ T1226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.448179][ T1226] RSP: 002b:00007ffd7e0b9740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.448517][ T1226] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fba73f1008e
[   43.448840][ T1226] RDX: 0000000000000000 RSI: 00007ffd7e0b97f0 RDI: 0000000000000005
[   43.449159][ T1226] RBP: 00007ffd7e0b9750 R08: 0000000000000000 R09: 0000000000000000
[   43.449497][ T1226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf81
[   43.449820][ T1226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7e0b9ec0
| [   44.030421][ T1247] ------------[ cut here ]------------
| [   44.030695][ T1247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1247
| [   44.031117][ T1247] Modules linked in: netdevsim
| [   44.032606][ T1247] Tainted: [W]=WARN
[   44.032772][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.033047][ T1247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.033344][ T1247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.034106][ T1247] RSP: 0018:ffa0000002fc7010 EFLAGS: 00010286
[   44.034396][ T1247] RAX: 00000000ffffffa6 RBX: ff1100000ed6f9c0 RCX: 1ff40000005f8dc8
[   44.034717][ T1247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fa70
[   44.035038][ T1247] RBP: ff1100000f424000 R08: 1fe2200001dadf4f R09: ff1100000ccb5180
[   44.035371][ T1247] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   44.035698][ T1247] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002fc7100
[   44.036026][ T1247] FS:  00007facd76de840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   44.036424][ T1247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.036705][ T1247] CR2: 000000002ffe8988 CR3: 0000000005c8f004 CR4: 0000000000771ef0
[   44.037023][ T1247] PKRU: 55555554
[   44.037181][ T1247] Call Trace:
[   44.037353][ T1247]  <TASK>
[   44.037465][ T1247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.037689][ T1247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.037859][ T1247]  netif_close_many (net/core/dev.c:1804)
[   44.038075][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.038294][ T1247]  ? __dev_close_many (net/core/dev.c:1781)
[   44.038527][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.038749][ T1247]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   44.038958][ T1247]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.039175][ T1247]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   44.040162][ T1247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.040394][ T1247]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   44.040663][ T1247]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.040872][ T1247]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.041077][ T1247]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   44.041378][ T1247]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   44.041595][ T1247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.041813][ T1247]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   44.042028][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.042240][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.042468][ T1247]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   44.042684][ T1247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.042899][ T1247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.043154][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.043391][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.043608][ T1247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.043819][ T1247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.044034][ T1247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.044250][ T1247]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   44.044484][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.044698][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.044912][ T1247]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   44.045128][ T1247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.045372][ T1247]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   44.045594][ T1247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.045810][ T1247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.046025][ T1247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.046241][ T1247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.046477][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.046695][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.046911][ T1247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.047131][ T1247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.047363][ T1247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.047587][ T1247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.047803][ T1247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.048023][ T1247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.048243][ T1247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.048475][ T1247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.048692][ T1247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.048906][ T1247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.049120][ T1247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.049356][ T1247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.049571][ T1247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.049789][ T1247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.050057][ T1247]  ? move_addr_to_kernel (net/socket.c:258)
[   44.050272][ T1247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.050505][ T1247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.050723][ T1247]  ___sys_sendmsg (net/socket.c:2752)
[   44.050937][ T1247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.051210][ T1247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.051463][ T1247]  __sys_sendmsg (net/socket.c:2784)
[   44.051678][ T1247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.051893][ T1247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.052166][ T1247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.052397][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.052615][ T1247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.052831][ T1247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.053042][ T1247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.053266][ T1247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.053547][ T1247] RIP: 0033:0x7facd791808e
[   44.053776][ T1247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.054558][ T1247] RSP: 002b:00007fff00186590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.054890][ T1247] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007facd791808e
[   44.055220][ T1247] RDX: 0000000000000000 RSI: 00007fff00186640 RDI: 0000000000000005
[   44.055555][ T1247] RBP: 00007fff001865a0 R08: 0000000000000000 R09: 0000000000000000
[   44.055869][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf82
[   44.056169][ T1247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff00186d10
| [   44.061206][ T1247] ------------[ cut here ]------------
| [   44.061441][ T1247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1247
| [   44.061838][ T1247] Modules linked in: netdevsim
| [   44.062480][ T1247] Tainted: [W]=WARN
[   44.062636][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.062891][ T1247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.063159][ T1247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.063916][ T1247] RSP: 0018:ffa0000002fc7190 EFLAGS: 00010286
[   44.064177][ T1247] RAX: 00000000ffffffa6 RBX: ff11000004ec0c40 RCX: 1ff40000005f8df8
[   44.064646][ T1247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0cf0
[   44.064954][ T1247] RBP: ff1100000f424000 R08: 1fe22000009d819f R09: ff1100000ccb5158
[   44.065254][ T1247] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.065743][ T1247] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   44.066049][ T1247] FS:  00007facd76de840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   44.066515][ T1247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.066867][ T1247] CR2: 000000002ffe8988 CR3: 0000000005c8f004 CR4: 0000000000771ef0
[   44.067174][ T1247] PKRU: 55555554
[   44.067431][ T1247] Call Trace:
[   44.067582][ T1247]  <TASK>
[   44.067688][ T1247]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.067939][ T1247]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   44.068203][ T1247]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.068507][ T1247]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.068706][ T1247]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   44.068955][ T1247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.069162][ T1247]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   44.069469][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.069668][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.069871][ T1247]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   44.070075][ T1247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.070274][ T1247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.070614][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.070819][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.071023][ T1247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.071223][ T1247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.071525][ T1247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.071729][ T1247]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   44.071934][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.072145][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.072456][ T1247]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   44.072658][ T1247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.072863][ T1247]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   44.073066][ T1247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.073269][ T1247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.073573][ T1247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.073774][ T1247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.073983][ T1247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.074193][ T1247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.074499][ T1247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.074697][ T1247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.074906][ T1247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.075116][ T1247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.075324][ T1247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.075628][ T1247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.075835][ T1247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.076034][ T1247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.076241][ T1247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.076561][ T1247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.076766][ T1247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.076972][ T1247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.077173][ T1247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.077474][ T1247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.077723][ T1247]  ? move_addr_to_kernel (net/socket.c:258)
[   44.077924][ T1247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.078126][ T1247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.078441][ T1247]  ___sys_sendmsg (net/socket.c:2752)
[   44.078643][ T1247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.078903][ T1247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.079133][ T1247]  __sys_sendmsg (net/socket.c:2784)
[   44.079454][ T1247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.079654][ T1247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.079914][ T1247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.080117][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.080320][ T1247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.080620][ T1247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.080820][ T1247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.081026][ T1247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.081275][ T1247] RIP: 0033:0x7facd791808e
[   44.081592][ T1247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.082321][ T1247] RSP: 002b:00007fff00186590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.082715][ T1247] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007facd791808e
[   44.083016][ T1247] RDX: 0000000000000000 RSI: 00007fff00186640 RDI: 0000000000000005
[   44.083427][ T1247] RBP: 00007fff001865a0 R08: 0000000000000000 R09: 0000000000000000
[   44.083725][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf82
[   44.084024][ T1247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff00186d10
| [   44.248916][ T1257] ------------[ cut here ]------------
| [   44.249184][ T1257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1257
| [   44.249653][ T1257] Modules linked in: netdevsim
| [   44.250335][ T1257] Tainted: [W]=WARN
[   44.250506][ T1257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.250782][ T1257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.251076][ T1257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.252185][ T1257] RSP: 0018:ffa00000030571b0 EFLAGS: 00010286
[   44.252640][ T1257] RAX: 00000000ffffffa6 RBX: ff11000004ec0040 RCX: 1ff400000060adfc
[   44.252971][ T1257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec00f0
[   44.253302][ T1257] RBP: ff11000009d9c000 R08: 1fe22000009d801f R09: ff110000107fd1a8
[   44.253738][ T1257] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.254107][ T1257] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.254451][ T1257] FS:  00007f955f7f5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   44.254837][ T1257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.255118][ T1257] CR2: 00000000004a77b8 CR3: 000000000c79a005 CR4: 0000000000771ef0
[   44.255458][ T1257] PKRU: 55555554
[   44.255624][ T1257] Call Trace:
[   44.255790][ T1257]  <TASK>
[   44.255907][ T1257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.256132][ T1257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.256370][ T1257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.256591][ T1257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.256761][ T1257]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   44.256980][ T1257]  __dev_notify_flags (net/core/dev.c:9787)
[   44.257202][ T1257]  ? netif_change_name (net/core/dev.c:1495)
[   44.257444][ T1257]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.257719][ T1257]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   44.257941][ T1257]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   44.258173][ T1257]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   44.258408][ T1257]  ? __dev_get_by_name (net/core/dev.c:883)
[   44.258627][ T1257]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   44.258857][ T1257]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   44.259090][ T1257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.259320][ T1257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.259547][ T1257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.259765][ T1257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.259991][ T1257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.260190][ T1257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.260393][ T1257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.260578][ T1257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.260758][ T1257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.260958][ T1257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.261175][ T1257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.261409][ T1257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.261638][ T1257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.261856][ T1257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.262078][ T1257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.262297][ T1257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.262532][ T1257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.262760][ T1257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.262981][ T1257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.263207][ T1257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.263442][ T1257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.263660][ T1257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.263886][ T1257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.264109][ T1257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.264340][ T1257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.264558][ T1257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.264780][ T1257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.265006][ T1257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.265278][ T1257]  ? move_addr_to_kernel (net/socket.c:258)
[   44.265517][ T1257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.265739][ T1257]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   44.265961][ T1257]  ___sys_sendmsg (net/socket.c:2752)
[   44.266175][ T1257]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   44.266396][ T1257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.266626][ T1257]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   44.266856][ T1257]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   44.267084][ T1257]  __sys_sendmsg (net/socket.c:2784)
[   44.267304][ T1257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.267548][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.267769][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.267996][ T1257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.268212][ T1257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.268443][ T1257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.268658][ T1257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.268929][ T1257] RIP: 0033:0x7f955fa2f08e
[   44.269163][ T1257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.269963][ T1257] RSP: 002b:00007ffcb1fc83c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.270297][ T1257] RAX: ffffffffffffffda RBX: 00007ffcb1fc8b70 RCX: 00007f955fa2f08e
[   44.270636][ T1257] RDX: 0000000000000000 RSI: 00007ffcb1fc8470 RDI: 0000000000000005
[   44.270962][ T1257] RBP: 00007ffcb1fc83d0 R08: 0000000000000000 R09: 0000000000000000
[   44.271296][ T1257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf82
[   44.271644][ T1257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb1fc8b40
| [   44.321588][ T1258] ------------[ cut here ]------------
| [   44.321839][ T1258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1258
| [   44.322274][ T1258] Modules linked in: netdevsim
| [   44.323560][ T1258] Tainted: [W]=WARN
[   44.323724][ T1258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.323988][ T1258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.324271][ T1258] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.325041][ T1258] RSP: 0018:ffa0000003067020 EFLAGS: 00010286
[   44.325317][ T1258] RAX: 00000000ffffffa6 RBX: ff1100000ed72340 RCX: 1ff400000060cdca
[   44.325647][ T1258] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed723f0
[   44.325969][ T1258] RBP: ff11000009d9c000 R08: 1fe2200001dae47f R09: ff1100000f4cd180
[   44.326290][ T1258] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   44.326648][ T1258] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.326966][ T1258] FS:  00007f9a66fb2840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   44.327350][ T1258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.327609][ T1258] CR2: 00007f9a672821a0 CR3: 000000000c327002 CR4: 0000000000771ef0
[   44.327917][ T1258] PKRU: 55555554
[   44.328077][ T1258] Call Trace:
[   44.328236][ T1258]  <TASK>
[   44.328357][ T1258]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   44.328586][ T1258]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.328811][ T1258]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.328978][ T1258]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.329192][ T1258]  __dev_notify_flags (net/core/dev.c:9787)
[   44.329421][ T1258]  ? netif_change_name (net/core/dev.c:1495)
[   44.329632][ T1258]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.329844][ T1258]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.330053][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.330266][ T1258]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   44.330502][ T1258]  netif_change_flags (net/core/dev.c:9820)
[   44.330718][ T1258]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.330939][ T1258]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.331156][ T1258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.331440][ T1258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.331650][ T1258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.331864][ T1258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.332074][ T1258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.332290][ T1258]  ? __kernel_text_address (kernel/extable.c:79)
[   44.332524][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.332746][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.332962][ T1258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.333176][ T1258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.333404][ T1258]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.333620][ T1258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.333840][ T1258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.334057][ T1258]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.334273][ T1258]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   44.334503][ T1258]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.334725][ T1258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.334947][ T1258]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.335167][ T1258]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.335399][ T1258]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.335617][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.335832][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.336052][ T1258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.336274][ T1258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.336511][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.336739][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.336962][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.337176][ T1258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.337401][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.337620][ T1258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.337843][ T1258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.338066][ T1258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.338284][ T1258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.338515][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.338737][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.338947][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.339162][ T1258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.339390][ T1258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.339609][ T1258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.339831][ T1258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.340044][ T1258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.340263][ T1258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.340494][ T1258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.340712][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.340930][ T1258]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.341149][ T1258]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.341386][ T1258]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.341604][ T1258]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.341815][ T1258]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.342033][ T1258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.342308][ T1258]  ? move_addr_to_kernel (net/socket.c:258)
[   44.342549][ T1258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.342764][ T1258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.342986][ T1258]  ___sys_sendmsg (net/socket.c:2752)
[   44.343202][ T1258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.343488][ T1258]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.343730][ T1258]  __sys_sendmsg (net/socket.c:2784)
[   44.343940][ T1258]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.344151][ T1258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.344440][ T1258]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.344660][ T1258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.344877][ T1258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.345092][ T1258]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.345311][ T1258]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.345543][ T1258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.345813][ T1258] RIP: 0033:0x7f9a671ec08e
[   44.346041][ T1258] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.346814][ T1258] RSP: 002b:00007ffc152555f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.347149][ T1258] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9a671ec08e
[   44.347488][ T1258] RDX: 0000000000000000 RSI: 00007ffc152556a0 RDI: 0000000000000005
[   44.347808][ T1258] RBP: 00007ffc15255600 R08: 0000000000000000 R09: 0000000000000000
[   44.348127][ T1258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf82
[   44.348459][ T1258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc15255d70
| [   44.398165][ T1259] ------------[ cut here ]------------
| [   44.398438][ T1259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1259
| [   44.398876][ T1259] Modules linked in: netdevsim
| [   44.399565][ T1259] Tainted: [W]=WARN
[   44.399731][ T1259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.400009][ T1259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.400291][ T1259] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.401084][ T1259] RSP: 0018:ffa00000030771b0 EFLAGS: 00010286
[   44.401376][ T1259] RAX: 00000000ffffffa6 RBX: ff11000004f93e40 RCX: 1ff400000060edfc
[   44.401702][ T1259] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93ef0
[   44.402025][ T1259] RBP: ff11000007a51000 R08: 1fe22000009f27df R09: ff110000107351a8
[   44.402372][ T1259] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.402703][ T1259] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.403032][ T1259] FS:  00007f582c814840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   44.403431][ T1259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.403699][ T1259] CR2: 00000000004a77b8 CR3: 000000000cc2a004 CR4: 0000000000771ef0
[   44.404030][ T1259] PKRU: 55555554
[   44.404196][ T1259] Call Trace:
[   44.404375][ T1259]  <TASK>
[   44.404489][ T1259]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.404708][ T1259]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.404929][ T1259]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.405150][ T1259]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.405319][ T1259]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   44.405546][ T1259]  __dev_notify_flags (net/core/dev.c:9787)
[   44.405769][ T1259]  ? netif_change_name (net/core/dev.c:1495)
[   44.405995][ T1259]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.406268][ T1259]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   44.406497][ T1259]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   44.406719][ T1259]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   44.406937][ T1259]  ? __dev_get_by_name (net/core/dev.c:883)
[   44.407153][ T1259]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   44.407416][ T1259]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   44.407645][ T1259]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.407865][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.408085][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.408304][ T1259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.408537][ T1259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.408755][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.408990][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.409213][ T1259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.409448][ T1259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.409670][ T1259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.409892][ T1259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.410117][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.410360][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.410581][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.410813][ T1259]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.411060][ T1259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.411281][ T1259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.411524][ T1259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.411744][ T1259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.411965][ T1259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.412190][ T1259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.412433][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.412655][ T1259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.412876][ T1259]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.413100][ T1259]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.413343][ T1259]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.413563][ T1259]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.413778][ T1259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.414052][ T1259]  ? move_addr_to_kernel (net/socket.c:258)
[   44.414267][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.414484][ T1259]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   44.414699][ T1259]  ___sys_sendmsg (net/socket.c:2752)
[   44.414910][ T1259]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   44.415131][ T1259]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.415381][ T1259]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   44.415608][ T1259]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   44.415834][ T1259]  __sys_sendmsg (net/socket.c:2784)
[   44.416054][ T1259]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.416282][ T1259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.416515][ T1259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.416735][ T1259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.416952][ T1259]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.417176][ T1259]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.417409][ T1259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.417685][ T1259] RIP: 0033:0x7f582ca4e08e
[   44.417917][ T1259] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.418710][ T1259] RSP: 002b:00007ffdaacc68e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.419069][ T1259] RAX: ffffffffffffffda RBX: 00007ffdaacc7090 RCX: 00007f582ca4e08e
[   44.419419][ T1259] RDX: 0000000000000000 RSI: 00007ffdaacc6990 RDI: 0000000000000005
[   44.419752][ T1259] RBP: 00007ffdaacc68f0 R08: 0000000000000000 R09: 0000000000000000
[   44.420083][ T1259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf82
[   44.420433][ T1259] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdaacc7060
| [   44.477604][ T1260] ------------[ cut here ]------------
| [   44.477893][ T1260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1260
| [   44.478323][ T1260] Modules linked in: netdevsim
| [   44.479145][ T1260] Tainted: [W]=WARN
[   44.479309][ T1260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.479761][ T1260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.480183][ T1260] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.481059][ T1260] RSP: 0018:ffa0000003087020 EFLAGS: 00010286
[   44.481389][ T1260] RAX: 00000000ffffffa6 RBX: ff11000004f93840 RCX: 1ff4000000610dca
[   44.481713][ T1260] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f938f0
[   44.482036][ T1260] RBP: ff11000007a51000 R08: 1fe22000009f271f R09: ff11000010730b80
[   44.482371][ T1260] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   44.482696][ T1260] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.483027][ T1260] FS:  00007f2cd3a9b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   44.483419][ T1260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.483693][ T1260] CR2: 0000000005a20988 CR3: 00000000107dc006 CR4: 0000000000771ef0
[   44.484019][ T1260] PKRU: 55555554
[   44.484183][ T1260] Call Trace:
[   44.484367][ T1260]  <TASK>
[   44.484483][ T1260]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.484711][ T1260]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.484877][ T1260]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.485094][ T1260]  __dev_notify_flags (net/core/dev.c:9787)
[   44.485312][ T1260]  ? netif_change_name (net/core/dev.c:1495)
[   44.485568][ T1260]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.485786][ T1260]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.486006][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.486221][ T1260]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   44.486451][ T1260]  netif_change_flags (net/core/dev.c:9820)
[   44.486667][ T1260]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.486890][ T1260]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.487109][ T1260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.487394][ T1260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.487608][ T1260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.487818][ T1260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.488034][ T1260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.488248][ T1260]  ? __kernel_text_address (kernel/extable.c:79)
[   44.488479][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.488683][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.488884][ T1260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.489098][ T1260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.489309][ T1260]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.489531][ T1260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.489747][ T1260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.489979][ T1260]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.490198][ T1260]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   44.490430][ T1260]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.490655][ T1260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.490876][ T1260]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.491091][ T1260]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.491319][ T1260]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.491551][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.491769][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.491987][ T1260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.492202][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.492441][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.492664][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.492893][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.493110][ T1260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.493345][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.493560][ T1260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.493778][ T1260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.494002][ T1260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.494218][ T1260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.494441][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.494658][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.494871][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.495091][ T1260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.495306][ T1260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.495542][ T1260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.495771][ T1260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.495987][ T1260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.496210][ T1260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.496446][ T1260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.496661][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.496882][ T1260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.497100][ T1260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.497336][ T1260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.497554][ T1260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.497771][ T1260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.497990][ T1260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.498259][ T1260]  ? move_addr_to_kernel (net/socket.c:258)
[   44.498498][ T1260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.498710][ T1260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.498937][ T1260]  ___sys_sendmsg (net/socket.c:2752)
[   44.499155][ T1260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.499442][ T1260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.499682][ T1260]  __sys_sendmsg (net/socket.c:2784)
[   44.499894][ T1260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.500106][ T1260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.500405][ T1260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.500628][ T1260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.500847][ T1260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.501060][ T1260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.501275][ T1260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.501508][ T1260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.501781][ T1260] RIP: 0033:0x7f2cd3cd508e
[   44.502012][ T1260] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.502799][ T1260] RSP: 002b:00007ffe7867dfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.503133][ T1260] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2cd3cd508e
[   44.503467][ T1260] RDX: 0000000000000000 RSI: 00007ffe7867e090 RDI: 0000000000000005
[   44.503796][ T1260] RBP: 00007ffe7867dff0 R08: 0000000000000000 R09: 0000000000000000
[   44.504122][ T1260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf82
[   44.504461][ T1260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7867e760
| [   45.020101][ T1283] ------------[ cut here ]------------
| [   45.020370][ T1283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1283
| [   45.020701][ T1283] Modules linked in: netdevsim
| [   45.021231][ T1283] Tainted: [W]=WARN
[   45.021409][ T1283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.021630][ T1283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.021859][ T1283] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.022412][ T1283] RSP: 0018:ffa0000003157010 EFLAGS: 00010286
[   45.022634][ T1283] RAX: 00000000ffffffa6 RBX: ff11000004e1cdc0 RCX: 1ff400000062adc8
[   45.022887][ T1283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1ce70
[   45.023143][ T1283] RBP: ff11000009d9c000 R08: 1fe22000009c39cf R09: ff11000008d62e80
[   45.023520][ T1283] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   45.023828][ T1283] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003157100
[   45.024142][ T1283] FS:  00007fb80e268840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   45.024548][ T1283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.024883][ T1283] CR2: 0000000016760988 CR3: 000000000f5b7005 CR4: 0000000000771ef0
[   45.025211][ T1283] PKRU: 55555554
[   45.025458][ T1283] Call Trace:
[   45.025633][ T1283]  <TASK>
[   45.025753][ T1283]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.025945][ T1283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.026104][ T1283]  netif_close_many (net/core/dev.c:1804)
[   45.026288][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.026494][ T1283]  ? __dev_close_many (net/core/dev.c:1781)
[   45.026679][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.026865][ T1283]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   45.027050][ T1283]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.027258][ T1283]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   45.027500][ T1283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.027690][ T1283]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   45.027907][ T1283]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.028110][ T1283]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.028294][ T1283]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   45.028601][ T1283]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   45.028854][ T1283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.029127][ T1283]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   45.029421][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.029682][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.029939][ T1283]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.030157][ T1283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.030362][ T1283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.030566][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.030747][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.030935][ T1283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.031115][ T1283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.031298][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.031503][ T1283]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   45.031690][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.031871][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.032055][ T1283]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.032239][ T1283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.032446][ T1283]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.032629][ T1283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.032814][ T1283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.032996][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.033178][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.033381][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.033564][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.033754][ T1283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.033937][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.034126][ T1283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.034313][ T1283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.034516][ T1283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.034702][ T1283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.034889][ T1283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.035074][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.035263][ T1283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.035470][ T1283]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.035655][ T1283]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.035843][ T1283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.036026][ T1283]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.036210][ T1283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.036446][ T1283]  ? move_addr_to_kernel (net/socket.c:258)
[   45.036637][ T1283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.036825][ T1283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.037013][ T1283]  ___sys_sendmsg (net/socket.c:2752)
[   45.037195][ T1283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.037433][ T1283]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.037630][ T1283]  __sys_sendmsg (net/socket.c:2784)
[   45.037817][ T1283]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.038005][ T1283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.038223][ T1283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.038426][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.038611][ T1283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.038806][ T1283]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.039059][ T1283]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.039314][ T1283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.039648][ T1283] RIP: 0033:0x7fb80e4a208e
[   45.039895][ T1283] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.040488][ T1283] RSP: 002b:00007ffdbc13b680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.040781][ T1283] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb80e4a208e
[   45.041111][ T1283] RDX: 0000000000000000 RSI: 00007ffdbc13b730 RDI: 0000000000000005
[   45.041471][ T1283] RBP: 00007ffdbc13b690 R08: 0000000000000000 R09: 0000000000000000
[   45.041733][ T1283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf83
[   45.042103][ T1283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbc13be00
| [   45.046266][ T1283] ------------[ cut here ]------------
| [   45.046437][ T1283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1283
| [   45.046701][ T1283] Modules linked in: netdevsim
| [   45.047109][ T1283] Tainted: [W]=WARN
[   45.047207][ T1283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.047382][ T1283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.047569][ T1283] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.048142][ T1283] RSP: 0018:ffa0000003157190 EFLAGS: 00010286
[   45.048307][ T1283] RAX: 00000000ffffffa6 RBX: ff11000004e1cac0 RCX: 1ff400000062adf8
[   45.048518][ T1283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1cb70
[   45.048879][ T1283] RBP: ff11000009d9c000 R08: 1fe22000009c396f R09: ff11000008d62e58
[   45.049171][ T1283] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   45.049484][ T1283] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   45.049812][ T1283] FS:  00007fb80e268840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   45.050101][ T1283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.050264][ T1283] CR2: 000055fbe875cd5c CR3: 000000000f5b7005 CR4: 0000000000771ef0
[   45.050552][ T1283] PKRU: 55555554
[   45.050647][ T1283] Call Trace:
[   45.050743][ T1283]  <TASK>
[   45.050810][ T1283]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   45.051058][ T1283]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   45.051219][ T1283]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.051359][ T1283]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.051490][ T1283]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   45.051732][ T1283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.051861][ T1283]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   45.051989][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.052116][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.052337][ T1283]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.052464][ T1283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.052591][ T1283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.052761][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.053073][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.053275][ T1283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.053493][ T1283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.053693][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.053989][ T1283]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   45.054122][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.054247][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.054478][ T1283]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.054605][ T1283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.054731][ T1283]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.054861][ T1283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.054996][ T1283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.055214][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.055362][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.055493][ T1283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.055623][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.055833][ T1283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.055958][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.056086][ T1283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.056218][ T1283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.056445][ T1283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.056573][ T1283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.056701][ T1283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.056827][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.057037][ T1283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.057169][ T1283]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.057300][ T1283]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.057521][ T1283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.057658][ T1283]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.057783][ T1283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.057940][ T1283]  ? move_addr_to_kernel (net/socket.c:258)
[   45.058150][ T1283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.058279][ T1283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.058429][ T1283]  ___sys_sendmsg (net/socket.c:2752)
[   45.058556][ T1283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.058796][ T1283]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.058934][ T1283]  __sys_sendmsg (net/socket.c:2784)
[   45.059062][ T1283]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.059187][ T1283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.059443][ T1283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.059573][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.059700][ T1283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.059828][ T1283]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.060046][ T1283]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.060171][ T1283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.060343][ T1283] RIP: 0033:0x7fb80e4a208e
[   45.060489][ T1283] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.061033][ T1283] RSP: 002b:00007ffdbc13b680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.061315][ T1283] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb80e4a208e
[   45.061522][ T1283] RDX: 0000000000000000 RSI: 00007ffdbc13b730 RDI: 0000000000000005
[   45.061722][ T1283] RBP: 00007ffdbc13b690 R08: 0000000000000000 R09: 0000000000000000
[   45.062002][ T1283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf83
[   45.062194][ T1283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbc13be00
| [   45.122006][ T1284] ------------[ cut here ]------------
| [   45.122197][ T1284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1284
| [   45.122596][ T1284] Modules linked in: netdevsim
| [   45.123031][ T1284] Tainted: [W]=WARN
[   45.123136][ T1284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.123307][ T1284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.123506][ T1284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.124002][ T1284] RSP: 0018:ffa0000003157010 EFLAGS: 00010286
[   45.124180][ T1284] RAX: 00000000ffffffa6 RBX: ff11000004ec0940 RCX: 1ff400000062adc8
[   45.124426][ T1284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec09f0
[   45.124695][ T1284] RBP: ff11000007a51000 R08: 1fe22000009d813f R09: ff11000004d2ae80
[   45.124945][ T1284] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   45.125152][ T1284] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003157100
[   45.125374][ T1284] FS:  00007f5a190ff840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   45.125701][ T1284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.125879][ T1284] CR2: 000000000c56f988 CR3: 000000000c1e7002 CR4: 0000000000771ef0
[   45.126086][ T1284] PKRU: 55555554
[   45.126190][ T1284] Call Trace:
[   45.126295][ T1284]  <TASK>
[   45.126430][ T1284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.126640][ T1284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.126786][ T1284]  netif_close_many (net/core/dev.c:1804)
[   45.126932][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.127069][ T1284]  ? __dev_close_many (net/core/dev.c:1781)
[   45.127236][ T1284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.127483][ T1284]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   45.127677][ T1284]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.127834][ T1284]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   45.128051][ T1284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.128192][ T1284]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   45.128378][ T1284]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.128522][ T1284]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.128669][ T1284]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   45.128843][ T1284]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   45.128977][ T1284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.129114][ T1284]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   45.129249][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.129399][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.129552][ T1284]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.129690][ T1284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.129831][ T1284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.129990][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.130125][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.130262][ T1284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.130409][ T1284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.130550][ T1284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.130691][ T1284]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   45.130828][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.130964][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.131101][ T1284]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.131240][ T1284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.131392][ T1284]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.131531][ T1284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.131667][ T1284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.131807][ T1284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.131944][ T1284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.132082][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.132219][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.132370][ T1284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.132508][ T1284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.132645][ T1284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.132784][ T1284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.132923][ T1284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.133062][ T1284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.133198][ T1284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.133345][ T1284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.133482][ T1284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.133618][ T1284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.133755][ T1284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.133899][ T1284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.134036][ T1284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.134170][ T1284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.134347][ T1284]  ? move_addr_to_kernel (net/socket.c:258)
[   45.134484][ T1284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.134619][ T1284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.134756][ T1284]  ___sys_sendmsg (net/socket.c:2752)
[   45.134891][ T1284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.135060][ T1284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.135209][ T1284]  __sys_sendmsg (net/socket.c:2784)
[   45.135378][ T1284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.135517][ T1284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.135689][ T1284]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.135826][ T1284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.135965][ T1284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.136107][ T1284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.136241][ T1284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.136402][ T1284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.136610][ T1284] RIP: 0033:0x7f5a1933908e
[   45.136833][ T1284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.137617][ T1284] RSP: 002b:00007ffc93f7dae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.137909][ T1284] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5a1933908e
[   45.138117][ T1284] RDX: 0000000000000000 RSI: 00007ffc93f7db90 RDI: 0000000000000005
[   45.138333][ T1284] RBP: 00007ffc93f7daf0 R08: 0000000000000000 R09: 0000000000000000
[   45.138539][ T1284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf83
[   45.138740][ T1284] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc93f7e260
| [   45.141903][ T1284] ------------[ cut here ]------------
| [   45.142054][ T1284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1284
| [   45.142314][ T1284] Modules linked in: netdevsim
| [   45.142748][ T1284] Tainted: [W]=WARN
[   45.142847][ T1284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.143011][ T1284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.143183][ T1284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.143688][ T1284] RSP: 0018:ffa0000003157190 EFLAGS: 00010286
[   45.143858][ T1284] RAX: 00000000ffffffa6 RBX: ff11000004f92040 RCX: 1ff400000062adf8
[   45.144047][ T1284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f920f0
[   45.144239][ T1284] RBP: ff11000007a51000 R08: 1fe22000009f241f R09: ff11000004d2ae58
[   45.144442][ T1284] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.144639][ T1284] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   45.144834][ T1284] FS:  00007f5a190ff840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   45.145063][ T1284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.145228][ T1284] CR2: 000000000c56f988 CR3: 000000000c1e7002 CR4: 0000000000771ef0
[   45.145441][ T1284] PKRU: 55555554
[   45.145539][ T1284] Call Trace:
[   45.145636][ T1284]  <TASK>
[   45.145705][ T1284]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   45.145870][ T1284]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   45.146032][ T1284]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.146169][ T1284]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.146296][ T1284]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   45.146473][ T1284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.146603][ T1284]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   45.146732][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.146857][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.146984][ T1284]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.147113][ T1284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.147245][ T1284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.147405][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.147532][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.147658][ T1284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.147786][ T1284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.147919][ T1284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.148051][ T1284]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   45.148183][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.148319][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.148457][ T1284]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.148587][ T1284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.148719][ T1284]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.148848][ T1284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.148974][ T1284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.149099][ T1284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.149224][ T1284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.149370][ T1284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.149498][ T1284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.149630][ T1284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.149757][ T1284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.149886][ T1284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.150021][ T1284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.150150][ T1284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.150283][ T1284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.150429][ T1284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.150558][ T1284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.150687][ T1284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.150815][ T1284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.150948][ T1284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.151083][ T1284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.151215][ T1284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.151358][ T1284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.151519][ T1284]  ? move_addr_to_kernel (net/socket.c:258)
[   45.151654][ T1284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.151785][ T1284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.151923][ T1284]  ___sys_sendmsg (net/socket.c:2752)
[   45.152053][ T1284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.152216][ T1284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.152372][ T1284]  __sys_sendmsg (net/socket.c:2784)
[   45.152499][ T1284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.152629][ T1284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.152791][ T1284]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.152925][ T1284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.153055][ T1284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.153184][ T1284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.153311][ T1284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.153453][ T1284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.153615][ T1284] RIP: 0033:0x7f5a1933908e
[   45.153753][ T1284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.154210][ T1284] RSP: 002b:00007ffc93f7dae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.154423][ T1284] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5a1933908e
[   45.154613][ T1284] RDX: 0000000000000000 RSI: 00007ffc93f7db90 RDI: 0000000000000005
[   45.154806][ T1284] RBP: 00007ffc93f7daf0 R08: 0000000000000000 R09: 0000000000000000
[   45.154998][ T1284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf83
[   45.155190][ T1284] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc93f7e260
| [   45.274360][ T1293] ------------[ cut here ]------------
| [   45.274537][ T1293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1293
| [   45.274826][ T1293] Modules linked in: netdevsim
| [   45.275268][ T1293] Tainted: [W]=WARN
[   45.275401][ T1293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.275590][ T1293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.275778][ T1293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.276286][ T1293] RSP: 0018:ffa00000031c71b0 EFLAGS: 00010286
[   45.276477][ T1293] RAX: 00000000ffffffa6 RBX: ff11000004b0a940 RCX: 1ff4000000638dfc
[   45.276689][ T1293] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a9f0
[   45.276900][ T1293] RBP: ff11000004f84000 R08: 1fe220000096153f R09: ff1100000c10d1a8
[   45.277110][ T1293] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   45.277334][ T1293] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.277548][ T1293] FS:  00007f29fe4f8840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   45.277796][ T1293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.277975][ T1293] CR2: 00000000004a77b8 CR3: 0000000004e2b006 CR4: 0000000000771ef0
[   45.278188][ T1293] PKRU: 55555554
[   45.278295][ T1293] Call Trace:
[   45.278412][ T1293]  <TASK>
[   45.278489][ T1293]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.278635][ T1293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.278776][ T1293]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.278918][ T1293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.279023][ T1293]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   45.279169][ T1293]  __dev_notify_flags (net/core/dev.c:9787)
[   45.279311][ T1293]  ? netif_change_name (net/core/dev.c:1495)
[   45.279470][ T1293]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.279645][ T1293]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   45.279791][ T1293]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   45.279933][ T1293]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   45.280079][ T1293]  ? __dev_get_by_name (net/core/dev.c:883)
[   45.280233][ T1293]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   45.280394][ T1293]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   45.280542][ T1293]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.280688][ T1293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.280832][ T1293]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.280977][ T1293]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.281122][ T1293]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.281263][ T1293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.281418][ T1293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.281562][ T1293]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.281709][ T1293]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.281852][ T1293]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.281996][ T1293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.282136][ T1293]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.282278][ T1293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.282429][ T1293]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.282573][ T1293]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.282714][ T1293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.282856][ T1293]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.283000][ T1293]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.283144][ T1293]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.283289][ T1293]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.283445][ T1293]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.283588][ T1293]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.283729][ T1293]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.283874][ T1293]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.284013][ T1293]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.284156][ T1293]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.284296][ T1293]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.284446][ T1293]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.284625][ T1293]  ? move_addr_to_kernel (net/socket.c:258)
[   45.284768][ T1293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.284916][ T1293]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   45.285058][ T1293]  ___sys_sendmsg (net/socket.c:2752)
[   45.285197][ T1293]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   45.285346][ T1293]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.285491][ T1293]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   45.285635][ T1293]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   45.285778][ T1293]  __sys_sendmsg (net/socket.c:2784)
[   45.285917][ T1293]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.286059][ T1293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.286200][ T1293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.286358][ T1293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.286499][ T1293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.286639][ T1293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.286782][ T1293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.286960][ T1293] RIP: 0033:0x7f29fe73208e
[   45.287112][ T1293] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.287643][ T1293] RSP: 002b:00007ffef23cf640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.287860][ T1293] RAX: ffffffffffffffda RBX: 00007ffef23cfdf0 RCX: 00007f29fe73208e
[   45.288075][ T1293] RDX: 0000000000000000 RSI: 00007ffef23cf6f0 RDI: 0000000000000005
[   45.288285][ T1293] RBP: 00007ffef23cf650 R08: 0000000000000000 R09: 0000000000000000
[   45.288506][ T1293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf83
[   45.288715][ T1293] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef23cfdc0
| [   45.324658][ T1294] ------------[ cut here ]------------
| [   45.324840][ T1294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1294
| [   45.325122][ T1294] Modules linked in: netdevsim
| [   45.325655][ T1294] Tainted: [W]=WARN
[   45.325759][ T1294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.325930][ T1294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.326111][ T1294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.326732][ T1294] RSP: 0018:ffa00000031c7020 EFLAGS: 00010286
[   45.326913][ T1294] RAX: 00000000ffffffa6 RBX: ff110000093df6c0 RCX: 1ff4000000638dca
[   45.327117][ T1294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093df770
[   45.327393][ T1294] RBP: ff11000004f84000 R08: 1fe220000127beef R09: ff1100000df25180
[   45.327601][ T1294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   45.327895][ T1294] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.328099][ T1294] FS:  00007f66c5178840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   45.328413][ T1294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.328591][ T1294] CR2: 0000000018fff988 CR3: 000000000f5a9001 CR4: 0000000000771ef0
[   45.328796][ T1294] PKRU: 55555554
[   45.328900][ T1294] Call Trace:
[   45.329008][ T1294]  <TASK>
[   45.329081][ T1294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.329227][ T1294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.329420][ T1294]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   45.329558][ T1294]  __dev_notify_flags (net/core/dev.c:9787)
[   45.329697][ T1294]  ? netif_change_name (net/core/dev.c:1495)
[   45.329832][ T1294]  ? __dev_change_flags (net/core/dev.c:9752)
[   45.329970][ T1294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   45.330107][ T1294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.330246][ T1294]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   45.330456][ T1294]  netif_change_flags (net/core/dev.c:9820)
[   45.330595][ T1294]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   45.330741][ T1294]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.330878][ T1294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.331049][ T1294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.331190][ T1294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.331368][ T1294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.331508][ T1294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.331647][ T1294]  ? __kernel_text_address (kernel/extable.c:79)
[   45.331788][ T1294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.331929][ T1294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.332070][ T1294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.332223][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.332377][ T1294]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.332518][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.332662][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.332807][ T1294]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.332944][ T1294]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   45.333082][ T1294]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.333221][ T1294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.333377][ T1294]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.333518][ T1294]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.333659][ T1294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.333800][ T1294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.333937][ T1294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.334076][ T1294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.334217][ T1294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.334386][ T1294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.334529][ T1294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.334665][ T1294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.334801][ T1294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.334938][ T1294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.335080][ T1294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.335218][ T1294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.335370][ T1294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.335512][ T1294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.335649][ T1294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.335787][ T1294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.335926][ T1294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.336067][ T1294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.336207][ T1294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.336362][ T1294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.336502][ T1294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.336644][ T1294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.336788][ T1294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.336929][ T1294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.337066][ T1294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.337207][ T1294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.337371][ T1294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.337513][ T1294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.337654][ T1294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.337791][ T1294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.337927][ T1294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.338096][ T1294]  ? move_addr_to_kernel (net/socket.c:258)
[   45.338232][ T1294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.338384][ T1294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.338522][ T1294]  ___sys_sendmsg (net/socket.c:2752)
[   45.338656][ T1294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.338827][ T1294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.338980][ T1294]  __sys_sendmsg (net/socket.c:2784)
[   45.339117][ T1294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.339254][ T1294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.339441][ T1294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.339578][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.339713][ T1294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.339855][ T1294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.339990][ T1294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.340128][ T1294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.340300][ T1294] RIP: 0033:0x7f66c53b208e
[   45.340462][ T1294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.341130][ T1294] RSP: 002b:00007ffc85e005b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.341460][ T1294] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f66c53b208e
[   45.341666][ T1294] RDX: 0000000000000000 RSI: 00007ffc85e00660 RDI: 0000000000000005
[   45.341880][ T1294] RBP: 00007ffc85e005c0 R08: 0000000000000000 R09: 0000000000000000
[   45.342083][ T1294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf83
[   45.342287][ T1294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc85e00d30
| [   45.792608][ T1315] ------------[ cut here ]------------
| [   45.792922][ T1315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1315
| [   45.794124][ T1315] Modules linked in: netdevsim
| [   45.794923][ T1315] Tainted: [W]=WARN
[   45.795142][ T1315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.795512][ T1315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.795851][ T1315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.796682][ T1315] RSP: 0018:ffa0000003257010 EFLAGS: 00010286
[   45.797004][ T1315] RAX: 00000000ffffffa6 RBX: ff1100000ed73240 RCX: 1ff400000064adc8
[   45.797390][ T1315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed732f0
[   45.797765][ T1315] RBP: ff11000004f84000 R08: 1fe2200001dae65f R09: ff11000004f2ae80
[   45.798139][ T1315] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   45.798551][ T1315] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003257100
[   45.798934][ T1315] FS:  00007fa4439d0840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   45.799385][ T1315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.799717][ T1315] CR2: 00007fa443ca01a0 CR3: 000000000ce44005 CR4: 0000000000771ef0
[   45.800086][ T1315] PKRU: 55555554
[   45.800298][ T1315] Call Trace:
[   45.800536][ T1315]  <TASK>
[   45.800702][ T1315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.800973][ T1315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.801188][ T1315]  netif_close_many (net/core/dev.c:1804)
[   45.801481][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.801756][ T1315]  ? __dev_close_many (net/core/dev.c:1781)
[   45.802025][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.802292][ T1315]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   45.802587][ T1315]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.802850][ T1315]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   45.803169][ T1315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.803455][ T1315]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   45.803778][ T1315]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.804048][ T1315]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.804310][ T1315]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   45.804658][ T1315]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   45.804921][ T1315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.805193][ T1315]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   45.805482][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.805750][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.806016][ T1315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.806280][ T1315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.806567][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.806864][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.807111][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.807425][ T1315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.807692][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.807965][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.808230][ T1315]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   45.808529][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.808797][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.809066][ T1315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.809354][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.809621][ T1315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.809887][ T1315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.810150][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.810436][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.810701][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.810971][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.811240][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.811534][ T1315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.811801][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.812081][ T1315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.812377][ T1315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.812653][ T1315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.812928][ T1315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.813196][ T1315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.813488][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.813763][ T1315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.814039][ T1315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.814309][ T1315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.814609][ T1315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.814879][ T1315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.815143][ T1315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.815483][ T1315]  ? move_addr_to_kernel (net/socket.c:258)
[   45.815755][ T1315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.816036][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.816305][ T1315]  ___sys_sendmsg (net/socket.c:2752)
[   45.816594][ T1315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.816912][ T1315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.817202][ T1315]  __sys_sendmsg (net/socket.c:2784)
[   45.817497][ T1315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.817762][ T1315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.818087][ T1315]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.818382][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.818654][ T1315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.818922][ T1315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.819190][ T1315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.819482][ T1315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.819802][ T1315] RIP: 0033:0x7fa443c0a08e
[   45.820086][ T1315] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.820904][ T1315] RSP: 002b:00007ffcad7eaba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.821286][ T1315] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa443c0a08e
[   45.821685][ T1315] RDX: 0000000000000000 RSI: 00007ffcad7eac50 RDI: 0000000000000005
[   45.822061][ T1315] RBP: 00007ffcad7eabb0 R08: 0000000000000000 R09: 0000000000000000
[   45.822450][ T1315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   45.822835][ T1315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcad7eb320
| [   45.827469][ T1315] ------------[ cut here ]------------
| [   45.827625][ T1315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1315
| [   45.827887][ T1315] Modules linked in: netdevsim
| [   45.828305][ T1315] Tainted: [W]=WARN
[   45.828419][ T1315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.828581][ T1315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.828747][ T1315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.829219][ T1315] RSP: 0018:ffa0000003257190 EFLAGS: 00010286
[   45.829398][ T1315] RAX: 00000000ffffffa6 RBX: ff11000004f92640 RCX: 1ff400000064adf8
[   45.829599][ T1315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f926f0
[   45.829792][ T1315] RBP: ff11000004f84000 R08: 1fe22000009f24df R09: ff11000004f2ae58
[   45.829991][ T1315] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   45.830187][ T1315] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   45.830404][ T1315] FS:  00007fa4439d0840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   45.830631][ T1315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.830796][ T1315] CR2: 00007f8375e9d580 CR3: 000000000ce44005 CR4: 0000000000771ef0
[   45.830992][ T1315] PKRU: 55555554
[   45.831089][ T1315] Call Trace:
[   45.831184][ T1315]  <TASK>
[   45.831250][ T1315]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   45.831427][ T1315]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   45.831590][ T1315]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.831730][ T1315]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.831859][ T1315]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   45.832023][ T1315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.832158][ T1315]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   45.832289][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.832507][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.832640][ T1315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.832768][ T1315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.832902][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.833052][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.833181][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.833310][ T1315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.833539][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.833670][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.833798][ T1315]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   45.833934][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.834062][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.834190][ T1315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.834324][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.834554][ T1315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   45.834758][ T1315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.834889][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.835019][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.835151][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.835285][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.835429][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.835559][ T1315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.835688][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.835819][ T1315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.835950][ T1315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.836084][ T1315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.836217][ T1315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.836362][ T1315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.836492][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.836626][ T1315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.836755][ T1315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.836889][ T1315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.837023][ T1315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.837158][ T1315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.837289][ T1315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.837470][ T1315]  ? move_addr_to_kernel (net/socket.c:258)
[   45.837605][ T1315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.837741][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.837875][ T1315]  ___sys_sendmsg (net/socket.c:2752)
[   45.838006][ T1315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.838173][ T1315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.838433][ T1315]  __sys_sendmsg (net/socket.c:2784)
[   45.838562][ T1315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.838690][ T1315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.838854][ T1315]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.838986][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.839116][ T1315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.839247][ T1315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.839393][ T1315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.839522][ T1315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.839681][ T1315] RIP: 0033:0x7fa443c0a08e
[   45.839821][ T1315] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.840274][ T1315] RSP: 002b:00007ffcad7eaba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.840563][ T1315] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa443c0a08e
[   45.840754][ T1315] RDX: 0000000000000000 RSI: 00007ffcad7eac50 RDI: 0000000000000005
[   45.840948][ T1315] RBP: 00007ffcad7eabb0 R08: 0000000000000000 R09: 0000000000000000
[   45.841139][ T1315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   45.841338][ T1315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcad7eb320
| [   45.937809][ T1324] ------------[ cut here ]------------
| [   45.937994][ T1324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1324
| [   45.938276][ T1324] Modules linked in: netdevsim
| [   45.939183][ T1324] Tainted: [W]=WARN
[   45.939290][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.939477][ T1324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.939657][ T1324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.940147][ T1324] RSP: 0018:ffa00000032c71b0 EFLAGS: 00010286
[   45.940342][ T1324] RAX: 00000000ffffffa6 RBX: ff11000004b0a1c0 RCX: 1ff4000000658dfc
[   45.940555][ T1324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a270
[   45.940763][ T1324] RBP: ff11000008104000 R08: 1fe220000096144f R09: ff1100000c2751a8
[   45.940987][ T1324] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.941196][ T1324] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.941428][ T1324] FS:  00007f6505be3840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   45.941672][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.941851][ T1324] CR2: 00000000004a77b8 CR3: 000000000f56e005 CR4: 0000000000771ef0
[   45.942059][ T1324] PKRU: 55555554
[   45.942164][ T1324] Call Trace:
[   45.942275][ T1324]  <TASK>
[   45.942362][ T1324]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.942506][ T1324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.942647][ T1324]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.942788][ T1324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.942895][ T1324]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   45.943036][ T1324]  __dev_notify_flags (net/core/dev.c:9787)
[   45.943178][ T1324]  ? netif_change_name (net/core/dev.c:1495)
[   45.943336][ T1324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.943511][ T1324]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   45.943650][ T1324]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   45.943790][ T1324]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   45.943936][ T1324]  ? __dev_get_by_name (net/core/dev.c:883)
[   45.944079][ T1324]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   45.944232][ T1324]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   45.944391][ T1324]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.944535][ T1324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.944677][ T1324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.944822][ T1324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.944962][ T1324]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.945104][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.945251][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.945405][ T1324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.945544][ T1324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.945683][ T1324]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.945823][ T1324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.945959][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.946099][ T1324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.946236][ T1324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.946388][ T1324]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.946530][ T1324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.946670][ T1324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.946813][ T1324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.946951][ T1324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.947090][ T1324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.947228][ T1324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.947377][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.947519][ T1324]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.947666][ T1324]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.947804][ T1324]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.947944][ T1324]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.948089][ T1324]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.948226][ T1324]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.948410][ T1324]  ? move_addr_to_kernel (net/socket.c:258)
[   45.948554][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.948698][ T1324]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   45.948841][ T1324]  ___sys_sendmsg (net/socket.c:2752)
[   45.948987][ T1324]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   45.949125][ T1324]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.949267][ T1324]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   45.949424][ T1324]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   45.949565][ T1324]  __sys_sendmsg (net/socket.c:2784)
[   45.949704][ T1324]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.949845][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.949985][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.950122][ T1324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.950259][ T1324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.950410][ T1324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.950549][ T1324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.950728][ T1324] RIP: 0033:0x7f6505e1d08e
[   45.950878][ T1324] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.951387][ T1324] RSP: 002b:00007ffd8d0dac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.951603][ T1324] RAX: ffffffffffffffda RBX: 00007ffd8d0db430 RCX: 00007f6505e1d08e
[   45.951811][ T1324] RDX: 0000000000000000 RSI: 00007ffd8d0dad30 RDI: 0000000000000005
[   45.952017][ T1324] RBP: 00007ffd8d0dac90 R08: 0000000000000000 R09: 0000000000000000
[   45.952223][ T1324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   45.952451][ T1324] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8d0db400
| [   46.000440][ T1325] ------------[ cut here ]------------
| [   46.000737][ T1325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1325
| [   46.001224][ T1325] Modules linked in: netdevsim
| [   46.002371][ T1325] Tainted: [W]=WARN
[   46.002719][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.003188][ T1325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.003662][ T1325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.004506][ T1325] RSP: 0018:ffa00000032d7020 EFLAGS: 00010286
[   46.004839][ T1325] RAX: 00000000ffffffa6 RBX: ff11000004b0a4c0 RCX: 1ff400000065adca
[   46.005212][ T1325] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a570
[   46.005604][ T1325] RBP: ff11000008104000 R08: 1fe22000009614af R09: ff11000010730b80
[   46.005964][ T1325] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   46.006356][ T1325] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   46.006733][ T1325] FS:  00007f63d7bfe840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   46.007156][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.007497][ T1325] CR2: 000000002b175988 CR3: 000000000f697006 CR4: 0000000000771ef0
[   46.007868][ T1325] PKRU: 55555554
[   46.008084][ T1325] Call Trace:
[   46.008296][ T1325]  <TASK>
[   46.008468][ T1325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.008698][ T1325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.008880][ T1325]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.009127][ T1325]  __dev_notify_flags (net/core/dev.c:9787)
[   46.009420][ T1325]  ? netif_change_name (net/core/dev.c:1495)
[   46.009684][ T1325]  ? __dev_change_flags (net/core/dev.c:9752)
[   46.009950][ T1325]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   46.010216][ T1325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.010511][ T1325]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   46.010785][ T1325]  netif_change_flags (net/core/dev.c:9820)
[   46.011068][ T1325]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   46.011360][ T1325]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   46.011629][ T1325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.011966][ T1325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.012237][ T1325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.012528][ T1325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.012791][ T1325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.013059][ T1325]  ? __kernel_text_address (kernel/extable.c:79)
[   46.013350][ T1325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.013629][ T1325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.013893][ T1325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.014159][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.014448][ T1325]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   46.014713][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.014978][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.015245][ T1325]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   46.015541][ T1325]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   46.015819][ T1325]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   46.016081][ T1325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.016372][ T1325]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   46.016646][ T1325]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   46.016916][ T1325]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.017182][ T1325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.017470][ T1325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.017737][ T1325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.018008][ T1325]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.018269][ T1325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.018559][ T1325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.018820][ T1325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.019080][ T1325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.019369][ T1325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.019646][ T1325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.019922][ T1325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.020186][ T1325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.020479][ T1325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.020747][ T1325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.021016][ T1325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.021277][ T1325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.021569][ T1325]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.021832][ T1325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.022123][ T1325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.022419][ T1325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.022683][ T1325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.022956][ T1325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.023219][ T1325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.023496][ T1325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.023755][ T1325]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.024021][ T1325]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.024296][ T1325]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.024668][ T1325]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.024945][ T1325]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.025218][ T1325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.025571][ T1325]  ? move_addr_to_kernel (net/socket.c:258)
[   46.025846][ T1325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.026100][ T1325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.026407][ T1325]  ___sys_sendmsg (net/socket.c:2752)
[   46.027014][ T1325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.027360][ T1325]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.027655][ T1325]  __sys_sendmsg (net/socket.c:2784)
[   46.027926][ T1325]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.028193][ T1325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.028544][ T1325]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.028817][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.029083][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.029379][ T1325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.029652][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.029917][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.030238][ T1325] RIP: 0033:0x7f63d7e3808e
[   46.030560][ T1325] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.031395][ T1325] RSP: 002b:00007fffce6c1b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.031782][ T1325] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63d7e3808e
[   46.032168][ T1325] RDX: 0000000000000000 RSI: 00007fffce6c1c10 RDI: 0000000000000005
[   46.032593][ T1325] RBP: 00007fffce6c1b70 R08: 0000000000000000 R09: 0000000000000000
[   46.032961][ T1325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   46.033354][ T1325] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffce6c22e0
| [   46.313242][ T1337] ------------[ cut here ]------------
| [   46.313517][ T1337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1337
| [   46.313937][ T1337] Modules linked in: netdevsim
| [   46.314587][ T1337] Tainted: [W]=WARN
[   46.314748][ T1337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.315015][ T1337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.315291][ T1337] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.316052][ T1337] RSP: 0018:ffa0000003337010 EFLAGS: 00010286
[   46.316336][ T1337] RAX: 00000000ffffffa6 RBX: ff1100000dffef40 RCX: 1ff4000000666dc8
[   46.316663][ T1337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffeff0
[   46.316983][ T1337] RBP: ff11000008104000 R08: 1fe2200001bffdff R09: ff1100000ef42e80
[   46.317302][ T1337] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   46.317646][ T1337] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003337100
[   46.317968][ T1337] FS:  00007f4db4f2b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   46.318359][ T1337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.318626][ T1337] CR2: 0000000031be4988 CR3: 000000000c543006 CR4: 0000000000771ef0
[   46.318949][ T1337] PKRU: 55555554
[   46.319107][ T1337] Call Trace:
[   46.319264][ T1337]  <TASK>
[   46.319388][ T1337]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.319605][ T1337]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.319761][ T1337]  netif_close_many (net/core/dev.c:1804)
[   46.319967][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.320170][ T1337]  ? __dev_close_many (net/core/dev.c:1781)
[   46.320393][ T1337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.320600][ T1337]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   46.320810][ T1337]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.321015][ T1337]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   46.321274][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.321493][ T1337]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   46.321747][ T1337]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.321951][ T1337]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.322156][ T1337]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   46.322433][ T1337]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   46.322639][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.322853][ T1337]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   46.323068][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.323275][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.323497][ T1337]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.323705][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.323913][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.324160][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.324381][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.324592][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.324801][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.325013][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.325224][ T1337]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   46.325451][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.325658][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.325868][ T1337]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.326080][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.326298][ T1337]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.326550][ T1337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.326758][ T1337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.326968][ T1337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.327180][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.327408][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.327614][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.327827][ T1337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.328036][ T1337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.328246][ T1337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.328485][ T1337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.328708][ T1337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.328930][ T1337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.329167][ T1337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.329387][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.329597][ T1337]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.329806][ T1337]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.330017][ T1337]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.330234][ T1337]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.330453][ T1337]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.330661][ T1337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.330922][ T1337]  ? move_addr_to_kernel (net/socket.c:258)
[   46.331135][ T1337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.331356][ T1337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.331566][ T1337]  ___sys_sendmsg (net/socket.c:2752)
[   46.331775][ T1337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.332048][ T1337]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.332296][ T1337]  __sys_sendmsg (net/socket.c:2784)
[   46.332529][ T1337]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.332743][ T1337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.333022][ T1337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.333243][ T1337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.333469][ T1337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.333681][ T1337]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.333892][ T1337]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.334102][ T1337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.334374][ T1337] RIP: 0033:0x7f4db516508e
[   46.334597][ T1337] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.335366][ T1337] RSP: 002b:00007ffe990de540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.335683][ T1337] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4db516508e
[   46.335998][ T1337] RDX: 0000000000000000 RSI: 00007ffe990de5f0 RDI: 0000000000000005
[   46.336311][ T1337] RBP: 00007ffe990de550 R08: 0000000000000000 R09: 0000000000000000
[   46.336638][ T1337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   46.336964][ T1337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe990decc0
| [   46.340988][ T1337] ------------[ cut here ]------------
| [   46.341147][ T1337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1337
| [   46.341438][ T1337] Modules linked in: netdevsim
| [   46.341868][ T1337] Tainted: [W]=WARN
[   46.341973][ T1337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.342148][ T1337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.342325][ T1337] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.342799][ T1337] RSP: 0018:ffa0000003337190 EFLAGS: 00010286
[   46.342962][ T1337] RAX: 00000000ffffffa6 RBX: ff1100000dffe640 RCX: 1ff4000000666df8
[   46.343152][ T1337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dffe6f0
[   46.343351][ T1337] RBP: ff11000008104000 R08: 1fe2200001bffcdf R09: ff1100000ef42e58
[   46.343543][ T1337] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   46.343733][ T1337] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   46.343928][ T1337] FS:  00007f4db4f2b840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   46.344161][ T1337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.344332][ T1337] CR2: 00007f8375e9d580 CR3: 000000000c543004 CR4: 0000000000771ef0
[   46.344532][ T1337] PKRU: 55555554
[   46.344630][ T1337] Call Trace:
[   46.344728][ T1337]  <TASK>
[   46.344795][ T1337]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   46.344955][ T1337]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   46.345112][ T1337]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.345240][ T1337]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.345376][ T1337]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   46.345535][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.345664][ T1337]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   46.345793][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.345924][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.346061][ T1337]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.346189][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.346318][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.346473][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.346604][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.346740][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.346869][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.346999][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.347132][ T1337]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   46.347265][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.347407][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.347534][ T1337]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.347663][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.347794][ T1337]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.347923][ T1337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.348052][ T1337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.348181][ T1337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.348308][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.348451][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.348577][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.348706][ T1337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.348837][ T1337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.348967][ T1337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.349095][ T1337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.349224][ T1337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.349367][ T1337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.349495][ T1337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.349623][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.349752][ T1337]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.349882][ T1337]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.350011][ T1337]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.350142][ T1337]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.350275][ T1337]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.350413][ T1337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.350570][ T1337]  ? move_addr_to_kernel (net/socket.c:258)
[   46.350700][ T1337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.350837][ T1337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.350977][ T1337]  ___sys_sendmsg (net/socket.c:2752)
[   46.351112][ T1337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.351280][ T1337]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.351437][ T1337]  __sys_sendmsg (net/socket.c:2784)
[   46.351571][ T1337]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.351704][ T1337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.351873][ T1337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.352010][ T1337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.352145][ T1337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.352277][ T1337]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.352418][ T1337]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.352545][ T1337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.352704][ T1337] RIP: 0033:0x7f4db516508e
[   46.352843][ T1337] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.353290][ T1337] RSP: 002b:00007ffe990de540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.353493][ T1337] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4db516508e
[   46.353684][ T1337] RDX: 0000000000000000 RSI: 00007ffe990de5f0 RDI: 0000000000000005
[   46.353871][ T1337] RBP: 00007ffe990de550 R08: 0000000000000000 R09: 0000000000000000
[   46.354059][ T1337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   46.354247][ T1337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe990decc0
| [   46.454980][ T1346] ------------[ cut here ]------------
| [   46.455292][ T1346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1346
| [   46.456467][ T1346] Modules linked in: netdevsim
| [   46.457429][ T1346] Tainted: [W]=WARN
[   46.457648][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.457996][ T1346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.458369][ T1346] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.459198][ T1346] RSP: 0018:ffa00000033a71b0 EFLAGS: 00010286
[   46.459553][ T1346] RAX: 00000000ffffffa6 RBX: ff11000004e1cac0 RCX: 1ff4000000674dfc
[   46.459931][ T1346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1cb70
[   46.460350][ T1346] RBP: ff1100000c601000 R08: 1fe22000009c396f R09: ff1100000c10d1a8
[   46.460725][ T1346] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   46.461106][ T1346] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   46.461615][ T1346] FS:  00007f60a9d46840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   46.462147][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.462516][ T1346] CR2: 00000000004a77b8 CR3: 000000000f587004 CR4: 0000000000771ef0
[   46.462901][ T1346] PKRU: 55555554
[   46.463119][ T1346] Call Trace:
[   46.463355][ T1346]  <TASK>
[   46.463524][ T1346]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   46.463806][ T1346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.464081][ T1346]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   46.464376][ T1346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.464601][ T1346]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   46.464875][ T1346]  __dev_notify_flags (net/core/dev.c:9787)
[   46.465147][ T1346]  ? netif_change_name (net/core/dev.c:1495)
[   46.465453][ T1346]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   46.465781][ T1346]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   46.466055][ T1346]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   46.466368][ T1346]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   46.466659][ T1346]  ? __dev_get_by_name (net/core/dev.c:883)
[   46.466957][ T1346]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   46.467265][ T1346]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   46.467585][ T1346]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.467875][ T1346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.468162][ T1346]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.468468][ T1346]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.468741][ T1346]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.469030][ T1346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.469359][ T1346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.469654][ T1346]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.469935][ T1346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.470218][ T1346]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.470516][ T1346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.470799][ T1346]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.471085][ T1346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.471392][ T1346]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.471680][ T1346]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.471956][ T1346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.472234][ T1346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.472540][ T1346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.472812][ T1346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.473091][ T1346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.473398][ T1346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.473687][ T1346]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.473976][ T1346]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.474263][ T1346]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.474566][ T1346]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.474849][ T1346]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.475133][ T1346]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.475438][ T1346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.475775][ T1346]  ? move_addr_to_kernel (net/socket.c:258)
[   46.476060][ T1346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.476353][ T1346]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   46.476631][ T1346]  ___sys_sendmsg (net/socket.c:2752)
[   46.476908][ T1346]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   46.477187][ T1346]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.477497][ T1346]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   46.477791][ T1346]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   46.478070][ T1346]  __sys_sendmsg (net/socket.c:2784)
[   46.478412][ T1346]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.478712][ T1346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.478993][ T1346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.479271][ T1346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.479569][ T1346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.479846][ T1346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.480138][ T1346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.480493][ T1346] RIP: 0033:0x7f60a9f8008e
[   46.480785][ T1346] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.481639][ T1346] RSP: 002b:00007ffe6920d670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.482037][ T1346] RAX: ffffffffffffffda RBX: 00007ffe6920de20 RCX: 00007f60a9f8008e
[   46.482448][ T1346] RDX: 0000000000000000 RSI: 00007ffe6920d720 RDI: 0000000000000005
[   46.482832][ T1346] RBP: 00007ffe6920d680 R08: 0000000000000000 R09: 0000000000000000
[   46.483219][ T1346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   46.483632][ T1346] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6920ddf0
| [   46.542765][ T1347] ------------[ cut here ]------------
| [   46.542941][ T1347] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1347
| [   46.543226][ T1347] Modules linked in: netdevsim
| [   46.544276][ T1347] Tainted: [W]=WARN
[   46.544402][ T1347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.544582][ T1347] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.544774][ T1347] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.545274][ T1347] RSP: 0018:ffa00000033b7020 EFLAGS: 00010286
[   46.545468][ T1347] RAX: 00000000ffffffa6 RBX: ff11000004e1c4c0 RCX: 1ff4000000676dca
[   46.545678][ T1347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c570
[   46.545889][ T1347] RBP: ff1100000c601000 R08: 1fe22000009c38af R09: ff11000004d2ae80
[   46.546100][ T1347] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   46.546310][ T1347] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   46.546532][ T1347] FS:  00007f10b7af5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   46.546779][ T1347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.546955][ T1347] CR2: 0000000018d42988 CR3: 000000000f635002 CR4: 0000000000771ef0
[   46.547168][ T1347] PKRU: 55555554
[   46.547274][ T1347] Call Trace:
[   46.547393][ T1347]  <TASK>
[   46.547465][ T1347]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   46.547608][ T1347]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.547751][ T1347]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.547857][ T1347]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.547997][ T1347]  __dev_notify_flags (net/core/dev.c:9787)
[   46.548136][ T1347]  ? netif_change_name (net/core/dev.c:1495)
[   46.548276][ T1347]  ? __dev_change_flags (net/core/dev.c:9752)
[   46.548427][ T1347]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   46.548564][ T1347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.548703][ T1347]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   46.548845][ T1347]  netif_change_flags (net/core/dev.c:9820)
[   46.548985][ T1347]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   46.549130][ T1347]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   46.549272][ T1347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.549461][ T1347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.549608][ T1347]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.549749][ T1347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.549888][ T1347]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.550031][ T1347]  ? __kernel_text_address (kernel/extable.c:79)
[   46.550177][ T1347]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.550356][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.550498][ T1347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.550639][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.550780][ T1347]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   46.550922][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.551060][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.551208][ T1347]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   46.551359][ T1347]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   46.551499][ T1347]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   46.551636][ T1347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.551774][ T1347]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   46.551914][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   46.552054][ T1347]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.552192][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.552344][ T1347]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.552491][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.552628][ T1347]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.552765][ T1347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.552905][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.553044][ T1347]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.553181][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.553318][ T1347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.553475][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.553612][ T1347]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.553749][ T1347]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.553887][ T1347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.554024][ T1347]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.554163][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.554299][ T1347]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.554457][ T1347]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.554598][ T1347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.554737][ T1347]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.554880][ T1347]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.555016][ T1347]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.555155][ T1347]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.555296][ T1347]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.555442][ T1347]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.555584][ T1347]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.555723][ T1347]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.555861][ T1347]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.556007][ T1347]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.556146][ T1347]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.556282][ T1347]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.556462][ T1347]  ? move_addr_to_kernel (net/socket.c:258)
[   46.556602][ T1347]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.556739][ T1347]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.556877][ T1347]  ___sys_sendmsg (net/socket.c:2752)
[   46.557016][ T1347]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.557188][ T1347]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.557349][ T1347]  __sys_sendmsg (net/socket.c:2784)
[   46.557489][ T1347]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.557632][ T1347]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.557806][ T1347]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.557943][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.558082][ T1347]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.558221][ T1347]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.558370][ T1347]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.558510][ T1347]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.558682][ T1347] RIP: 0033:0x7f10b7d2f08e
[   46.558832][ T1347] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.559320][ T1347] RSP: 002b:00007ffee7615150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.559539][ T1347] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f10b7d2f08e
[   46.559749][ T1347] RDX: 0000000000000000 RSI: 00007ffee7615200 RDI: 0000000000000005
[   46.559957][ T1347] RBP: 00007ffee7615160 R08: 0000000000000000 R09: 0000000000000000
[   46.560162][ T1347] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf84
[   46.560380][ T1347] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee76158d0
| [   46.672170][ T1350] ------------[ cut here ]------------
| [   46.672392][ T1350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/1350
| [   46.672706][ T1350] Modules linked in: netdevsim
| [   46.673182][ T1350] Tainted: [W]=WARN
[   46.673302][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.674105][ T1350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.674309][ T1350] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.674870][ T1350] RSP: 0018:ffa0000002e37310 EFLAGS: 00010286
[   46.675075][ T1350] RAX: 00000000ffffffa6 RBX: ff11000004f93b40 RCX: 1ff40000005c6e28
[   46.675307][ T1350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93bf0
[   46.675547][ T1350] RBP: ff11000009e2a000 R08: 1fe22000009f277f R09: ff1100000f7051d0
[   46.675783][ T1350] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   46.676012][ T1350] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   46.676242][ T1350] FS:  00007f42d4318840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   46.676526][ T1350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.676721][ T1350] CR2: 00007f42d48cd004 CR3: 000000000ec6e001 CR4: 0000000000771ef0
[   46.676954][ T1350] PKRU: 55555554
[   46.677070][ T1350] Call Trace:
[   46.677188][ T1350]  <TASK>
[   46.677268][ T1350]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   46.677474][ T1350]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   46.677666][ T1350]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   46.677828][ T1350]  ? netdev_run_todo (net/core/dev.c:11703)
[   46.677982][ T1350]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.678139][ T1350]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   46.678293][ T1350]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   46.678457][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.678611][ T1350]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   46.678766][ T1350] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   46.678927][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.679084][ T1350] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   46.679279][ T1350] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   46.679487][ T1350] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   46.679678][ T1350]  devlink_reload (net/devlink/dev.c:462)
[   46.679834][ T1350]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   46.679991][ T1350]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   46.680188][ T1350]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   46.680352][ T1350]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   46.680544][ T1350]  ? __nla_validate_parse (lib/nlattr.c:635)
[   46.680700][ T1350]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   46.680852][ T1350]  ? __nla_parse (lib/nlattr.c:732)
[   46.681010][ T1350]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   46.681167][ T1350]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   46.681372][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.681526][ T1350]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.681682][ T1350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.681841][ T1350]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   46.681998][ T1350]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   46.682190][ T1350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.682393][ T1350]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   46.682548][ T1350]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   46.682703][ T1350]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   46.682861][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.683023][ T1350]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   46.683177][ T1350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.683338][ T1350]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   46.683494][ T1350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.683651][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.683804][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.683963][ T1350]  genl_rcv (net/netlink/genetlink.c:1218)
[   46.684081][ T1350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.684237][ T1350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.684399][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.684556][ T1350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.684713][ T1350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.684869][ T1350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.685030][ T1350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.685185][ T1350]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   46.685350][ T1350]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   46.685521][ T1350]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   46.685676][ T1350]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.685871][ T1350]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   46.686032][ T1350]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   46.686187][ T1350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.686349][ T1350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.686504][ T1350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.686664][ T1350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.686858][ T1350] RIP: 0033:0x7f42d455208e
[   46.687022][ T1350] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.687576][ T1350] RSP: 002b:00007ffe14fa55e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   46.687815][ T1350] RAX: ffffffffffffffda RBX: 000000002aeb9980 RCX: 00007f42d455208e
[   46.688046][ T1350] RDX: 0000000000000038 RSI: 000000002aeb9ba0 RDI: 0000000000000005
[   46.688275][ T1350] RBP: 00007ffe14fa55f0 R08: 00007f42d4806980 R09: 000000000000000c
[   46.688515][ T1350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   46.688748][ T1350] R13: 000000002aeb9980 R14: 0000000000000000 R15: 0000000000000003
| [   46.741913][ T1350] ------------[ cut here ]------------
| [   46.742109][ T1350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/1350
| [   46.742444][ T1350] Modules linked in: netdevsim
| [   46.742935][ T1350] Tainted: [W]=WARN
[   46.743059][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.743257][ T1350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.743483][ T1350] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.744061][ T1350] RSP: 0018:ffa0000002e37268 EFLAGS: 00010286
[   46.744262][ T1350] RAX: 00000000ffffffa6 RBX: ff110000093dfcc0 RCX: 1ff40000005c6e13
[   46.744509][ T1350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dfd70
[   46.744743][ T1350] RBP: ff1100000c3fa000 R08: 1fe220000127bfaf R09: ff1100000f7051d0
[   46.744980][ T1350] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   46.745220][ T1350] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3fa000
[   46.745467][ T1350] FS:  00007f42d4318840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   46.745745][ T1350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.745947][ T1350] CR2: 00007f42d48cd004 CR3: 000000000ec6e001 CR4: 0000000000771ef0
[   46.746186][ T1350] PKRU: 55555554
[   46.746305][ T1350] Call Trace:
[   46.746431][ T1350]  <TASK>
[   46.746513][ T1350]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.746674][ T1350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.746794][ T1350]  register_netdevice (net/core/dev.c:11488)
[   46.746956][ T1350]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   46.747151][ T1350]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   46.747313][ T1350] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   46.747530][ T1350] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   46.747690][ T1350] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   46.747888][ T1350]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   46.748049][ T1350]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   46.748246][ T1350]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   46.748415][ T1350]  ? static_obj (kernel/locking/lockdep.c:858)
[   46.748537][ T1350]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.748703][ T1350]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   46.748906][ T1350] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   46.749106][ T1350]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   46.749302][ T1350]  devlink_reload (net/devlink/dev.c:475)
[   46.749586][ T1350]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   46.749743][ T1350]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   46.749942][ T1350]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   46.750102][ T1350]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   46.750299][ T1350]  ? __nla_validate_parse (lib/nlattr.c:635)
[   46.750588][ T1350]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   46.750745][ T1350]  ? __nla_parse (lib/nlattr.c:732)
[   46.750907][ T1350]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   46.751064][ T1350]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   46.751265][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.751496][ T1350]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.751652][ T1350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.751813][ T1350]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   46.751970][ T1350]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   46.752163][ T1350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.752365][ T1350]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   46.752521][ T1350]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   46.752675][ T1350]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   46.752831][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.752990][ T1350]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   46.753145][ T1350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.753300][ T1350]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   46.753467][ T1350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.753632][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.753790][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.753951][ T1350]  genl_rcv (net/netlink/genetlink.c:1218)
[   46.754069][ T1350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.754231][ T1350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.754398][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.754561][ T1350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.754722][ T1350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.754883][ T1350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.755045][ T1350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.755208][ T1350]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   46.755379][ T1350]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   46.755550][ T1350]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   46.755708][ T1350]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.755904][ T1350]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   46.756064][ T1350]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   46.756220][ T1350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.756383][ T1350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.756539][ T1350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.756699][ T1350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.756897][ T1350] RIP: 0033:0x7f42d455208e
[   46.757064][ T1350] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.757750][ T1350] RSP: 002b:00007ffe14fa55e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   46.757987][ T1350] RAX: ffffffffffffffda RBX: 000000002aeb9980 RCX: 00007f42d455208e
[   46.758227][ T1350] RDX: 0000000000000038 RSI: 000000002aeb9ba0 RDI: 0000000000000005
[   46.758491][ T1350] RBP: 00007ffe14fa55f0 R08: 00007f42d4806980 R09: 000000000000000c
[   46.758730][ T1350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   46.758966][ T1350] R13: 000000002aeb9980 R14: 0000000000000000 R15: 0000000000000003
| [   46.984585][ T1362] ------------[ cut here ]------------
| [   46.984768][ T1362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1362
| [   46.985053][ T1362] Modules linked in: netdevsim
| [   46.985488][ T1362] Tainted: [W]=WARN
[   46.985594][ T1362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.985764][ T1362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.985946][ T1362] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   46.986437][ T1362] RSP: 0018:ffa0000003417010 EFLAGS: 00010286
[   46.986610][ T1362] RAX: 00000000ffffffa6 RBX: ff1100000ed6ef40 RCX: 1ff4000000682dc8
[   46.986809][ T1362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6eff0
[   46.987014][ T1362] RBP: ff1100000c601000 R08: 1fe2200001daddff R09: ff1100000f660b80
[   46.987216][ T1362] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   46.987427][ T1362] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003417100
[   46.987635][ T1362] FS:  00007f94b048c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   46.987871][ T1362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.988044][ T1362] CR2: 0000000004eff988 CR3: 0000000004de5004 CR4: 0000000000771ef0
[   46.988257][ T1362] PKRU: 55555554
[   46.988373][ T1362] Call Trace:
[   46.988474][ T1362]  <TASK>
[   46.988545][ T1362]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.988685][ T1362]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.988787][ T1362]  netif_close_many (net/core/dev.c:1804)
[   46.988927][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.989063][ T1362]  ? __dev_close_many (net/core/dev.c:1781)
[   46.989202][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.989343][ T1362]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   46.989478][ T1362]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.989610][ T1362]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   46.989778][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.989911][ T1362]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   46.990084][ T1362]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.990219][ T1362]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.990361][ T1362]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   46.990528][ T1362]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   46.990661][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.990796][ T1362]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   46.990929][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.991069][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.991210][ T1362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.991352][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.991484][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.991635][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.991769][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.991901][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.992033][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.992165][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.992302][ T1362]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   46.992454][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.992594][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.992727][ T1362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.992861][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.992998][ T1362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   46.993131][ T1362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.993267][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.993410][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.993543][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.993677][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.993809][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.993943][ T1362]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.994076][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.994209][ T1362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.994355][ T1362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.994490][ T1362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.994625][ T1362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.994758][ T1362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.994891][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.995029][ T1362]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.995170][ T1362]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.995307][ T1362]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.995451][ T1362]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.995584][ T1362]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.995720][ T1362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.995895][ T1362]  ? move_addr_to_kernel (net/socket.c:258)
[   46.996035][ T1362]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.996168][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.996306][ T1362]  ___sys_sendmsg (net/socket.c:2752)
[   46.996457][ T1362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.996625][ T1362]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.996769][ T1362]  __sys_sendmsg (net/socket.c:2784)
[   46.996907][ T1362]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.997041][ T1362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.997211][ T1362]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.997363][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.997499][ T1362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.997631][ T1362]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.997764][ T1362]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.997898][ T1362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.998069][ T1362] RIP: 0033:0x7f94b06c608e
[   46.998211][ T1362] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.998692][ T1362] RSP: 002b:00007ffd84178ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.998894][ T1362] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94b06c608e
[   46.999093][ T1362] RDX: 0000000000000000 RSI: 00007ffd84178d90 RDI: 0000000000000005
[   46.999292][ T1362] RBP: 00007ffd84178cf0 R08: 0000000000000000 R09: 0000000000000000
[   46.999499][ T1362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   46.999696][ T1362] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd84179460
| [   47.002448][ T1362] ------------[ cut here ]------------
| [   47.002588][ T1362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1362
| [   47.002838][ T1362] Modules linked in: netdevsim
| [   47.003229][ T1362] Tainted: [W]=WARN
[   47.004098][ T1362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.004264][ T1362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.004440][ T1362] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.004886][ T1362] RSP: 0018:ffa0000003417190 EFLAGS: 00010286
[   47.005044][ T1362] RAX: 00000000ffffffa6 RBX: ff11000004ec0dc0 RCX: 1ff4000000682df8
[   47.005232][ T1362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0e70
[   47.005465][ T1362] RBP: ff1100000c601000 R08: 1fe22000009d81cf R09: ff1100000f660b58
[   47.005654][ T1362] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   47.005841][ T1362] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.006030][ T1362] FS:  00007f94b048c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   47.006252][ T1362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.006422][ T1362] CR2: 0000000004eff988 CR3: 0000000004de5004 CR4: 0000000000771ef0
[   47.006613][ T1362] PKRU: 55555554
[   47.006713][ T1362] Call Trace:
[   47.006807][ T1362]  <TASK>
[   47.006872][ T1362]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.007039][ T1362]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   47.007194][ T1362]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.007323][ T1362]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.007462][ T1362]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   47.007618][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.007750][ T1362]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   47.007878][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.008009][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.008136][ T1362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.008261][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.008399][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.008546][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.008672][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.008803][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.008928][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.009059][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.009186][ T1362]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   47.009317][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.009455][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.009580][ T1362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.009705][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.009844][ T1362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.009976][ T1362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.010104][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.010233][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.010367][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.010496][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.010618][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.010750][ T1362]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.010876][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.011003][ T1362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.011131][ T1362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.011257][ T1362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.011396][ T1362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.011523][ T1362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.011652][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.011779][ T1362]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.011909][ T1362]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.012035][ T1362]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.012164][ T1362]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.012291][ T1362]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.012429][ T1362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.012583][ T1362]  ? move_addr_to_kernel (net/socket.c:258)
[   47.012711][ T1362]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.012841][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.012966][ T1362]  ___sys_sendmsg (net/socket.c:2752)
[   47.013095][ T1362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.013255][ T1362]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.013407][ T1362]  __sys_sendmsg (net/socket.c:2784)
[   47.013537][ T1362]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.013663][ T1362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.013823][ T1362]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.013953][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.014084][ T1362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.014215][ T1362]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.014362][ T1362]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.014536][ T1362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.014738][ T1362] RIP: 0033:0x7f94b06c608e
[   47.014925][ T1362] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.015392][ T1362] RSP: 002b:00007ffd84178ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.015582][ T1362] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94b06c608e
[   47.015771][ T1362] RDX: 0000000000000000 RSI: 00007ffd84178d90 RDI: 0000000000000005
[   47.015963][ T1362] RBP: 00007ffd84178cf0 R08: 0000000000000000 R09: 0000000000000000
[   47.016155][ T1362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   47.016352][ T1362] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd84179460
| [   47.096063][ T1363] ------------[ cut here ]------------
| [   47.096392][ T1363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1363
| [   47.096893][ T1363] Modules linked in: netdevsim
| [   47.097704][ T1363] Tainted: [W]=WARN
[   47.097922][ T1363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.098249][ T1363] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.098603][ T1363] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.099442][ T1363] RSP: 0018:ffa00000034271b0 EFLAGS: 00010286
[   47.099768][ T1363] RAX: 00000000ffffffa6 RBX: ff1100000ed72040 RCX: 1ff4000000684dfc
[   47.100150][ T1363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed720f0
[   47.100553][ T1363] RBP: ff1100000c534000 R08: 1fe2200001dae41f R09: ff1100000c6baea8
[   47.100930][ T1363] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   47.101319][ T1363] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.101728][ T1363] FS:  00007efc0cd67840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   47.102171][ T1363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.102531][ T1363] CR2: 00000000004a77b8 CR3: 000000000c2b7005 CR4: 0000000000771ef0
[   47.102913][ T1363] PKRU: 55555554
[   47.103132][ T1363] Call Trace:
[   47.103372][ T1363]  <TASK>
[   47.103544][ T1363]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.103821][ T1363]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.104099][ T1363]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.104395][ T1363]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.104619][ T1363]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   47.104891][ T1363]  __dev_notify_flags (net/core/dev.c:9787)
[   47.105161][ T1363]  ? netif_change_name (net/core/dev.c:1495)
[   47.105465][ T1363]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   47.105795][ T1363]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   47.106072][ T1363]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   47.106369][ T1363]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   47.106639][ T1363]  ? __dev_get_by_name (net/core/dev.c:883)
[   47.106913][ T1363]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   47.107188][ T1363]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   47.107482][ T1363]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.107757][ T1363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.108028][ T1363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.108299][ T1363]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.108592][ T1363]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.108866][ T1363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.109145][ T1363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.109443][ T1363]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.109716][ T1363]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.109991][ T1363]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.110265][ T1363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.110562][ T1363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.110842][ T1363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.111112][ T1363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.111410][ T1363]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.111681][ T1363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.111953][ T1363]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.112233][ T1363]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.112536][ T1363]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.112816][ T1363]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.113095][ T1363]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.113392][ T1363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.113671][ T1363]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.113949][ T1363]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.114227][ T1363]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.114520][ T1363]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.114790][ T1363]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.115060][ T1363]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.115403][ T1363]  ? move_addr_to_kernel (net/socket.c:258)
[   47.115680][ T1363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.115950][ T1363]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   47.116230][ T1363]  ___sys_sendmsg (net/socket.c:2752)
[   47.116535][ T1363]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   47.116810][ T1363]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.117092][ T1363]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   47.117393][ T1363]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   47.117675][ T1363]  __sys_sendmsg (net/socket.c:2784)
[   47.117948][ T1363]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.118229][ T1363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.118527][ T1363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.118807][ T1363]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.119083][ T1363]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.119378][ T1363]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.119657][ T1363]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.119981][ T1363] RIP: 0033:0x7efc0cfa108e
[   47.120268][ T1363] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.121107][ T1363] RSP: 002b:00007ffd20aa65a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.121509][ T1363] RAX: ffffffffffffffda RBX: 00007ffd20aa6d50 RCX: 00007efc0cfa108e
[   47.121885][ T1363] RDX: 0000000000000000 RSI: 00007ffd20aa6650 RDI: 0000000000000005
[   47.122261][ T1363] RBP: 00007ffd20aa65b0 R08: 0000000000000000 R09: 0000000000000000
[   47.122660][ T1363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   47.123028][ T1363] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd20aa6d20
| [   47.166495][ T1364] ------------[ cut here ]------------
| [   47.166665][ T1364] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1364
| [   47.166940][ T1364] Modules linked in: netdevsim
| [   47.167393][ T1364] Tainted: [W]=WARN
[   47.167509][ T1364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.167679][ T1364] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.167859][ T1364] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.168357][ T1364] RSP: 0018:ffa0000003437020 EFLAGS: 00010286
[   47.168531][ T1364] RAX: 00000000ffffffa6 RBX: ff1100000ed72f40 RCX: 1ff4000000686dca
[   47.168733][ T1364] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed72ff0
[   47.168934][ T1364] RBP: ff1100000c534000 R08: 1fe2200001dae5ff R09: ff1100000c6b8b80
[   47.169138][ T1364] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   47.169456][ T1364] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.169719][ T1364] FS:  00007f13adf22840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   47.169961][ T1364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.170132][ T1364] CR2: 00007f13ae1f21a0 CR3: 000000000f512006 CR4: 0000000000771ef0
[   47.170436][ T1364] PKRU: 55555554
[   47.170542][ T1364] Call Trace:
[   47.170643][ T1364]  <TASK>
[   47.170714][ T1364]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.170855][ T1364]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.170959][ T1364]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.171107][ T1364]  __dev_notify_flags (net/core/dev.c:9787)
[   47.171314][ T1364]  ? netif_change_name (net/core/dev.c:1495)
[   47.171657][ T1364]  ? __dev_change_flags (net/core/dev.c:9752)
[   47.171869][ T1364]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   47.172060][ T1364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.172198][ T1364]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   47.172445][ T1364]  netif_change_flags (net/core/dev.c:9820)
[   47.172588][ T1364]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   47.172732][ T1364]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   47.172867][ T1364]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.173036][ T1364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.173178][ T1364]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.173314][ T1364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.173541][ T1364]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.173679][ T1364]  ? __kernel_text_address (kernel/extable.c:79)
[   47.173821][ T1364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.173960][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.174097][ T1364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.174233][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.174461][ T1364]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.174595][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.174728][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.174861][ T1364]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.174997][ T1364]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   47.175132][ T1364]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   47.175265][ T1364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.175414][ T1364]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   47.175556][ T1364]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   47.175693][ T1364]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.175829][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.175967][ T1364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.176110][ T1364]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.176244][ T1364]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.176391][ T1364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.176531][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.176665][ T1364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.176798][ T1364]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.176931][ T1364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.177068][ T1364]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.177202][ T1364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.177347][ T1364]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.177484][ T1364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.177622][ T1364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.177766][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.177900][ T1364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.178038][ T1364]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.178178][ T1364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.178312][ T1364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.178464][ T1364]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.178601][ T1364]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.178739][ T1364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.178872][ T1364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.179009][ T1364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.179150][ T1364]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.179285][ T1364]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.179451][ T1364]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.179595][ T1364]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.179738][ T1364]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.179872][ T1364]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.180041][ T1364]  ? move_addr_to_kernel (net/socket.c:258)
[   47.180183][ T1364]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.180335][ T1364]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.180476][ T1364]  ___sys_sendmsg (net/socket.c:2752)
[   47.180614][ T1364]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.180794][ T1364]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.180944][ T1364]  __sys_sendmsg (net/socket.c:2784)
[   47.181079][ T1364]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.181214][ T1364]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.181398][ T1364]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.181532][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.181669][ T1364]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.181803][ T1364]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.181944][ T1364]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.182081][ T1364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.182248][ T1364] RIP: 0033:0x7f13ae15c08e
[   47.182403][ T1364] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.182884][ T1364] RSP: 002b:00007ffcf7e80a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.183092][ T1364] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13ae15c08e
[   47.183301][ T1364] RDX: 0000000000000000 RSI: 00007ffcf7e80ae0 RDI: 0000000000000005
[   47.183521][ T1364] RBP: 00007ffcf7e80a40 R08: 0000000000000000 R09: 0000000000000000
[   47.183729][ T1364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   47.183932][ T1364] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf7e811b0
| [   47.290089][ T1367] ------------[ cut here ]------------
| [   47.290425][ T1367] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1367
| [   47.290978][ T1367] Modules linked in: netdevsim
| [   47.291847][ T1367] Tainted: [W]=WARN
[   47.292084][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.292466][ T1367] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.292838][ T1367] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.293752][ T1367] RSP: 0018:ffa0000003467310 EFLAGS: 00010286
[   47.294115][ T1367] RAX: 00000000ffffffa6 RBX: ff11000004b0bb40 RCX: 1ff400000068ce28
[   47.294558][ T1367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0bbf0
[   47.294979][ T1367] RBP: ff1100000c3fa000 R08: 1fe220000096177f R09: ff1100000904d1d0
[   47.295403][ T1367] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   47.295813][ T1367] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.296227][ T1367] FS:  00007f9ec512a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   47.296734][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.297091][ T1367] CR2: 00007f9ec56df004 CR3: 000000000f6a5002 CR4: 0000000000771ef0
[   47.297523][ T1367] PKRU: 55555554
[   47.297759][ T1367] Call Trace:
[   47.297998][ T1367]  <TASK>
[   47.298181][ T1367]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.298568][ T1367]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   47.298930][ T1367]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   47.299235][ T1367]  ? netdev_run_todo (net/core/dev.c:11703)
[   47.299560][ T1367]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.299860][ T1367]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   47.300157][ T1367]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   47.300476][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.300777][ T1367]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   47.301082][ T1367] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   47.301406][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.301707][ T1367] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   47.302072][ T1367] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   47.302453][ T1367] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   47.302802][ T1367]  devlink_reload (net/devlink/dev.c:462)
[   47.303106][ T1367]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   47.303432][ T1367]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   47.303789][ T1367]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   47.304079][ T1367]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   47.304445][ T1367]  ? __nla_validate_parse (lib/nlattr.c:635)
[   47.304757][ T1367]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.305056][ T1367]  ? __nla_parse (lib/nlattr.c:732)
[   47.305388][ T1367]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   47.305686][ T1367]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   47.306043][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.306362][ T1367]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.306664][ T1367]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.306964][ T1367]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   47.307260][ T1367]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   47.307647][ T1367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.308000][ T1367]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   47.308294][ T1367]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.308611][ T1367]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   47.308902][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.309216][ T1367]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   47.309547][ T1367]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.309862][ T1367]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   47.310165][ T1367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.310510][ T1367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.310814][ T1367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.311117][ T1367]  genl_rcv (net/netlink/genetlink.c:1218)
[   47.311381][ T1367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.311688][ T1367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.311996][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.312305][ T1367]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.312630][ T1367]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.312938][ T1367]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.313239][ T1367]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.313563][ T1367]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   47.313866][ T1367]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   47.314190][ T1367]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   47.314519][ T1367]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.314876][ T1367]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   47.315176][ T1367]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   47.315496][ T1367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.315791][ T1367]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.316086][ T1367]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.316409][ T1367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.316770][ T1367] RIP: 0033:0x7f9ec536408e
[   47.317083][ T1367] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.318005][ T1367] RSP: 002b:00007ffc5818c920 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   47.318453][ T1367] RAX: ffffffffffffffda RBX: 0000000017c80980 RCX: 00007f9ec536408e
[   47.318875][ T1367] RDX: 0000000000000038 RSI: 0000000017c80ba0 RDI: 0000000000000005
[   47.319291][ T1367] RBP: 00007ffc5818c930 R08: 00007f9ec5618980 R09: 000000000000000c
[   47.319724][ T1367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   47.320136][ T1367] R13: 0000000017c80980 R14: 0000000000000000 R15: 0000000000000003
| [   47.384877][ T1367] ------------[ cut here ]------------
| [   47.385245][ T1367] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1367
| [   47.385817][ T1367] Modules linked in: netdevsim
| [   47.386727][ T1367] Tainted: [W]=WARN
[   47.386968][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.387352][ T1367] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.387746][ T1367] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.388676][ T1367] RSP: 0018:ffa0000003467268 EFLAGS: 00010286
[   47.389039][ T1367] RAX: 00000000ffffffa6 RBX: ff110000093df3c0 RCX: 1ff400000068ce13
[   47.389464][ T1367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093df470
[   47.389877][ T1367] RBP: ff1100000ce7a000 R08: 1fe220000127be8f R09: ff1100000904d1d0
[   47.390285][ T1367] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   47.390733][ T1367] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce7a000
[   47.391158][ T1367] FS:  00007f9ec512a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   47.391669][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.392029][ T1367] CR2: 00007f9ec56df004 CR3: 000000000f6a5002 CR4: 0000000000771ef0
[   47.392472][ T1367] PKRU: 55555554
[   47.392717][ T1367] Call Trace:
[   47.392957][ T1367]  <TASK>
[   47.393142][ T1367]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.393474][ T1367]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.393722][ T1367]  register_netdevice (net/core/dev.c:11488)
[   47.394028][ T1367]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   47.394406][ T1367]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   47.394715][ T1367] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   47.395092][ T1367] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   47.395423][ T1367] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   47.395786][ T1367]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   47.396096][ T1367]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   47.396501][ T1367]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   47.396802][ T1367]  ? static_obj (kernel/locking/lockdep.c:858)
[   47.397046][ T1367]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.397375][ T1367]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   47.397758][ T1367] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   47.398125][ T1367]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   47.398510][ T1367]  devlink_reload (net/devlink/dev.c:475)
[   47.398820][ T1367]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   47.399123][ T1367]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   47.399512][ T1367]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   47.399815][ T1367]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   47.400190][ T1367]  ? __nla_validate_parse (lib/nlattr.c:635)
[   47.400515][ T1367]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.400819][ T1367]  ? __nla_parse (lib/nlattr.c:732)
[   47.401126][ T1367]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   47.401457][ T1367]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   47.401825][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.402128][ T1367]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.402457][ T1367]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.402768][ T1367]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   47.403071][ T1367]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   47.403454][ T1367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.403820][ T1367]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   47.404123][ T1367]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.404450][ T1367]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   47.404748][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.405064][ T1367]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   47.405391][ T1367]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.405690][ T1367]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   47.405986][ T1367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.406276][ T1367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.406594][ T1367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.406900][ T1367]  genl_rcv (net/netlink/genetlink.c:1218)
[   47.407131][ T1367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.407447][ T1367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.407729][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.408029][ T1367]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.408350][ T1367]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.408654][ T1367]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.408960][ T1367]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.409250][ T1367]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   47.409579][ T1367]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   47.409899][ T1367]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   47.410194][ T1367]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.410573][ T1367]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   47.410867][ T1367]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   47.411157][ T1367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.411482][ T1367]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.411777][ T1367]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.412071][ T1367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.412444][ T1367] RIP: 0033:0x7f9ec536408e
[   47.412757][ T1367] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.413640][ T1367] RSP: 002b:00007ffc5818c920 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   47.414041][ T1367] RAX: ffffffffffffffda RBX: 0000000017c80980 RCX: 00007f9ec536408e
[   47.414465][ T1367] RDX: 0000000000000038 RSI: 0000000017c80ba0 RDI: 0000000000000005
[   47.414861][ T1367] RBP: 00007ffc5818c930 R08: 00007f9ec5618980 R09: 000000000000000c
[   47.415262][ T1367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   47.415680][ T1367] R13: 0000000017c80980 R14: 0000000000000000 R15: 0000000000000003
| [   47.601427][ T1378] ------------[ cut here ]------------
| [   47.601632][ T1378] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1378
| [   47.601909][ T1378] Modules linked in: netdevsim
| [   47.602358][ T1378] Tainted: [W]=WARN
[   47.602461][ T1378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.602632][ T1378] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.602809][ T1378] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.603283][ T1378] RSP: 0018:ffa00000034a7010 EFLAGS: 00010286
[   47.603468][ T1378] RAX: 00000000ffffffa6 RBX: ff1100000dfff240 RCX: 1ff4000000694dc8
[   47.603670][ T1378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dfff2f0
[   47.603871][ T1378] RBP: ff1100000c534000 R08: 1fe2200001bffe5f R09: ff1100000ef45180
[   47.604080][ T1378] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   47.604281][ T1378] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000034a7100
[   47.604493][ T1378] FS:  00007f1a5782c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   47.604734][ T1378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.604904][ T1378] CR2: 000000001122b988 CR3: 000000000f6a5001 CR4: 0000000000771ef0
[   47.605105][ T1378] PKRU: 55555554
[   47.605206][ T1378] Call Trace:
[   47.605306][ T1378]  <TASK>
[   47.605385][ T1378]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.605524][ T1378]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.605626][ T1378]  netif_close_many (net/core/dev.c:1804)
[   47.605761][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.605900][ T1378]  ? __dev_close_many (net/core/dev.c:1781)
[   47.606040][ T1378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.606181][ T1378]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   47.606317][ T1378]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.606461][ T1378]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   47.606629][ T1378]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.606792][ T1378]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   47.606966][ T1378]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.607101][ T1378]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.607233][ T1378]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   47.607417][ T1378]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   47.607551][ T1378]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.607687][ T1378]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   47.607825][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.607958][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.608097][ T1378]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.608231][ T1378]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.608976][ T1378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.609133][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.609269][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.609507][ T1378]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.609725][ T1378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.609860][ T1378]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.609998][ T1378]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   47.610141][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.610274][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.610513][ T1378]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.610651][ T1378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.610786][ T1378]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.610923][ T1378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.611060][ T1378]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.611195][ T1378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.611426][ T1378]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.611565][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.611699][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.611834][ T1378]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.611969][ T1378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.612107][ T1378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.612247][ T1378]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.612453][ T1378]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.612587][ T1378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.612722][ T1378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.612856][ T1378]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.612992][ T1378]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.613126][ T1378]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.613261][ T1378]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.613412][ T1378]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.613548][ T1378]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.613682][ T1378]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.613847][ T1378]  ? move_addr_to_kernel (net/socket.c:258)
[   47.613982][ T1378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.614116][ T1378]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.614251][ T1378]  ___sys_sendmsg (net/socket.c:2752)
[   47.614396][ T1378]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.614567][ T1378]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.614715][ T1378]  __sys_sendmsg (net/socket.c:2784)
[   47.614849][ T1378]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.614982][ T1378]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.615150][ T1378]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.615286][ T1378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.615433][ T1378]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.615566][ T1378]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.615700][ T1378]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.615838][ T1378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.616003][ T1378] RIP: 0033:0x7f1a57a6608e
[   47.616153][ T1378] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.616643][ T1378] RSP: 002b:00007fff239ff100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.616848][ T1378] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1a57a6608e
[   47.617049][ T1378] RDX: 0000000000000000 RSI: 00007fff239ff1b0 RDI: 0000000000000005
[   47.617249][ T1378] RBP: 00007fff239ff110 R08: 0000000000000000 R09: 0000000000000000
[   47.617469][ T1378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   47.617675][ T1378] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff239ff880
| [   47.621074][ T1378] ------------[ cut here ]------------
| [   47.621227][ T1378] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1378
| [   47.621502][ T1378] Modules linked in: netdevsim
| [   47.621959][ T1378] Tainted: [W]=WARN
[   47.622055][ T1378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.622212][ T1378] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.622396][ T1378] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.622854][ T1378] RSP: 0018:ffa00000034a7190 EFLAGS: 00010286
[   47.623016][ T1378] RAX: 00000000ffffffa6 RBX: ff11000004e1c4c0 RCX: 1ff4000000694df8
[   47.623207][ T1378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1c570
[   47.623424][ T1378] RBP: ff1100000c534000 R08: 1fe22000009c38af R09: ff1100000ef45158
[   47.623615][ T1378] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   47.623809][ T1378] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.624001][ T1378] FS:  00007f1a5782c840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   47.624231][ T1378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.624469][ T1378] CR2: 000000001122b988 CR3: 000000000f6a5001 CR4: 0000000000771ef0
[   47.624661][ T1378] PKRU: 55555554
[   47.624755][ T1378] Call Trace:
[   47.624852][ T1378]  <TASK>
[   47.624918][ T1378]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.625080][ T1378]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   47.625238][ T1378]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.625377][ T1378]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.625505][ T1378]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   47.625662][ T1378]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.625789][ T1378]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   47.625917][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.626041][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.626171][ T1378]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.626302][ T1378]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.626438][ T1378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.626582][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.626705][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.626830][ T1378]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.626986][ T1378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.627110][ T1378]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.627240][ T1378]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   47.627380][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.627512][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.627635][ T1378]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.627759][ T1378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.627891][ T1378]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   47.628017][ T1378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.628143][ T1378]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.628289][ T1378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.628427][ T1378]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.628554][ T1378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.628679][ T1378]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.628810][ T1378]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.628935][ T1378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.629093][ T1378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.629224][ T1378]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.629440][ T1378]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.629672][ T1378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.629826][ T1378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.629949][ T1378]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.630077][ T1378]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.630202][ T1378]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.630404][ T1378]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.630531][ T1378]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.630662][ T1378]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.630786][ T1378]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.630943][ T1378]  ? move_addr_to_kernel (net/socket.c:258)
[   47.631071][ T1378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.631201][ T1378]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.631400][ T1378]  ___sys_sendmsg (net/socket.c:2752)
[   47.631530][ T1378]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.631688][ T1378]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.631831][ T1378]  __sys_sendmsg (net/socket.c:2784)
[   47.631957][ T1378]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.632081][ T1378]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.632238][ T1378]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.632427][ T1378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.632557][ T1378]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.632684][ T1378]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.632809][ T1378]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.632937][ T1378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.633095][ T1378] RIP: 0033:0x7f1a57a6608e
[   47.633227][ T1378] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.633741][ T1378] RSP: 002b:00007fff239ff100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.633932][ T1378] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1a57a6608e
[   47.634118][ T1378] RDX: 0000000000000000 RSI: 00007fff239ff1b0 RDI: 0000000000000005
[   47.634391][ T1378] RBP: 00007fff239ff110 R08: 0000000000000000 R09: 0000000000000000
[   47.634583][ T1378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   47.634771][ T1378] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff239ff880
| [   47.701430][ T1379] ------------[ cut here ]------------
| [   47.701659][ T1379] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1379
| [   47.702064][ T1379] Modules linked in: netdevsim
| [   47.702616][ T1379] Tainted: [W]=WARN
[   47.702770][ T1379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.703038][ T1379] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.703546][ T1379] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.704444][ T1379] RSP: 0018:ffa00000034b71b0 EFLAGS: 00010286
[   47.704887][ T1379] RAX: 00000000ffffffa6 RBX: ff11000004e1d840 RCX: 1ff4000000696dfc
[   47.705372][ T1379] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1d8f0
[   47.705870][ T1379] RBP: ff11000004f81000 R08: 1fe22000009c3b1f R09: ff11000008e20ba8
[   47.706598][ T1379] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   47.707091][ T1379] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.707493][ T1379] FS:  00007f3e61594840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   47.707928][ T1379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.708253][ T1379] CR2: 00000000004a77b8 CR3: 000000000f6f4001 CR4: 0000000000771ef0
[   47.708638][ T1379] PKRU: 55555554
[   47.708845][ T1379] Call Trace:
[   47.709052][ T1379]  <TASK>
[   47.709212][ T1379]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.709483][ T1379]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.709677][ T1379]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.709865][ T1379]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.710019][ T1379]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   47.710204][ T1379]  __dev_notify_flags (net/core/dev.c:9787)
[   47.710414][ T1379]  ? netif_change_name (net/core/dev.c:1495)
[   47.710602][ T1379]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   47.710822][ T1379]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   47.711015][ T1379]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   47.711201][ T1379]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   47.711408][ T1379]  ? __dev_get_by_name (net/core/dev.c:883)
[   47.711594][ T1379]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   47.711785][ T1379]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   47.711975][ T1379]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.712161][ T1379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.712390][ T1379]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.712581][ T1379]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.712769][ T1379]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.712956][ T1379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.713148][ T1379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.713354][ T1379]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.713541][ T1379]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.713725][ T1379]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.713911][ T1379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.714100][ T1379]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.714288][ T1379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.714492][ T1379]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.714682][ T1379]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.714941][ T1379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.715207][ T1379]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.715501][ T1379]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.715761][ T1379]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.715969][ T1379]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.716198][ T1379]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.716441][ T1379]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.716644][ T1379]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.716834][ T1379]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.717019][ T1379]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.717255][ T1379]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.717496][ T1379]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.717683][ T1379]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.717900][ T1379]  ? move_addr_to_kernel (net/socket.c:258)
[   47.718086][ T1379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.718277][ T1379]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   47.718487][ T1379]  ___sys_sendmsg (net/socket.c:2752)
[   47.718677][ T1379]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   47.718866][ T1379]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.719128][ T1379]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   47.719320][ T1379]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   47.719537][ T1379]  __sys_sendmsg (net/socket.c:2784)
[   47.719728][ T1379]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.719983][ T1379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.720175][ T1379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.720386][ T1379]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.720572][ T1379]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.720758][ T1379]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.720993][ T1379]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.721278][ T1379] RIP: 0033:0x7f3e617ce08e
[   47.721540][ T1379] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.722077][ T1379] RSP: 002b:00007ffd1a73f250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.722359][ T1379] RAX: ffffffffffffffda RBX: 00007ffd1a73fa00 RCX: 00007f3e617ce08e
[   47.722669][ T1379] RDX: 0000000000000000 RSI: 00007ffd1a73f300 RDI: 0000000000000005
[   47.722926][ T1379] RBP: 00007ffd1a73f260 R08: 0000000000000000 R09: 0000000000000000
[   47.723180][ T1379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   47.723458][ T1379] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1a73f9d0
| [   47.763921][ T1380] ------------[ cut here ]------------
| [   47.764217][ T1380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1380
| [   47.765109][ T1380] Modules linked in: netdevsim
| [   47.765695][ T1380] Tainted: [W]=WARN
[   47.765882][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.766102][ T1380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.766351][ T1380] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.766872][ T1380] RSP: 0018:ffa00000034c7020 EFLAGS: 00010286
[   47.767091][ T1380] RAX: 00000000ffffffa6 RBX: ff11000004ec04c0 RCX: 1ff4000000698dca
[   47.767362][ T1380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0570
[   47.767611][ T1380] RBP: ff11000004f81000 R08: 1fe22000009d80af R09: ff11000008e25180
[   47.767857][ T1380] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   47.768103][ T1380] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.768374][ T1380] FS:  00007f842daac840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   47.768660][ T1380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.768875][ T1380] CR2: 000000003639f988 CR3: 000000000f52b003 CR4: 0000000000771ef0
[   47.769126][ T1380] PKRU: 55555554
[   47.769276][ T1380] Call Trace:
[   47.769451][ T1380]  <TASK>
[   47.769575][ T1380]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   47.769762][ T1380]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.769948][ T1380]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.770099][ T1380]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.770282][ T1380]  __dev_notify_flags (net/core/dev.c:9787)
[   47.770490][ T1380]  ? netif_change_name (net/core/dev.c:1495)
[   47.770672][ T1380]  ? __dev_change_flags (net/core/dev.c:9752)
[   47.770859][ T1380]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   47.771041][ T1380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.771224][ T1380]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   47.771464][ T1380]  netif_change_flags (net/core/dev.c:9820)
[   47.771663][ T1380]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   47.771848][ T1380]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   47.772032][ T1380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.772351][ T1380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.772540][ T1380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.772724][ T1380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.772910][ T1380]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.773091][ T1380]  ? __kernel_text_address (kernel/extable.c:79)
[   47.773274][ T1380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.773487][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.773669][ T1380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.773853][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.774044][ T1380]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.774296][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.774581][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.774826][ T1380]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.775012][ T1380]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   47.775202][ T1380]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   47.775410][ T1380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.775601][ T1380]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   47.775790][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   47.775974][ T1380]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.776159][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.776360][ T1380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.776548][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.776735][ T1380]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.776922][ T1380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.777114][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.777295][ T1380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.777500][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.777682][ T1380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.777867][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.778054][ T1380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.778235][ T1380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.778498][ T1380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.778699][ T1380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.778887][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.779067][ T1380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.779252][ T1380]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.779454][ T1380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.779642][ T1380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.779832][ T1380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.780015][ T1380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.780201][ T1380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.780408][ T1380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.780592][ T1380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.780774][ T1380]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.780981][ T1380]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.781240][ T1380]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.781469][ T1380]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.781655][ T1380]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.781835][ T1380]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.782050][ T1380]  ? move_addr_to_kernel (net/socket.c:258)
[   47.782233][ T1380]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.782440][ T1380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.782631][ T1380]  ___sys_sendmsg (net/socket.c:2752)
[   47.782869][ T1380]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.783109][ T1380]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.783302][ T1380]  __sys_sendmsg (net/socket.c:2784)
[   47.783505][ T1380]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.783686][ T1380]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.783905][ T1380]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.784100][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.784285][ T1380]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.784489][ T1380]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.784673][ T1380]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.784858][ T1380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.785075][ T1380] RIP: 0033:0x7f842dce608e
[   47.785269][ T1380] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.785821][ T1380] RSP: 002b:00007ffd2172b5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.786072][ T1380] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f842dce608e
[   47.786345][ T1380] RDX: 0000000000000000 RSI: 00007ffd2172b680 RDI: 0000000000000005
[   47.786597][ T1380] RBP: 00007ffd2172b5e0 R08: 0000000000000000 R09: 0000000000000000
[   47.786851][ T1380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf85
[   47.787110][ T1380] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2172bd50
| [   47.892052][ T1383] ------------[ cut here ]------------
| [   47.892291][ T1383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1383
| [   47.892675][ T1383] Modules linked in: netdevsim
| [   47.893249][ T1383] Tainted: [W]=WARN
[   47.893431][ T1383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.893673][ T1383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.893926][ T1383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.895397][ T1383] RSP: 0018:ffa00000034f7310 EFLAGS: 00010286
[   47.895761][ T1383] RAX: 00000000ffffffa6 RBX: ff11000004b0b540 RCX: 1ff400000069ee28
[   47.896148][ T1383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0b5f0
[   47.896528][ T1383] RBP: ff1100000ce7a000 R08: 1fe22000009616bf R09: ff1100000ae68bd0
[   47.896854][ T1383] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   47.897125][ T1383] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.897439][ T1383] FS:  00007f68bfa6f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   47.897895][ T1383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.898242][ T1383] CR2: 00007f68c0024004 CR3: 000000000f7a7002 CR4: 0000000000771ef0
[   47.898655][ T1383] PKRU: 55555554
[   47.898880][ T1383] Call Trace:
[   47.899072][ T1383]  <TASK>
[   47.899202][ T1383]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.899470][ T1383]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   47.899717][ T1383]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   47.899925][ T1383]  ? netdev_run_todo (net/core/dev.c:11703)
[   47.900125][ T1383]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.900351][ T1383]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   47.900558][ T1383]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   47.900758][ T1383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.900961][ T1383]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   47.901167][ T1383] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   47.901394][ T1383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.901600][ T1383] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   47.901842][ T1383] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   47.902084][ T1383] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   47.902346][ T1383]  devlink_reload (net/devlink/dev.c:462)
[   47.902553][ T1383]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   47.902758][ T1383]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   47.902999][ T1383]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   47.903200][ T1383]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   47.903456][ T1383]  ? __nla_validate_parse (lib/nlattr.c:635)
[   47.903659][ T1383]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.903862][ T1383]  ? __nla_parse (lib/nlattr.c:732)
[   47.904067][ T1383]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   47.904278][ T1383]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   47.904541][ T1383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.904745][ T1383]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.904948][ T1383]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.905155][ T1383]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   47.905376][ T1383]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   47.905623][ T1383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.905863][ T1383]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   47.906066][ T1383]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.906273][ T1383]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   47.906500][ T1383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.906713][ T1383]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   47.906917][ T1383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.907120][ T1383]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   47.907350][ T1383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.907559][ T1383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.907762][ T1383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.907968][ T1383]  genl_rcv (net/netlink/genetlink.c:1218)
[   47.908133][ T1383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.908359][ T1383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.908561][ T1383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.908775][ T1383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.908986][ T1383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.909193][ T1383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.909425][ T1383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.909632][ T1383]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   47.909838][ T1383]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   47.910053][ T1383]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   47.910256][ T1383]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.910526][ T1383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   47.910733][ T1383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   47.910932][ T1383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.911137][ T1383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.911360][ T1383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.911565][ T1383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.911803][ T1383] RIP: 0033:0x7f68bfca908e
[   47.912020][ T1383] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.912635][ T1383] RSP: 002b:00007ffd34511f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   47.912917][ T1383] RAX: ffffffffffffffda RBX: 000000000c45b980 RCX: 00007f68bfca908e
[   47.913198][ T1383] RDX: 0000000000000038 RSI: 000000000c45bba0 RDI: 0000000000000005
[   47.913497][ T1383] RBP: 00007ffd34511fa0 R08: 00007f68bff5d980 R09: 000000000000000c
[   47.913773][ T1383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   47.914047][ T1383] R13: 000000000c45b980 R14: 0000000000000000 R15: 0000000000000003
| [   47.969673][ T1383] ------------[ cut here ]------------
| [   47.969873][ T1383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/1383
| [   47.970197][ T1383] Modules linked in: netdevsim
| [   47.970701][ T1383] Tainted: [W]=WARN
[   47.970828][ T1383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.971031][ T1383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.971237][ T1383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.972195][ T1383] RSP: 0018:ffa00000034f7268 EFLAGS: 00010286
[   47.972410][ T1383] RAX: 00000000ffffffa6 RBX: ff1100000f5659c0 RCX: 1ff400000069ee13
[   47.972642][ T1383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f565a70
[   47.972871][ T1383] RBP: ff1100000cd42000 R08: 1fe2200001eacb4f R09: ff1100000ae68bd0
[   47.973107][ T1383] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   47.973360][ T1383] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cd42000
[   47.973600][ T1383] FS:  00007f68bfa6f840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   47.973881][ T1383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.974085][ T1383] CR2: 00005597be0f5b48 CR3: 000000000f7a7006 CR4: 0000000000771ef0
[   47.974337][ T1383] PKRU: 55555554
[   47.974458][ T1383] Call Trace:
[   47.974577][ T1383]  <TASK>
[   47.974659][ T1383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.974825][ T1383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.974947][ T1383]  register_netdevice (net/core/dev.c:11488)
[   47.975106][ T1383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   47.975301][ T1383]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   47.975489][ T1383] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   47.975697][ T1383] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   47.975856][ T1383] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   47.976060][ T1383]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   47.976218][ T1383]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   47.976426][ T1383]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   47.976580][ T1383]  ? static_obj (kernel/locking/lockdep.c:858)
[   47.976699][ T1383]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.976859][ T1383]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   47.977057][ T1383] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   47.977252][ T1383]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   47.977463][ T1383]  devlink_reload (net/devlink/dev.c:475)
[   47.977620][ T1383]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   47.977778][ T1383]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   47.977977][ T1383]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   47.978134][ T1383]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   47.978337][ T1383]  ? __nla_validate_parse (lib/nlattr.c:635)
[   47.978494][ T1383]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.978651][ T1383]  ? __nla_parse (lib/nlattr.c:732)
[   47.978811][ T1383]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   47.978972][ T1383]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   47.979167][ T1383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.979321][ T1383]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.979492][ T1383]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.979654][ T1383]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   47.979815][ T1383]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   47.980019][ T1383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.980214][ T1383]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   47.980400][ T1383]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   47.980560][ T1383]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   47.980714][ T1383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.980872][ T1383]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   47.981030][ T1383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.981186][ T1383]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   47.981359][ T1383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.981518][ T1383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.981671][ T1383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.981828][ T1383]  genl_rcv (net/netlink/genetlink.c:1218)
[   47.981945][ T1383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.982101][ T1383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.982254][ T1383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.982433][ T1383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.982591][ T1383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.982753][ T1383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.982915][ T1383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.983082][ T1383]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   47.983245][ T1383]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   47.983428][ T1383]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   47.983583][ T1383]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.983782][ T1383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   47.983941][ T1383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   47.984104][ T1383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.984276][ T1383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.984457][ T1383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.984615][ T1383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.984812][ T1383] RIP: 0033:0x7f68bfca908e
[   47.984984][ T1383] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.985557][ T1383] RSP: 002b:00007ffd34511f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   47.985793][ T1383] RAX: ffffffffffffffda RBX: 000000000c45b980 RCX: 00007f68bfca908e
[   47.986030][ T1383] RDX: 0000000000000038 RSI: 000000000c45bba0 RDI: 0000000000000005
[   47.986265][ T1383] RBP: 00007ffd34511fa0 R08: 00007f68bff5d980 R09: 000000000000000c
[   47.986507][ T1383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   47.986741][ T1383] R13: 000000000c45b980 R14: 0000000000000000 R15: 0000000000000003
| [   48.218030][ T1394] ------------[ cut here ]------------
| [   48.218285][ T1394] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1394
| [   48.219781][ T1394] Modules linked in: netdevsim
| [   48.220463][ T1394] Tainted: [W]=WARN
[   48.220627][ T1394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.220897][ T1394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.221174][ T1394] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.221951][ T1394] RSP: 0018:ffa0000003507010 EFLAGS: 00010286
[   48.222225][ T1394] RAX: 00000000ffffffa6 RBX: ff110000093de7c0 RCX: 1ff40000006a0dc8
[   48.222555][ T1394] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093de870
[   48.222833][ T1394] RBP: ff11000004f81000 R08: 1fe220000127bd0f R09: ff1100000cc9ae80
[   48.223110][ T1394] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   48.223437][ T1394] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003507100
[   48.223762][ T1394] FS:  00007efdb3538840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   48.224142][ T1394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.224427][ T1394] CR2: 000000000f0ce988 CR3: 000000000f7af002 CR4: 0000000000771ef0
[   48.224753][ T1394] PKRU: 55555554
[   48.224913][ T1394] Call Trace:
[   48.225075][ T1394]  <TASK>
[   48.225188][ T1394]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.225425][ T1394]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.225587][ T1394]  netif_close_many (net/core/dev.c:1804)
[   48.225798][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.226020][ T1394]  ? __dev_close_many (net/core/dev.c:1781)
[   48.226238][ T1394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.226466][ T1394]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.226682][ T1394]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.226891][ T1394]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   48.227160][ T1394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.227391][ T1394]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.227653][ T1394]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.227892][ T1394]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.228105][ T1394]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.228386][ T1394]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   48.228598][ T1394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.228816][ T1394]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   48.229032][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.229244][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.229472][ T1394]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   48.229683][ T1394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.229898][ T1394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.230154][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.230380][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.230593][ T1394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.230805][ T1394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.231018][ T1394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.231236][ T1394]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   48.231470][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.231684][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.231896][ T1394]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   48.232110][ T1394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.232339][ T1394]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   48.232559][ T1394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   48.232771][ T1394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.232986][ T1394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.233199][ T1394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.233434][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.233647][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.233864][ T1394]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   48.234076][ T1394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.234290][ T1394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.234519][ T1394]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.234735][ T1394]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.234953][ T1394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.235168][ T1394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.235396][ T1394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.235615][ T1394]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   48.235835][ T1394]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   48.236046][ T1394]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   48.236265][ T1394]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   48.236494][ T1394]  ? copy_msghdr_from_user (net/socket.c:2635)
[   48.236704][ T1394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   48.236964][ T1394]  ? move_addr_to_kernel (net/socket.c:258)
[   48.237178][ T1394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.237409][ T1394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.237626][ T1394]  ___sys_sendmsg (net/socket.c:2752)
[   48.237838][ T1394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   48.238104][ T1394]  ? copy_msghdr_from_user (net/socket.c:2603)
[   48.238355][ T1394]  __sys_sendmsg (net/socket.c:2784)
[   48.238567][ T1394]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   48.238781][ T1394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   48.239048][ T1394]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.239260][ T1394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.239490][ T1394]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.239704][ T1394]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.239919][ T1394]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.240134][ T1394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.240407][ T1394] RIP: 0033:0x7efdb377208e
[   48.240626][ T1394] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.241397][ T1394] RSP: 002b:00007ffe590e6d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.241716][ T1394] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efdb377208e
[   48.242033][ T1394] RDX: 0000000000000000 RSI: 00007ffe590e6e10 RDI: 0000000000000005
[   48.242363][ T1394] RBP: 00007ffe590e6d70 R08: 0000000000000000 R09: 0000000000000000
[   48.242682][ T1394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf86
[   48.243001][ T1394] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe590e74e0
| [   48.262308][ T1394] ------------[ cut here ]------------
| [   48.262607][ T1394] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1394
| [   48.263035][ T1394] Modules linked in: netdevsim
| [   48.263752][ T1394] Tainted: [W]=WARN
[   48.263945][ T1394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.264230][ T1394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.264558][ T1394] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.265267][ T1394] RSP: 0018:ffa0000003507190 EFLAGS: 00010286
[   48.265599][ T1394] RAX: 00000000ffffffa6 RBX: ff1100000ed6fe40 RCX: 1ff40000006a0df8
[   48.265942][ T1394] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fef0
[   48.266275][ T1394] RBP: ff11000004f81000 R08: 1fe2200001dadfdf R09: ff1100000cc9ae58
[   48.266638][ T1394] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   48.266980][ T1394] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.267312][ T1394] FS:  00007efdb3538840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   48.267715][ T1394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.268001][ T1394] CR2: 000055fbe875cd5c CR3: 000000000f7af004 CR4: 0000000000771ef0
[   48.268355][ T1394] PKRU: 55555554
[   48.268548][ T1394] Call Trace:
[   48.268740][ T1394]  <TASK>
[   48.268889][ T1394]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.269191][ T1394]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.269499][ T1394]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.269739][ T1394]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.269974][ T1394]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.270264][ T1394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.270528][ T1394]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   48.270766][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.270999][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.271235][ T1394]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   48.271494][ T1394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.271728][ T1394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.271997][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.272237][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.272505][ T1394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.272743][ T1394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.272983][ T1394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.273220][ T1394]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   48.273492][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.273735][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.273980][ T1394]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   48.274218][ T1394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.274483][ T1394]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   48.274722][ T1394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   48.274963][ T1394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.275200][ T1394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.275463][ T1394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.275705][ T1394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.275943][ T1394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.276181][ T1394]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   48.276441][ T1394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.276679][ T1394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.276918][ T1394]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.277156][ T1394]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.277419][ T1394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.277664][ T1394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.277901][ T1394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.278141][ T1394]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   48.278406][ T1394]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   48.278656][ T1394]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   48.278903][ T1394]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   48.279143][ T1394]  ? copy_msghdr_from_user (net/socket.c:2635)
[   48.279403][ T1394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   48.279688][ T1394]  ? move_addr_to_kernel (net/socket.c:258)
[   48.279927][ T1394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.280168][ T1394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.280436][ T1394]  ___sys_sendmsg (net/socket.c:2752)
[   48.280675][ T1394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   48.280956][ T1394]  ? copy_msghdr_from_user (net/socket.c:2603)
[   48.281218][ T1394]  __sys_sendmsg (net/socket.c:2784)
[   48.281483][ T1394]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   48.281686][ T1394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   48.281946][ T1394]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.282189][ T1394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.282451][ T1394]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.282690][ T1394]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.282926][ T1394]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.283169][ T1394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.283478][ T1394] RIP: 0033:0x7efdb377208e
[   48.283726][ T1394] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.284455][ T1394] RSP: 002b:00007ffe590e6d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.284788][ T1394] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efdb377208e
[   48.285111][ T1394] RDX: 0000000000000000 RSI: 00007ffe590e6e10 RDI: 0000000000000005
[   48.285456][ T1394] RBP: 00007ffe590e6d70 R08: 0000000000000000 R09: 0000000000000000
[   48.285779][ T1394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf86
[   48.286106][ T1394] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe590e74e0
| [   48.406496][ T1403] ------------[ cut here ]------------
| [   48.406751][ T1403] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1403
| [   48.407187][ T1403] Modules linked in: netdevsim
| [   48.408074][ T1403] Tainted: [W]=WARN
[   48.408239][ T1403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.409140][ T1403] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.409441][ T1403] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.410241][ T1403] RSP: 0018:ffa00000035871b0 EFLAGS: 00010286
[   48.410528][ T1403] RAX: 00000000ffffffa6 RBX: ff11000004ec0340 RCX: 1ff40000006b0dfc
[   48.410859][ T1403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec03f0
[   48.411195][ T1403] RBP: ff11000004f84000 R08: 1fe22000009d807f R09: ff1100000f68aea8
[   48.411541][ T1403] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.411869][ T1403] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   48.412198][ T1403] FS:  00007f76e3c78840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   48.412599][ T1403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.412866][ T1403] CR2: 00000000004a77b8 CR3: 000000000f607004 CR4: 0000000000771ef0
[   48.413200][ T1403] PKRU: 55555554
[   48.413377][ T1403] Call Trace:
[   48.413545][ T1403]  <TASK>
[   48.413663][ T1403]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.413883][ T1403]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.414099][ T1403]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   48.414318][ T1403]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.414495][ T1403]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   48.414712][ T1403]  __dev_notify_flags (net/core/dev.c:9787)
[   48.414932][ T1403]  ? netif_change_name (net/core/dev.c:1495)
[   48.415155][ T1403]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   48.415439][ T1403]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   48.415657][ T1403]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   48.415875][ T1403]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   48.416090][ T1403]  ? __dev_get_by_name (net/core/dev.c:883)
[   48.416304][ T1403]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   48.416544][ T1403]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   48.416767][ T1403]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   48.416985][ T1403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.417196][ T1403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.417421][ T1403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.417630][ T1403]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.417846][ T1403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.418069][ T1403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.418276][ T1403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.418500][ T1403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   48.418707][ T1403]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.418914][ T1403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.419125][ T1403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.419348][ T1403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.419553][ T1403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.419762][ T1403]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   48.419968][ T1403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.420185][ T1403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.420414][ T1403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.420627][ T1403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.420850][ T1403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.421071][ T1403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.421291][ T1403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.421523][ T1403]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   48.421744][ T1403]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   48.421976][ T1403]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   48.422195][ T1403]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   48.422425][ T1403]  ? copy_msghdr_from_user (net/socket.c:2635)
[   48.422641][ T1403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   48.422911][ T1403]  ? move_addr_to_kernel (net/socket.c:258)
[   48.423134][ T1403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.423367][ T1403]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   48.423585][ T1403]  ___sys_sendmsg (net/socket.c:2752)
[   48.423799][ T1403]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   48.424014][ T1403]  ? copy_msghdr_from_user (net/socket.c:2603)
[   48.424239][ T1403]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   48.424474][ T1403]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   48.424696][ T1403]  __sys_sendmsg (net/socket.c:2784)
[   48.424912][ T1403]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   48.425141][ T1403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.425372][ T1403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.425589][ T1403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.425803][ T1403]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.426019][ T1403]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.426235][ T1403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.426516][ T1403] RIP: 0033:0x7f76e3eb208e
[   48.426744][ T1403] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.427525][ T1403] RSP: 002b:00007ffcd3ed1180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.427855][ T1403] RAX: ffffffffffffffda RBX: 00007ffcd3ed1930 RCX: 00007f76e3eb208e
[   48.428182][ T1403] RDX: 0000000000000000 RSI: 00007ffcd3ed1230 RDI: 0000000000000005
[   48.428520][ T1403] RBP: 00007ffcd3ed1190 R08: 0000000000000000 R09: 0000000000000000
[   48.428839][ T1403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf86
[   48.429162][ T1403] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd3ed1900
| [   48.488864][ T1404] ------------[ cut here ]------------
| [   48.489110][ T1404] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1404
| [   48.489554][ T1404] Modules linked in: netdevsim
| [   48.490194][ T1404] Tainted: [W]=WARN
[   48.490368][ T1404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.490640][ T1404] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.490938][ T1404] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.491711][ T1404] RSP: 0018:ffa0000003587020 EFLAGS: 00010286
[   48.491981][ T1404] RAX: 00000000ffffffa6 RBX: ff11000004ec1cc0 RCX: 1ff40000006b0dca
[   48.492302][ T1404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1d70
[   48.492645][ T1404] RBP: ff11000004f84000 R08: 1fe22000009d83af R09: ff1100000f68d180
[   48.492970][ T1404] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   48.493293][ T1404] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   48.493634][ T1404] FS:  00007f46d03f8840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   48.494017][ T1404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.494284][ T1404] CR2: 000000002892b988 CR3: 000000000f57f002 CR4: 0000000000771ef0
[   48.494623][ T1404] PKRU: 55555554
[   48.494790][ T1404] Call Trace:
[   48.494952][ T1404]  <TASK>
[   48.495067][ T1404]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   48.495285][ T1404]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.495617][ T1404]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.495949][ T1404]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   48.496166][ T1404]  __dev_notify_flags (net/core/dev.c:9787)
[   48.496551][ T1404]  ? netif_change_name (net/core/dev.c:1495)
[   48.496764][ T1404]  ? __dev_change_flags (net/core/dev.c:9752)
[   48.496975][ T1404]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   48.497186][ T1404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.497534][ T1404]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   48.497754][ T1404]  netif_change_flags (net/core/dev.c:9820)
[   48.497973][ T1404]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   48.498190][ T1404]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   48.498434][ T1404]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   48.498712][ T1404]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.498924][ T1404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.499138][ T1404]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.499361][ T1404]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.499578][ T1404]  ? __kernel_text_address (kernel/extable.c:79)
[   48.499794][ T1404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.500016][ T1404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.500236][ T1404]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   48.500466][ T1404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.500682][ T1404]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.500897][ T1404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.501117][ T1404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.501341][ T1404]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   48.501558][ T1404]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   48.501778][ T1404]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   48.502009][ T1404]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   48.502227][ T1404]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   48.502483][ T1404]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   48.502708][ T1404]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   48.502933][ T1404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.503152][ T1404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.503380][ T1404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.503593][ T1404]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.503810][ T1404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.504028][ T1404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.504242][ T1404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.504475][ T1404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.504694][ T1404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.504912][ T1404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.505125][ T1404]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   48.505360][ T1404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.505575][ T1404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.505792][ T1404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.506018][ T1404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.506234][ T1404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.506479][ T1404]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   48.506706][ T1404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.506924][ T1404]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.507151][ T1404]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.507375][ T1404]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.507587][ T1404]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.507800][ T1404]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.508012][ T1404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.508229][ T1404]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   48.508459][ T1404]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   48.508677][ T1404]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   48.508903][ T1404]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   48.509121][ T1404]  ? copy_msghdr_from_user (net/socket.c:2635)
[   48.509353][ T1404]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   48.509619][ T1404]  ? move_addr_to_kernel (net/socket.c:258)
[   48.509837][ T1404]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.510055][ T1404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.510272][ T1404]  ___sys_sendmsg (net/socket.c:2752)
[   48.510504][ T1404]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   48.510767][ T1404]  ? copy_msghdr_from_user (net/socket.c:2603)
[   48.511011][ T1404]  __sys_sendmsg (net/socket.c:2784)
[   48.511227][ T1404]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   48.511453][ T1404]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   48.511721][ T1404]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.511936][ T1404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.512155][ T1404]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.512385][ T1404]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.512602][ T1404]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.512821][ T1404]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.513081][ T1404] RIP: 0033:0x7f46d063208e
[   48.513311][ T1404] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.514085][ T1404] RSP: 002b:00007ffcf018c330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.514423][ T1404] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f46d063208e
[   48.514747][ T1404] RDX: 0000000000000000 RSI: 00007ffcf018c3e0 RDI: 0000000000000005
[   48.515074][ T1404] RBP: 00007ffcf018c340 R08: 0000000000000000 R09: 0000000000000000
[   48.515408][ T1404] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf86
[   48.515726][ T1404] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf018cab0
| [   49.366888][ T1426] ------------[ cut here ]------------
| [   49.367208][ T1426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1426
| [   49.367795][ T1426] Modules linked in: netdevsim
| [   49.368637][ T1426] Tainted: [W]=WARN
[   49.368803][ T1426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.369074][ T1426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.369501][ T1426] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.370281][ T1426] RSP: 0018:ffa0000003697010 EFLAGS: 00010286
[   49.370712][ T1426] RAX: 00000000ffffffa6 RBX: ff11000004b0a040 RCX: 1ff40000006d2dc8
[   49.371032][ T1426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a0f0
[   49.371471][ T1426] RBP: ff11000004f84000 R08: 1fe220000096141f R09: ff1100000ef40b80
[   49.371790][ T1426] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   49.372108][ T1426] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003697100
[   49.372443][ T1426] FS:  00007f2305e8b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   49.372815][ T1426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.373084][ T1426] CR2: 00000000252a5988 CR3: 0000000004dfd006 CR4: 0000000000771ef0
[   49.373415][ T1426] PKRU: 55555554
[   49.373583][ T1426] Call Trace:
[   49.373764][ T1426]  <TASK>
[   49.373879][ T1426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.374101][ T1426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.374267][ T1426]  netif_close_many (net/core/dev.c:1804)
[   49.374495][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.374712][ T1426]  ? __dev_close_many (net/core/dev.c:1781)
[   49.374926][ T1426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.375148][ T1426]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   49.375393][ T1426]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.375612][ T1426]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   49.375881][ T1426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.376096][ T1426]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.376397][ T1426]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   49.376618][ T1426]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.376832][ T1426]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.377097][ T1426]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   49.377314][ T1426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.377559][ T1426]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   49.377772][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.377982][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.378192][ T1426]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   49.378430][ T1426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.378651][ T1426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.378904][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.379113][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.379335][ T1426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.379546][ T1426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.379787][ T1426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.380002][ T1426]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   49.380216][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.380456][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.380668][ T1426]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   49.380892][ T1426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.381114][ T1426]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   49.381345][ T1426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.381557][ T1426]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.381769][ T1426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.381988][ T1426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.382206][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.382475][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.382684][ T1426]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.382895][ T1426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.383116][ T1426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.383344][ T1426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.383559][ T1426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.383776][ T1426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.383994][ T1426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.384206][ T1426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.384436][ T1426]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.384657][ T1426]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.384872][ T1426]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.385092][ T1426]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.385303][ T1426]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.385525][ T1426]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.385787][ T1426]  ? move_addr_to_kernel (net/socket.c:258)
[   49.386004][ T1426]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.386214][ T1426]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.386447][ T1426]  ___sys_sendmsg (net/socket.c:2752)
[   49.386815][ T1426]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   49.387081][ T1426]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.387324][ T1426]  __sys_sendmsg (net/socket.c:2784)
[   49.387562][ T1426]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.387938][ T1426]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   49.388203][ T1426]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.388448][ T1426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.388657][ T1426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.389019][ T1426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.389229][ T1426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.389468][ T1426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.389879][ T1426] RIP: 0033:0x7f23060c508e
[   49.390104][ T1426] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.391026][ T1426] RSP: 002b:00007ffeaac0fad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.391355][ T1426] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f23060c508e
[   49.391675][ T1426] RDX: 0000000000000000 RSI: 00007ffeaac0fb80 RDI: 0000000000000005
[   49.392132][ T1426] RBP: 00007ffeaac0fae0 R08: 0000000000000000 R09: 0000000000000000
[   49.392469][ T1426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf87
[   49.392913][ T1426] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeaac10250
| [   49.399160][ T1426] ------------[ cut here ]------------
| [   49.399405][ T1426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1426
| [   49.399801][ T1426] Modules linked in: netdevsim
| [   49.400562][ T1426] Tainted: [W]=WARN
[   49.400717][ T1426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.400962][ T1426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.401511][ T1426] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.402207][ T1426] RSP: 0018:ffa0000003697190 EFLAGS: 00010286
[   49.402629][ T1426] RAX: 00000000ffffffa6 RBX: ff110000093de640 RCX: 1ff40000006d2df8
[   49.403054][ T1426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093de6f0
[   49.403450][ T1426] RBP: ff11000004f84000 R08: 1fe220000127bcdf R09: ff1100000ef40b58
[   49.403737][ T1426] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.404025][ T1426] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.404572][ T1426] FS:  00007f2305e8b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   49.404918][ T1426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.405171][ T1426] CR2: 00000000252a5988 CR3: 0000000004dfd006 CR4: 0000000000771ef0
[   49.405573][ T1426] PKRU: 55555554
[   49.405720][ T1426] Call Trace:
[   49.405875][ T1426]  <TASK>
[   49.405984][ T1426]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.406239][ T1426]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.406720][ T1426]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   49.406916][ T1426]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.407114][ T1426]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.407455][ T1426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.407653][ T1426]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   49.407870][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.408072][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.408271][ T1426]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   49.408557][ T1426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.408754][ T1426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.408985][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.409180][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.409592][ T1426]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.409776][ T1426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.409963][ T1426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.410150][ T1426]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   49.410436][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.410626][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.410818][ T1426]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   49.411006][ T1426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.411202][ T1426]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   49.411631][ T1426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.411830][ T1426]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.412031][ T1426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.412231][ T1426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.412527][ T1426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.412724][ T1426]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.412924][ T1426]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.413120][ T1426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.413322][ T1426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.413622][ T1426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.413820][ T1426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.414022][ T1426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.414223][ T1426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.414515][ T1426]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.414715][ T1426]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.414916][ T1426]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.415132][ T1426]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.415437][ T1426]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.415630][ T1426]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.415822][ T1426]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.416066][ T1426]  ? move_addr_to_kernel (net/socket.c:258)
[   49.416261][ T1426]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.416557][ T1426]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.416757][ T1426]  ___sys_sendmsg (net/socket.c:2752)
[   49.416951][ T1426]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   49.417208][ T1426]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.417602][ T1426]  __sys_sendmsg (net/socket.c:2784)
[   49.417802][ T1426]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.418003][ T1426]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   49.418257][ T1426]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.418562][ T1426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.418763][ T1426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.418960][ T1426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.419158][ T1426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.419456][ T1426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.419699][ T1426] RIP: 0033:0x7f23060c508e
[   49.419911][ T1426] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.420862][ T1426] RSP: 002b:00007ffeaac0fad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.421168][ T1426] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f23060c508e
[   49.421545][ T1426] RDX: 0000000000000000 RSI: 00007ffeaac0fb80 RDI: 0000000000000005
[   49.421823][ T1426] RBP: 00007ffeaac0fae0 R08: 0000000000000000 R09: 0000000000000000
[   49.422109][ T1426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf87
[   49.422617][ T1426] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeaac10250
| [   49.578761][ T1436] ------------[ cut here ]------------
| [   49.578998][ T1436] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1436
| [   49.579606][ T1436] Modules linked in: netdevsim
| [   49.580128][ T1436] Tainted: [W]=WARN
[   49.580281][ T1436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.580528][ T1436] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.580767][ T1436] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.581306][ T1436] RSP: 0018:ffa00000037071b0 EFLAGS: 00010286
[   49.581553][ T1436] RAX: 00000000ffffffa6 RBX: ff11000004e1db40 RCX: 1ff40000006e0dfc
[   49.581806][ T1436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1dbf0
[   49.582065][ T1436] RBP: ff1100000c691000 R08: 1fe22000009c3b7f R09: ff1100000c2e0ba8
[   49.582323][ T1436] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.582598][ T1436] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   49.582859][ T1436] FS:  00007fcb238af840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   49.583150][ T1436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.583390][ T1436] CR2: 00000000004a77b8 CR3: 000000000c1e2001 CR4: 0000000000771ef0
[   49.583645][ T1436] PKRU: 55555554
[   49.583800][ T1436] Call Trace:
[   49.583953][ T1436]  <TASK>
[   49.584073][ T1436]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.584264][ T1436]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.584479][ T1436]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   49.584668][ T1436]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.584824][ T1436]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   49.585012][ T1436]  __dev_notify_flags (net/core/dev.c:9787)
[   49.585199][ T1436]  ? netif_change_name (net/core/dev.c:1495)
[   49.585409][ T1436]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.585629][ T1436]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   49.585818][ T1436]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   49.586005][ T1436]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   49.586196][ T1436]  ? __dev_get_by_name (net/core/dev.c:883)
[   49.586401][ T1436]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   49.586596][ T1436]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   49.586789][ T1436]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   49.586976][ T1436]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.587224][ T1436]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.587458][ T1436]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.587643][ T1436]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.587829][ T1436]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.588020][ T1436]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.588206][ T1436]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.588412][ T1436]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.588604][ T1436]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.588794][ T1436]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.588986][ T1436]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.589184][ T1436]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.589386][ T1436]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.589573][ T1436]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.589762][ T1436]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.589947][ T1436]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.590139][ T1436]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.590352][ T1436]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.590541][ T1436]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.590729][ T1436]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.590917][ T1436]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.591106][ T1436]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.591293][ T1436]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.591495][ T1436]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.591681][ T1436]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.591871][ T1436]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.592055][ T1436]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.592277][ T1436]  ? move_addr_to_kernel (net/socket.c:258)
[   49.592488][ T1436]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.592676][ T1436]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   49.592862][ T1436]  ___sys_sendmsg (net/socket.c:2752)
[   49.593046][ T1436]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   49.593238][ T1436]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.593454][ T1436]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   49.593643][ T1436]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   49.593833][ T1436]  __sys_sendmsg (net/socket.c:2784)
[   49.594019][ T1436]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.594207][ T1436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.594417][ T1436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.594609][ T1436]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.594799][ T1436]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.594985][ T1436]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.595176][ T1436]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.595422][ T1436] RIP: 0033:0x7fcb23ae908e
[   49.595618][ T1436] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.596151][ T1436] RSP: 002b:00007ffffdde2410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.596427][ T1436] RAX: ffffffffffffffda RBX: 00007ffffdde2bc0 RCX: 00007fcb23ae908e
[   49.596680][ T1436] RDX: 0000000000000000 RSI: 00007ffffdde24c0 RDI: 0000000000000005
[   49.596934][ T1436] RBP: 00007ffffdde2420 R08: 0000000000000000 R09: 0000000000000000
[   49.597194][ T1436] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf87
[   49.597467][ T1436] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffdde2b90
| [   49.637740][ T1437] ------------[ cut here ]------------
| [   49.638001][ T1437] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1437
| [   49.638445][ T1437] Modules linked in: netdevsim
| [   49.639094][ T1437] Tainted: [W]=WARN
[   49.639257][ T1437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.639536][ T1437] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.639809][ T1437] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.640605][ T1437] RSP: 0018:ffa0000003707020 EFLAGS: 00010286
[   49.640891][ T1437] RAX: 00000000ffffffa6 RBX: ff11000004f921c0 RCX: 1ff40000006e0dca
[   49.641225][ T1437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92270
[   49.641564][ T1437] RBP: ff1100000c691000 R08: 1fe22000009f244f R09: ff1100000c2e5180
[   49.641887][ T1437] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   49.642209][ T1437] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   49.642716][ T1437] FS:  00007f8b8aa65840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   49.643099][ T1437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.643521][ T1437] CR2: 00000000037fa988 CR3: 000000000f83f001 CR4: 0000000000771ef0
[   49.643835][ T1437] PKRU: 55555554
[   49.643997][ T1437] Call Trace:
[   49.644158][ T1437]  <TASK>
[   49.644271][ T1437]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.644642][ T1437]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.644957][ T1437]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   49.645170][ T1437]  __dev_notify_flags (net/core/dev.c:9787)
[   49.645453][ T1437]  ? netif_change_name (net/core/dev.c:1495)
[   49.645669][ T1437]  ? __dev_change_flags (net/core/dev.c:9752)
[   49.645882][ T1437]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   49.646092][ T1437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.646307][ T1437]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   49.646533][ T1437]  netif_change_flags (net/core/dev.c:9820)
[   49.646749][ T1437]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   49.646965][ T1437]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   49.647181][ T1437]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   49.647465][ T1437]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.647686][ T1437]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.647901][ T1437]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.648112][ T1437]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.648321][ T1437]  ? __kernel_text_address (kernel/extable.c:79)
[   49.648545][ T1437]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.648763][ T1437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.648977][ T1437]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.649191][ T1437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.649420][ T1437]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.649632][ T1437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.649843][ T1437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.650054][ T1437]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   49.650270][ T1437]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   49.650499][ T1437]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   49.650714][ T1437]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.650927][ T1437]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   49.651146][ T1437]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   49.651378][ T1437]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   49.651595][ T1437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.651806][ T1437]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.652017][ T1437]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.652228][ T1437]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.652452][ T1437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.652673][ T1437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.652883][ T1437]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.653093][ T1437]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.653303][ T1437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.653531][ T1437]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.653744][ T1437]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.653957][ T1437]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.654170][ T1437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.654394][ T1437]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.654609][ T1437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.654822][ T1437]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.655039][ T1437]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.655253][ T1437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.655480][ T1437]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.655710][ T1437]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.655927][ T1437]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.656166][ T1437]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.656393][ T1437]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.656607][ T1437]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.656825][ T1437]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.657037][ T1437]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.657249][ T1437]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.657481][ T1437]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.657695][ T1437]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.657909][ T1437]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.658172][ T1437]  ? move_addr_to_kernel (net/socket.c:258)
[   49.658403][ T1437]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.658622][ T1437]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.658842][ T1437]  ___sys_sendmsg (net/socket.c:2752)
[   49.659065][ T1437]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   49.659354][ T1437]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.659595][ T1437]  __sys_sendmsg (net/socket.c:2784)
[   49.659810][ T1437]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.660023][ T1437]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   49.660293][ T1437]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.660519][ T1437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.660730][ T1437]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.660943][ T1437]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.661155][ T1437]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.661383][ T1437]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.661647][ T1437] RIP: 0033:0x7f8b8ac9f08e
[   49.661868][ T1437] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.662656][ T1437] RSP: 002b:00007ffc14ef6cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.662979][ T1437] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8b8ac9f08e
[   49.663300][ T1437] RDX: 0000000000000000 RSI: 00007ffc14ef6d70 RDI: 0000000000000005
[   49.663632][ T1437] RBP: 00007ffc14ef6cd0 R08: 0000000000000000 R09: 0000000000000000
[   49.663956][ T1437] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf87
[   49.664272][ T1437] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc14ef7440
| [   49.742574][ T1439] ------------[ cut here ]------------
| [   49.742783][ T1439] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/1439
| [   49.743107][ T1439] Modules linked in: netdevsim
| [   49.743614][ T1439] Tainted: [W]=WARN
[   49.743739][ T1439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.743944][ T1439] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.744159][ T1439] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.744743][ T1439] RSP: 0018:ffa0000003717310 EFLAGS: 00010286
[   49.744944][ T1439] RAX: 00000000ffffffa6 RBX: ff1100000ed72640 RCX: 1ff40000006e2e28
[   49.745179][ T1439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed726f0
[   49.745432][ T1439] RBP: ff1100000cd42000 R08: 1fe2200001dae4df R09: ff1100000cc9d1d0
[   49.745670][ T1439] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.745906][ T1439] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.746146][ T1439] FS:  00007efd4fe50840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   49.746442][ T1439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.746644][ T1439] CR2: 00007efd50405004 CR3: 0000000009b45003 CR4: 0000000000771ef0
[   49.746883][ T1439] PKRU: 55555554
[   49.747005][ T1439] Call Trace:
[   49.747126][ T1439]  <TASK>
[   49.747210][ T1439]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.747847][ T1439]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.748052][ T1439]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   49.748216][ T1439]  ? netdev_run_todo (net/core/dev.c:11703)
[   49.748392][ T1439]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   49.748557][ T1439]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   49.748715][ T1439]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   49.748874][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.749039][ T1439]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   49.749206][ T1439] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   49.749377][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.749541][ T1439] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   49.749735][ T1439] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   49.749940][ T1439] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   49.750150][ T1439]  devlink_reload (net/devlink/dev.c:462)
[   49.750317][ T1439]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   49.750483][ T1439]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   49.750683][ T1439]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   49.750846][ T1439]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   49.751043][ T1439]  ? __nla_validate_parse (lib/nlattr.c:635)
[   49.751200][ T1439]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   49.751364][ T1439]  ? __nla_parse (lib/nlattr.c:732)
[   49.751529][ T1439]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   49.751712][ T1439]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   49.751912][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.752073][ T1439]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   49.752238][ T1439]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.752411][ T1439]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   49.752571][ T1439]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   49.752768][ T1439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   49.752970][ T1439]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   49.753129][ T1439]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   49.753287][ T1439]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   49.753461][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.753622][ T1439]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   49.753779][ T1439]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.753940][ T1439]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   49.754096][ T1439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.754257][ T1439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.754431][ T1439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.754592][ T1439]  genl_rcv (net/netlink/genetlink.c:1218)
[   49.754711][ T1439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.754869][ T1439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.755037][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.755196][ T1439]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.755370][ T1439]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.755533][ T1439]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.755698][ T1439]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.755859][ T1439]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   49.756024][ T1439]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   49.756197][ T1439]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   49.756371][ T1439]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.756570][ T1439]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.756729][ T1439]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.756887][ T1439]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.757044][ T1439]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.757201][ T1439]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.757373][ T1439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.757571][ T1439] RIP: 0033:0x7efd5008a08e
[   49.757738][ T1439] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.758299][ T1439] RSP: 002b:00007ffe61dc43b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   49.758550][ T1439] RAX: ffffffffffffffda RBX: 0000000034465980 RCX: 00007efd5008a08e
[   49.758788][ T1439] RDX: 0000000000000038 RSI: 0000000034465ba0 RDI: 0000000000000005
[   49.759027][ T1439] RBP: 00007ffe61dc43c0 R08: 00007efd5033e980 R09: 000000000000000c
[   49.759260][ T1439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   49.759505][ T1439] R13: 0000000034465980 R14: 0000000000000000 R15: 0000000000000003
| [   49.796902][ T1439] ------------[ cut here ]------------
| [   49.797122][ T1439] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/1439
| [   49.797460][ T1439] Modules linked in: netdevsim
| [   49.797987][ T1439] Tainted: [W]=WARN
[   49.798109][ T1439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.798310][ T1439] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.798539][ T1439] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.799111][ T1439] RSP: 0018:ffa0000003717268 EFLAGS: 00010286
[   49.799316][ T1439] RAX: 00000000ffffffa6 RBX: ff11000004ab4dc0 RCX: 1ff40000006e2e13
[   49.799566][ T1439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ab4e70
[   49.799807][ T1439] RBP: ff11000009472000 R08: 1fe22000009569cf R09: ff1100000cc9d1d0
[   49.800046][ T1439] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.800283][ T1439] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009472000
[   49.800534][ T1439] FS:  00007efd4fe50840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   49.800816][ T1439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.801017][ T1439] CR2: 00007efd50405004 CR3: 0000000009b45003 CR4: 0000000000771ef0
[   49.801253][ T1439] PKRU: 55555554
[   49.801384][ T1439] Call Trace:
[   49.801506][ T1439]  <TASK>
[   49.801589][ T1439]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.801752][ T1439]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.801877][ T1439]  register_netdevice (net/core/dev.c:11488)
[   49.802041][ T1439]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.802236][ T1439]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   49.802410][ T1439] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   49.802617][ T1439] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   49.802777][ T1439] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   49.802977][ T1439]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   49.803141][ T1439]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   49.803352][ T1439]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   49.803515][ T1439]  ? static_obj (kernel/locking/lockdep.c:858)
[   49.803637][ T1439]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   49.803801][ T1439]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   49.804006][ T1439] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   49.804207][ T1439]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   49.804506][ T1439]  devlink_reload (net/devlink/dev.c:475)
[   49.804669][ T1439]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   49.804829][ T1439]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   49.805033][ T1439]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   49.805192][ T1439]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   49.805423][ T1439]  ? __nla_validate_parse (lib/nlattr.c:635)
[   49.805584][ T1439]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   49.805743][ T1439]  ? __nla_parse (lib/nlattr.c:732)
[   49.805907][ T1439]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   49.806068][ T1439]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   49.806271][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.806467][ T1439]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   49.806639][ T1439]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.806802][ T1439]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   49.806965][ T1439]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   49.807162][ T1439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   49.807391][ T1439]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   49.807553][ T1439]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   49.807712][ T1439]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   49.807873][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.808042][ T1439]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   49.808203][ T1439]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.808374][ T1439]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   49.808533][ T1439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.808699][ T1439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.808861][ T1439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.809023][ T1439]  genl_rcv (net/netlink/genetlink.c:1218)
[   49.809144][ T1439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.809307][ T1439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.809477][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.809640][ T1439]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.809802][ T1439]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.809970][ T1439]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.810132][ T1439]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.810295][ T1439]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   49.810469][ T1439]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   49.810641][ T1439]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   49.810799][ T1439]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.810997][ T1439]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.811162][ T1439]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.811320][ T1439]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.811492][ T1439]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.811655][ T1439]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.811813][ T1439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.812011][ T1439] RIP: 0033:0x7efd5008a08e
[   49.812178][ T1439] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.812756][ T1439] RSP: 002b:00007ffe61dc43b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   49.812998][ T1439] RAX: ffffffffffffffda RBX: 0000000034465980 RCX: 00007efd5008a08e
[   49.813238][ T1439] RDX: 0000000000000038 RSI: 0000000034465ba0 RDI: 0000000000000005
[   49.813490][ T1439] RBP: 00007ffe61dc43c0 R08: 00007efd5033e980 R09: 000000000000000c
[   49.813728][ T1439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   49.814087][ T1439] R13: 0000000034465980 R14: 0000000000000000 R15: 0000000000000003
| [   50.703611][ T1463] ------------[ cut here ]------------
| [   50.703848][ T1463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1463
| [   50.704176][ T1463] Modules linked in: netdevsim
| [   50.705069][ T1463] Tainted: [W]=WARN
[   50.705223][ T1463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.705485][ T1463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.705724][ T1463] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.706255][ T1463] RSP: 0018:ffa0000003827010 EFLAGS: 00010286
[   50.706501][ T1463] RAX: 00000000ffffffa6 RBX: ff11000004ec0940 RCX: 1ff4000000704dc8
[   50.706752][ T1463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec09f0
[   50.707005][ T1463] RBP: ff1100000c691000 R08: 1fe22000009d813f R09: ff11000004d92e80
[   50.707258][ T1463] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   50.707533][ T1463] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003827100
[   50.707789][ T1463] FS:  00007fde5724d840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   50.708077][ T1463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.708300][ T1463] CR2: 0000000034e81988 CR3: 000000000c6b7001 CR4: 0000000000771ef0
[   50.708573][ T1463] PKRU: 55555554
[   50.708725][ T1463] Call Trace:
[   50.708875][ T1463]  <TASK>
[   50.708994][ T1463]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.709184][ T1463]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.709361][ T1463]  netif_close_many (net/core/dev.c:1804)
[   50.709548][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.709735][ T1463]  ? __dev_close_many (net/core/dev.c:1781)
[   50.709926][ T1463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.710115][ T1463]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   50.710302][ T1463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.710503][ T1463]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   50.710724][ T1463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.710908][ T1463]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.711124][ T1463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   50.711308][ T1463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.711512][ T1463]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.711734][ T1463]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   50.711922][ T1463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.712120][ T1463]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.712307][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.712510][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.712698][ T1463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   50.712887][ T1463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.713075][ T1463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.713280][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.713491][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.713682][ T1463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.713866][ T1463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.714051][ T1463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.714235][ T1463]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   50.714447][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.714635][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.714821][ T1463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   50.715006][ T1463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.715192][ T1463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   50.715398][ T1463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.715587][ T1463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.715772][ T1463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.715959][ T1463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.716147][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.716351][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.716539][ T1463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.716722][ T1463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.716908][ T1463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.717099][ T1463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.717285][ T1463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.717493][ T1463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.717680][ T1463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.717865][ T1463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.718056][ T1463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.718243][ T1463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.718450][ T1463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.718640][ T1463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.718824][ T1463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.719006][ T1463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.719222][ T1463]  ? move_addr_to_kernel (net/socket.c:258)
[   50.719430][ T1463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.719616][ T1463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.719803][ T1463]  ___sys_sendmsg (net/socket.c:2752)
[   50.719987][ T1463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.720207][ T1463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.720428][ T1463]  __sys_sendmsg (net/socket.c:2784)
[   50.720617][ T1463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.720803][ T1463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.721024][ T1463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.721210][ T1463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.721424][ T1463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.721609][ T1463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.721795][ T1463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.721982][ T1463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.722198][ T1463] RIP: 0033:0x7fde5748708e
[   50.722412][ T1463] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.722946][ T1463] RSP: 002b:00007ffef0708890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.723206][ T1463] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fde5748708e
[   50.723477][ T1463] RDX: 0000000000000000 RSI: 00007ffef0708940 RDI: 0000000000000005
[   50.723728][ T1463] RBP: 00007ffef07088a0 R08: 0000000000000000 R09: 0000000000000000
[   50.723978][ T1463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf88
[   50.724225][ T1463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef0709010
| [   50.727904][ T1463] ------------[ cut here ]------------
| [   50.728091][ T1463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1463
| [   50.729018][ T1463] Modules linked in: netdevsim
| [   50.729677][ T1463] Tainted: [W]=WARN
[   50.729886][ T1463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.730159][ T1463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.730398][ T1463] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.730894][ T1463] RSP: 0018:ffa0000003827190 EFLAGS: 00010286
[   50.731107][ T1463] RAX: 00000000ffffffa6 RBX: ff1100000ed6ef40 RCX: 1ff4000000704df8
[   50.731368][ T1463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6eff0
[   50.731607][ T1463] RBP: ff1100000c691000 R08: 1fe2200001daddff R09: ff11000004d92e58
[   50.731848][ T1463] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.732090][ T1463] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.732350][ T1463] FS:  00007fde5724d840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   50.732626][ T1463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.732836][ T1463] CR2: 0000000034e81988 CR3: 000000000c6b7001 CR4: 0000000000771ef0
[   50.733076][ T1463] PKRU: 55555554
[   50.733221][ T1463] Call Trace:
[   50.733387][ T1463]  <TASK>
[   50.733503][ T1463]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.733717][ T1463]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.733923][ T1463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   50.734103][ T1463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.734277][ T1463]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.734504][ T1463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.734684][ T1463]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.734863][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.735040][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.735219][ T1463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   50.735417][ T1463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.735594][ T1463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.735789][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.735963][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.736140][ T1463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.736317][ T1463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.736519][ T1463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.736696][ T1463]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   50.736874][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.737047][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.737226][ T1463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   50.737421][ T1463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.737600][ T1463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   50.737782][ T1463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.737958][ T1463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.738133][ T1463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.738312][ T1463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.738514][ T1463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.738690][ T1463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.738867][ T1463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.739041][ T1463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.739221][ T1463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.739424][ T1463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.739598][ T1463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.739777][ T1463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.739955][ T1463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.740133][ T1463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.740322][ T1463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.740532][ T1463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.740709][ T1463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.740890][ T1463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.741068][ T1463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.741246][ T1463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.741476][ T1463]  ? move_addr_to_kernel (net/socket.c:258)
[   50.741653][ T1463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.741829][ T1463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.742008][ T1463]  ___sys_sendmsg (net/socket.c:2752)
[   50.742184][ T1463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.742425][ T1463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.742624][ T1463]  __sys_sendmsg (net/socket.c:2784)
[   50.742804][ T1463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.742979][ T1463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.743193][ T1463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.743387][ T1463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.743566][ T1463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.743745][ T1463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.743921][ T1463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.744099][ T1463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.744305][ T1463] RIP: 0033:0x7fde5748708e
[   50.744508][ T1463] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.745009][ T1463] RSP: 002b:00007ffef0708890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.745249][ T1463] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fde5748708e
[   50.745514][ T1463] RDX: 0000000000000000 RSI: 00007ffef0708940 RDI: 0000000000000005
[   50.745838][ T1463] RBP: 00007ffef07088a0 R08: 0000000000000000 R09: 0000000000000000
[   50.746077][ T1463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf88
[   50.746313][ T1463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef0709010
| [   50.808567][ T1464] ------------[ cut here ]------------
| [   50.808828][ T1464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1464
| [   50.809275][ T1464] Modules linked in: netdevsim
| [   50.810733][ T1464] Tainted: [W]=WARN
[   50.810899][ T1464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.811173][ T1464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.811486][ T1464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.812272][ T1464] RSP: 0018:ffa00000038371b0 EFLAGS: 00010286
[   50.812587][ T1464] RAX: 00000000ffffffa6 RBX: ff11000004b0a040 RCX: 1ff4000000706dfc
[   50.812916][ T1464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a0f0
[   50.813271][ T1464] RBP: ff11000005031000 R08: 1fe220000096141f R09: ff11000008e251a8
[   50.813626][ T1464] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.813957][ T1464] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.814285][ T1464] FS:  00007f4f1bed4840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   50.814703][ T1464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.814978][ T1464] CR2: 00000000004a77b8 CR3: 000000000f7e7002 CR4: 0000000000771ef0
[   50.815311][ T1464] PKRU: 55555554
[   50.815598][ T1464] Call Trace:
[   50.815768][ T1464]  <TASK>
[   50.815885][ T1464]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.816112][ T1464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.816446][ T1464]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.816674][ T1464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.816876][ T1464]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   50.817098][ T1464]  __dev_notify_flags (net/core/dev.c:9787)
[   50.817319][ T1464]  ? netif_change_name (net/core/dev.c:1495)
[   50.817559][ T1464]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.817837][ T1464]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   50.818064][ T1464]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   50.818288][ T1464]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   50.818520][ T1464]  ? __dev_get_by_name (net/core/dev.c:883)
[   50.818741][ T1464]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   50.818970][ T1464]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   50.819199][ T1464]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.819438][ T1464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.819658][ T1464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.819887][ T1464]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.820113][ T1464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.820342][ T1464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.820575][ T1464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.820794][ T1464]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.821018][ T1464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.821242][ T1464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.821478][ T1464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.821704][ T1464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.821929][ T1464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.822149][ T1464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.822386][ T1464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.822605][ T1464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.822818][ T1464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.823045][ T1464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.823272][ T1464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.823512][ T1464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.823735][ T1464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.823955][ T1464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.824176][ T1464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.824405][ T1464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.824626][ T1464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.824852][ T1464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.825077][ T1464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.825294][ T1464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.825581][ T1464]  ? move_addr_to_kernel (net/socket.c:258)
[   50.825804][ T1464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.826022][ T1464]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   50.826242][ T1464]  ___sys_sendmsg (net/socket.c:2752)
[   50.826477][ T1464]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   50.826703][ T1464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.826932][ T1464]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   50.827160][ T1464]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   50.827396][ T1464]  __sys_sendmsg (net/socket.c:2784)
[   50.827616][ T1464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.827840][ T1464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.828064][ T1464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.828286][ T1464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.828528][ T1464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.828745][ T1464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.828966][ T1464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.829244][ T1464] RIP: 0033:0x7f4f1c10e08e
[   50.829498][ T1464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.830285][ T1464] RSP: 002b:00007ffc1380a610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.830632][ T1464] RAX: ffffffffffffffda RBX: 00007ffc1380adc0 RCX: 00007f4f1c10e08e
[   50.830960][ T1464] RDX: 0000000000000000 RSI: 00007ffc1380a6c0 RDI: 0000000000000005
[   50.831291][ T1464] RBP: 00007ffc1380a620 R08: 0000000000000000 R09: 0000000000000000
[   50.831638][ T1464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf89
[   50.831966][ T1464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1380ad90
| [   50.879112][ T1465] ------------[ cut here ]------------
| [   50.879352][ T1465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1465
| [   50.879686][ T1465] Modules linked in: netdevsim
| [   50.880203][ T1465] Tainted: [W]=WARN
[   50.880706][ T1465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.880926][ T1465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.881170][ T1465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.881727][ T1465] RSP: 0018:ffa0000003847020 EFLAGS: 00010286
[   50.881951][ T1465] RAX: 00000000ffffffa6 RBX: ff110000093dec40 RCX: 1ff4000000708dca
[   50.882205][ T1465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093decf0
[   50.882477][ T1465] RBP: ff11000005031000 R08: 1fe220000127bd9f R09: ff11000008e20b80
[   50.882729][ T1465] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   50.882989][ T1465] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.883247][ T1465] FS:  00007fb2938cb840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   50.883560][ T1465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.883783][ T1465] CR2: 0000000029bea988 CR3: 000000000dd3f004 CR4: 0000000000771ef0
[   50.884037][ T1465] PKRU: 55555554
[   50.884193][ T1465] Call Trace:
[   50.884367][ T1465]  <TASK>
[   50.884487][ T1465]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   50.884676][ T1465]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.884865][ T1465]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.885020][ T1465]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.885207][ T1465]  __dev_notify_flags (net/core/dev.c:9787)
[   50.885418][ T1465]  ? netif_change_name (net/core/dev.c:1495)
[   50.885609][ T1465]  ? __dev_change_flags (net/core/dev.c:9752)
[   50.885799][ T1465]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   50.885985][ T1465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.886174][ T1465]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.886382][ T1465]  netif_change_flags (net/core/dev.c:9820)
[   50.886573][ T1465]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.886763][ T1465]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.886953][ T1465]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.887175][ T1465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.887382][ T1465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.887572][ T1465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.887760][ T1465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.887947][ T1465]  ? __kernel_text_address (kernel/extable.c:79)
[   50.888139][ T1465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.888343][ T1465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.888537][ T1465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.888725][ T1465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.888911][ T1465]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.889096][ T1465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.889279][ T1465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.889489][ T1465]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.889679][ T1465]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.889867][ T1465]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.890055][ T1465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.890243][ T1465]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.890454][ T1465]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.890649][ T1465]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.890840][ T1465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.891025][ T1465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.891219][ T1465]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.891425][ T1465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.891611][ T1465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.891801][ T1465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.891985][ T1465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.892172][ T1465]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.892377][ T1465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.892570][ T1465]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.892757][ T1465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.892949][ T1465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.893136][ T1465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.893323][ T1465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.893534][ T1465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.893719][ T1465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.893909][ T1465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.894100][ T1465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.894288][ T1465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.894496][ T1465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.894685][ T1465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.894874][ T1465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.895060][ T1465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.895248][ T1465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.895457][ T1465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.895652][ T1465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.895841][ T1465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.896032][ T1465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.896223][ T1465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.896430][ T1465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.896654][ T1465]  ? move_addr_to_kernel (net/socket.c:258)
[   50.896842][ T1465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.897033][ T1465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.897225][ T1465]  ___sys_sendmsg (net/socket.c:2752)
[   50.897436][ T1465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.897660][ T1465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.897859][ T1465]  __sys_sendmsg (net/socket.c:2784)
[   50.898046][ T1465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.898231][ T1465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.898480][ T1465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.898671][ T1465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.898859][ T1465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.899046][ T1465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.899234][ T1465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.899441][ T1465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.899660][ T1465] RIP: 0033:0x7fb293b0508e
[   50.899856][ T1465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.900410][ T1465] RSP: 002b:00007fff42b2c140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.900668][ T1465] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb293b0508e
[   50.900925][ T1465] RDX: 0000000000000000 RSI: 00007fff42b2c1f0 RDI: 0000000000000005
[   50.901180][ T1465] RBP: 00007fff42b2c150 R08: 0000000000000000 R09: 0000000000000000
[   50.901455][ T1465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf89
[   50.901709][ T1465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff42b2c8c0
| [   50.973971][ T1467] ------------[ cut here ]------------
| [   50.974201][ T1467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1467
| [   50.975266][ T1467] Modules linked in: netdevsim
| [   50.975862][ T1467] Tainted: [W]=WARN
[   50.976029][ T1467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.976269][ T1467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.976552][ T1467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.977143][ T1467] RSP: 0018:ffa0000003867310 EFLAGS: 00010286
[   50.977408][ T1467] RAX: 00000000ffffffa6 RBX: ff11000004ab5840 RCX: 1ff400000070ce28
[   50.977687][ T1467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ab58f0
[   50.977970][ T1467] RBP: ff11000009472000 R08: 1fe2200000956b1f R09: ff11000010730bd0
[   50.978248][ T1467] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.978546][ T1467] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.978829][ T1467] FS:  00007f419bb3e840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   50.979157][ T1467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.979421][ T1467] CR2: 00007f419c0f3004 CR3: 000000000ce35006 CR4: 0000000000771ef0
[   50.979705][ T1467] PKRU: 55555554
[   50.979869][ T1467] Call Trace:
[   50.980036][ T1467]  <TASK>
[   50.980164][ T1467]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.980433][ T1467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.980676][ T1467]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   50.980883][ T1467]  ? netdev_run_todo (net/core/dev.c:11703)
[   50.981087][ T1467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   50.981295][ T1467]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   50.981520][ T1467]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   50.981725][ T1467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.981933][ T1467]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   50.982146][ T1467] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   50.982377][ T1467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.982588][ T1467] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   50.982831][ T1467] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   50.983077][ T1467] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   50.983322][ T1467]  devlink_reload (net/devlink/dev.c:462)
[   50.983560][ T1467]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   50.983765][ T1467]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   50.984010][ T1467]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   50.984216][ T1467]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   50.984480][ T1467]  ? __nla_validate_parse (lib/nlattr.c:635)
[   50.984688][ T1467]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   50.984897][ T1467]  ? __nla_parse (lib/nlattr.c:732)
[   50.985115][ T1467]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   50.985339][ T1467]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   50.985592][ T1467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.985799][ T1467]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   50.986004][ T1467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.986213][ T1467]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   50.986444][ T1467]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   50.986689][ T1467]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.986933][ T1467]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   50.987138][ T1467]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   50.987363][ T1467]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   50.987603][ T1467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.987817][ T1467]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   50.988023][ T1467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.988230][ T1467]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   50.988462][ T1467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.988670][ T1467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.988875][ T1467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.989085][ T1467]  genl_rcv (net/netlink/genetlink.c:1218)
[   50.989253][ T1467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.989488][ T1467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.989697][ T1467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.989908][ T1467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.990116][ T1467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.990327][ T1467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.990551][ T1467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.990759][ T1467]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   50.990970][ T1467]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   50.991187][ T1467]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   50.991423][ T1467]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.991669][ T1467]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.991875][ T1467]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.992081][ T1467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.992288][ T1467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.992512][ T1467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.992721][ T1467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.992967][ T1467] RIP: 0033:0x7f419bd7808e
[   50.993180][ T1467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.993792][ T1467] RSP: 002b:00007fff51ac66e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   50.994078][ T1467] RAX: ffffffffffffffda RBX: 0000000036922980 RCX: 00007f419bd7808e
[   50.994381][ T1467] RDX: 0000000000000038 RSI: 0000000036922ba0 RDI: 0000000000000005
[   50.994661][ T1467] RBP: 00007fff51ac66f0 R08: 00007f419c02c980 R09: 000000000000000c
[   50.994941][ T1467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   50.995225][ T1467] R13: 0000000036922980 R14: 0000000000000000 R15: 0000000000000003
| [   51.041192][ T1467] ------------[ cut here ]------------
| [   51.041472][ T1467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1467
| [   51.041840][ T1467] Modules linked in: netdevsim
| [   51.042445][ T1467] Tainted: [W]=WARN
[   51.042611][ T1467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.042861][ T1467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.043127][ T1467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.043829][ T1467] RSP: 0018:ffa0000003867268 EFLAGS: 00010286
[   51.044143][ T1467] RAX: 00000000ffffffa6 RBX: ff1100000c1941c0 RCX: 1ff400000070ce13
[   51.044460][ T1467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c194270
[   51.044758][ T1467] RBP: ff1100000af52000 R08: 1fe220000183284f R09: ff11000010730bd0
[   51.045066][ T1467] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   51.045370][ T1467] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000af52000
[   51.045661][ T1467] FS:  00007f419bb3e840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   51.045998][ T1467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.046245][ T1467] CR2: 00007f419c0f3004 CR3: 000000000ce35006 CR4: 0000000000771ef0
[   51.046548][ T1467] PKRU: 55555554
[   51.046716][ T1467] Call Trace:
[   51.046883][ T1467]  <TASK>
[   51.047018][ T1467]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.047229][ T1467]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.047425][ T1467]  register_netdevice (net/core/dev.c:11488)
[   51.047639][ T1467]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.047881][ T1467]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   51.048091][ T1467] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   51.048368][ T1467] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   51.048581][ T1467] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   51.048825][ T1467]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   51.049032][ T1467]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   51.049277][ T1467]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   51.049506][ T1467]  ? static_obj (kernel/locking/lockdep.c:858)
[   51.049677][ T1467]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.049888][ T1467]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   51.050140][ T1467] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   51.050409][ T1467]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   51.050654][ T1467]  devlink_reload (net/devlink/dev.c:475)
[   51.050861][ T1467]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   51.051066][ T1467]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   51.051316][ T1467]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   51.051555][ T1467]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   51.051801][ T1467]  ? __nla_validate_parse (lib/nlattr.c:635)
[   51.052009][ T1467]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   51.052213][ T1467]  ? __nla_parse (lib/nlattr.c:732)
[   51.052441][ T1467]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   51.052653][ T1467]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   51.052903][ T1467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.053118][ T1467]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   51.053339][ T1467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   51.053556][ T1467]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   51.053762][ T1467]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   51.054003][ T1467]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.054245][ T1467]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   51.054476][ T1467]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   51.054679][ T1467]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   51.054885][ T1467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.055096][ T1467]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   51.055301][ T1467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.055522][ T1467]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   51.055730][ T1467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.055941][ T1467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.056153][ T1467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.056382][ T1467]  genl_rcv (net/netlink/genetlink.c:1218)
[   51.056551][ T1467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.056756][ T1467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.056958][ T1467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.057168][ T1467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.057394][ T1467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.057603][ T1467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.057808][ T1467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.058015][ T1467]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   51.058221][ T1467]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   51.058457][ T1467]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   51.058661][ T1467]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.058902][ T1467]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.059110][ T1467]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.059314][ T1467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.059538][ T1467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.059755][ T1467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.059959][ T1467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.060203][ T1467] RIP: 0033:0x7f419bd7808e
[   51.060443][ T1467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.061049][ T1467] RSP: 002b:00007fff51ac66e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   51.061357][ T1467] RAX: ffffffffffffffda RBX: 0000000036922980 RCX: 00007f419bd7808e
[   51.061637][ T1467] RDX: 0000000000000038 RSI: 0000000036922ba0 RDI: 0000000000000005
[   51.061920][ T1467] RBP: 00007fff51ac66f0 R08: 00007f419c02c980 R09: 000000000000000c
[   51.062205][ T1467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   51.062507][ T1467] R13: 0000000036922980 R14: 0000000000000000 R15: 0000000000000003
| [   51.922674][ T1491] ------------[ cut here ]------------
| [   51.922889][ T1491] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/1491
| [   51.923213][ T1491] Modules linked in: netdevsim
| [   51.923740][ T1491] Tainted: [W]=WARN
[   51.923864][ T1491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.924062][ T1491] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.924278][ T1491] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.924849][ T1491] RSP: 0018:ffa0000003997310 EFLAGS: 00010286
[   51.925046][ T1491] RAX: 00000000ffffffa6 RBX: ff11000008b22f40 RCX: 1ff4000000732e28
[   51.925285][ T1491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008b22ff0
[   51.925537][ T1491] RBP: ff1100000af52000 R08: 1fe22000011645ff R09: ff1100000f6151d0
[   51.925772][ T1491] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   51.926009][ T1491] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   51.926244][ T1491] FS:  00007fe2bf8c9840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   51.926544][ T1491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.926743][ T1491] CR2: 00007fe2bfe7e004 CR3: 000000000dc84002 CR4: 0000000000771ef0
[   51.926980][ T1491] PKRU: 55555554
[   51.927097][ T1491] Call Trace:
[   51.927216][ T1491]  <TASK>
[   51.927299][ T1491]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.927517][ T1491]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   51.927715][ T1491]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   51.927876][ T1491]  ? netdev_run_todo (net/core/dev.c:11703)
[   51.928031][ T1491]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   51.928192][ T1491]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   51.928364][ T1491]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   51.928528][ T1491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.928690][ T1491]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   51.928850][ T1491] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   51.929006][ T1491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.929161][ T1491] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   51.929372][ T1491] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   51.929577][ T1491] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   51.929776][ T1491]  devlink_reload (net/devlink/dev.c:462)
[   51.929939][ T1491]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   51.930100][ T1491]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   51.930296][ T1491]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   51.930545][ T1491]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   51.930743][ T1491]  ? __nla_validate_parse (lib/nlattr.c:635)
[   51.930918][ T1491]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   51.931074][ T1491]  ? __nla_parse (lib/nlattr.c:732)
[   51.931232][ T1491]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   51.931406][ T1491]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   51.931602][ T1491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.931757][ T1491]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   51.931913][ T1491]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   51.932070][ T1491]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   51.932228][ T1491]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   51.932433][ T1491]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.932630][ T1491]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   51.932788][ T1491]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   51.932949][ T1491]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   51.933113][ T1491]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.933278][ T1491]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   51.933444][ T1491]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.933598][ T1491]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   51.933762][ T1491]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.933925][ T1491]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.934082][ T1491]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.934237][ T1491]  genl_rcv (net/netlink/genetlink.c:1218)
[   51.934366][ T1491]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.934523][ T1491]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.934678][ T1491]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.934838][ T1491]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.934995][ T1491]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.935157][ T1491]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.935339][ T1491]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.935504][ T1491]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   51.935661][ T1491]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   51.935829][ T1491]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   51.935982][ T1491]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.936178][ T1491]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.936340][ T1491]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.936507][ T1491]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.936669][ T1491]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.936827][ T1491]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.936983][ T1491]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.937175][ T1491] RIP: 0033:0x7fe2bfb0308e
[   51.937344][ T1491] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.937907][ T1491] RSP: 002b:00007ffd32b3c1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   51.938141][ T1491] RAX: ffffffffffffffda RBX: 0000000017ab3980 RCX: 00007fe2bfb0308e
[   51.938387][ T1491] RDX: 0000000000000038 RSI: 0000000017ab3ba0 RDI: 0000000000000005
[   51.938623][ T1491] RBP: 00007ffd32b3c1e0 R08: 00007fe2bfdb7980 R09: 000000000000000c
[   51.938855][ T1491] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   51.939089][ T1491] R13: 0000000017ab3980 R14: 0000000000000000 R15: 0000000000000003
| [   52.051322][ T1493] ------------[ cut here ]------------
| [   52.052259][ T1493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1493
| [   52.052598][ T1493] Modules linked in: netdevsim
| [   52.053110][ T1493] Tainted: [W]=WARN
[   52.053260][ T1493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.053503][ T1493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.053731][ T1493] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.054258][ T1493] RSP: 0018:ffa00000039a7010 EFLAGS: 00010286
[   52.054505][ T1493] RAX: 00000000ffffffa6 RBX: ff11000004ec13c0 RCX: 1ff4000000734dc8
[   52.054755][ T1493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1470
[   52.055003][ T1493] RBP: ff11000005031000 R08: 1fe22000009d828f R09: ff1100000f68ae80
[   52.055252][ T1493] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   52.055520][ T1493] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000039a7100
[   52.055771][ T1493] FS:  00007fbd97dd7840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   52.056055][ T1493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.056274][ T1493] CR2: 000000003fd7e988 CR3: 000000000c6e1004 CR4: 0000000000771ef0
[   52.056541][ T1493] PKRU: 55555554
[   52.056690][ T1493] Call Trace:
[   52.056840][ T1493]  <TASK>
[   52.056957][ T1493]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.057145][ T1493]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.057299][ T1493]  netif_close_many (net/core/dev.c:1804)
[   52.057506][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.057692][ T1493]  ? __dev_close_many (net/core/dev.c:1781)
[   52.057877][ T1493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.058061][ T1493]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.058247][ T1493]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.058453][ T1493]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   52.058672][ T1493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.058860][ T1493]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.059073][ T1493]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.059258][ T1493]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.059458][ T1493]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.059677][ T1493]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.059859][ T1493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.060046][ T1493]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.060233][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.060435][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.060617][ T1493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.060799][ T1493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.060982][ T1493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.061183][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.061383][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.061566][ T1493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.061747][ T1493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.061928][ T1493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.062111][ T1493]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   52.062299][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.062508][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.062691][ T1493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.062875][ T1493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.063065][ T1493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.063248][ T1493]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.063463][ T1493]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.063648][ T1493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.063830][ T1493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.064013][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.064193][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.064397][ T1493]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.064578][ T1493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.064760][ T1493]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.064948][ T1493]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.065154][ T1493]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.065360][ T1493]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.065548][ T1493]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.065731][ T1493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.065918][ T1493]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.066103][ T1493]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.066290][ T1493]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.066492][ T1493]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.066676][ T1493]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.066859][ T1493]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.067074][ T1493]  ? move_addr_to_kernel (net/socket.c:258)
[   52.067258][ T1493]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.067465][ T1493]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.067651][ T1493]  ___sys_sendmsg (net/socket.c:2752)
[   52.067832][ T1493]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.068048][ T1493]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.068244][ T1493]  __sys_sendmsg (net/socket.c:2784)
[   52.068451][ T1493]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.068633][ T1493]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.068871][ T1493]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.069055][ T1493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.069237][ T1493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.069438][ T1493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.069621][ T1493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.069807][ T1493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.070025][ T1493] RIP: 0033:0x7fbd9801108e
[   52.070214][ T1493] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.070749][ T1493] RSP: 002b:00007ffcb3752100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.071009][ T1493] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbd9801108e
[   52.071257][ T1493] RDX: 0000000000000000 RSI: 00007ffcb37521b0 RDI: 0000000000000005
[   52.071536][ T1493] RBP: 00007ffcb3752110 R08: 0000000000000000 R09: 0000000000000000
[   52.071782][ T1493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.072032][ T1493] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb3752880
| [   52.075299][ T1493] ------------[ cut here ]------------
| [   52.075467][ T1493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1493
| [   52.075725][ T1493] Modules linked in: netdevsim
| [   52.076126][ T1493] Tainted: [W]=WARN
[   52.076224][ T1493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.076401][ T1493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.076571][ T1493] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.077145][ T1493] RSP: 0018:ffa00000039a7190 EFLAGS: 00010286
[   52.077311][ T1493] RAX: 00000000ffffffa6 RBX: ff1100000ed6fe40 RCX: 1ff4000000734df8
[   52.077598][ T1493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fef0
[   52.077787][ T1493] RBP: ff11000005031000 R08: 1fe2200001dadfdf R09: ff1100000f68ae58
[   52.077980][ T1493] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.078252][ T1493] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.078459][ T1493] FS:  00007fbd97dd7840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   52.078687][ T1493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.078932][ T1493] CR2: 000055fbe875cd5c CR3: 000000000c6e1005 CR4: 0000000000771ef0
[   52.079122][ T1493] PKRU: 55555554
[   52.079218][ T1493] Call Trace:
[   52.079416][ T1493]  <TASK>
[   52.079488][ T1493]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.079660][ T1493]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.079827][ T1493]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.080041][ T1493]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.080167][ T1493]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.080334][ T1493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.080468][ T1493]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.080681][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.080812][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.080950][ T1493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.081077][ T1493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.081291][ T1493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.081449][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.081582][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.081713][ T1493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.081949][ T1493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.082073][ T1493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.082200][ T1493]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   52.082336][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.082550][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.082678][ T1493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.082809][ T1493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.082938][ T1493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.083145][ T1493]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.083269][ T1493]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.083500][ T1493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.083632][ T1493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.083760][ T1493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.083966][ T1493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.084093][ T1493]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.084219][ T1493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.084466][ T1493]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.084682][ T1493]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.084813][ T1493]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.084944][ T1493]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.085078][ T1493]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.085293][ T1493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.085554][ T1493]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.085687][ T1493]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.085818][ T1493]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.085954][ T1493]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.086169][ T1493]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.086295][ T1493]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.086584][ T1493]  ? move_addr_to_kernel (net/socket.c:258)
[   52.086711][ T1493]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.086837][ T1493]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.086966][ T1493]  ___sys_sendmsg (net/socket.c:2752)
[   52.087093][ T1493]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.087257][ T1493]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.087440][ T1493]  __sys_sendmsg (net/socket.c:2784)
[   52.087573][ T1493]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.087700][ T1493]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.087859][ T1493]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.087985][ T1493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.088112][ T1493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.088241][ T1493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.088379][ T1493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.088512][ T1493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.088669][ T1493] RIP: 0033:0x7fbd9801108e
[   52.088805][ T1493] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.089354][ T1493] RSP: 002b:00007ffcb3752100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.089548][ T1493] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbd9801108e
[   52.089740][ T1493] RDX: 0000000000000000 RSI: 00007ffcb37521b0 RDI: 0000000000000005
[   52.089930][ T1493] RBP: 00007ffcb3752110 R08: 0000000000000000 R09: 0000000000000000
[   52.090205][ T1493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.090403][ T1493] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb3752880
| [   52.201211][ T1495] ------------[ cut here ]------------
| [   52.201497][ T1495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1495
| [   52.201865][ T1495] Modules linked in: netdevsim
| [   52.202469][ T1495] Tainted: [W]=WARN
[   52.202640][ T1495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.202886][ T1495] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.203141][ T1495] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.203771][ T1495] RSP: 0018:ffa00000039b7268 EFLAGS: 00010286
[   52.204016][ T1495] RAX: 00000000ffffffa6 RBX: ff1100000ed73e40 RCX: 1ff4000000736e13
[   52.204298][ T1495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed73ef0
[   52.204605][ T1495] RBP: ff11000009e2a000 R08: 1fe2200001dae7df R09: ff1100000df251d0
[   52.204886][ T1495] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   52.205168][ T1495] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e2a000
[   52.205470][ T1495] FS:  00007f8dac8db840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   52.205798][ T1495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.206051][ T1495] CR2: 00007f8dace90004 CR3: 000000000c3ee006 CR4: 0000000000771ef0
[   52.206344][ T1495] PKRU: 55555554
[   52.206518][ T1495] Call Trace:
[   52.206684][ T1495]  <TASK>
[   52.206815][ T1495]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.207023][ T1495]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.207196][ T1495]  register_netdevice (net/core/dev.c:11488)
[   52.207504][ T1495]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   52.207815][ T1495]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   52.208089][ T1495] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   52.208381][ T1495] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   52.208591][ T1495] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   52.208837][ T1495]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   52.209041][ T1495]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   52.209285][ T1495]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   52.209509][ T1495]  ? static_obj (kernel/locking/lockdep.c:858)
[   52.209676][ T1495]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.209884][ T1495]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   52.210131][ T1495] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   52.210397][ T1495]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   52.210639][ T1495]  devlink_reload (net/devlink/dev.c:475)
[   52.210844][ T1495]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   52.211048][ T1495]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   52.211296][ T1495]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   52.211525][ T1495]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   52.211771][ T1495]  ? __nla_validate_parse (lib/nlattr.c:635)
[   52.211980][ T1495]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   52.212182][ T1495]  ? __nla_parse (lib/nlattr.c:732)
[   52.212412][ T1495]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   52.212619][ T1495]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   52.212861][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.213066][ T1495]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   52.213271][ T1495]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.213505][ T1495]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   52.213712][ T1495]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   52.213950][ T1495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.214197][ T1495]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   52.214431][ T1495]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   52.214639][ T1495]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   52.214847][ T1495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.215056][ T1495]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   52.215260][ T1495]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.215490][ T1495]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   52.215691][ T1495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.215898][ T1495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.216102][ T1495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.216315][ T1495]  genl_rcv (net/netlink/genetlink.c:1218)
[   52.216502][ T1495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.216707][ T1495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.216909][ T1495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.217113][ T1495]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.217318][ T1495]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.217543][ T1495]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.217748][ T1495]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.217958][ T1495]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   52.218170][ T1495]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   52.218405][ T1495]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   52.218608][ T1495]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.218851][ T1495]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   52.219055][ T1495]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   52.219260][ T1495]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.219492][ T1495]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.219701][ T1495]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.219905][ T1495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.220147][ T1495] RIP: 0033:0x7f8dacb1508e
[   52.220378][ T1495] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.220976][ T1495] RSP: 002b:00007ffede3a1da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   52.221257][ T1495] RAX: ffffffffffffffda RBX: 0000000005ab0980 RCX: 00007f8dacb1508e
[   52.221558][ T1495] RDX: 0000000000000038 RSI: 0000000005ab0ba0 RDI: 0000000000000005
[   52.221836][ T1495] RBP: 00007ffede3a1db0 R08: 00007f8dacdc9980 R09: 000000000000000c
[   52.222118][ T1495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   52.222419][ T1495] R13: 0000000005ab0980 R14: 0000000000000000 R15: 0000000000000003
| [   52.326496][ T1505] ------------[ cut here ]------------
| [   52.326759][ T1505] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1505
| [   52.327212][ T1505] Modules linked in: netdevsim
| [   52.327923][ T1505] Tainted: [W]=WARN
[   52.328092][ T1505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.328381][ T1505] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.328673][ T1505] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.330118][ T1505] RSP: 0018:ffa0000003a071b0 EFLAGS: 00010286
[   52.330416][ T1505] RAX: 00000000ffffffa6 RBX: ff11000004e1d3c0 RCX: 1ff4000000740dfc
[   52.330743][ T1505] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1d470
[   52.331070][ T1505] RBP: ff11000010754000 R08: 1fe22000009c3a8f R09: ff1100000f88aea8
[   52.331415][ T1505] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   52.331740][ T1505] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.332073][ T1505] FS:  00007fa3fa5ed840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   52.332521][ T1505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.332799][ T1505] CR2: 00000000004a77b8 CR3: 000000000f86f002 CR4: 0000000000771ef0
[   52.333130][ T1505] PKRU: 55555554
[   52.333298][ T1505] Call Trace:
[   52.333479][ T1505]  <TASK>
[   52.333596][ T1505]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.333818][ T1505]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.334043][ T1505]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.334265][ T1505]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.334452][ T1505]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   52.334672][ T1505]  __dev_notify_flags (net/core/dev.c:9787)
[   52.334892][ T1505]  ? netif_change_name (net/core/dev.c:1495)
[   52.335113][ T1505]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   52.335405][ T1505]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.335629][ T1505]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   52.335856][ T1505]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.336077][ T1505]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.336309][ T1505]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.336554][ T1505]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.336778][ T1505]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.336999][ T1505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.337220][ T1505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.337453][ T1505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.337672][ T1505]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.337884][ T1505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.338100][ T1505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.338310][ T1505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.338534][ T1505]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.338749][ T1505]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.338960][ T1505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.339178][ T1505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.339417][ T1505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.339631][ T1505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.339862][ T1505]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.340082][ T1505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.340296][ T1505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.340530][ T1505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.340746][ T1505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.340972][ T1505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.341189][ T1505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.341421][ T1505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.341647][ T1505]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.341871][ T1505]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.342091][ T1505]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.342315][ T1505]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.342545][ T1505]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.342760][ T1505]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.343020][ T1505]  ? move_addr_to_kernel (net/socket.c:258)
[   52.343232][ T1505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.343463][ T1505]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   52.343684][ T1505]  ___sys_sendmsg (net/socket.c:2752)
[   52.343899][ T1505]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   52.344119][ T1505]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.344364][ T1505]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   52.344589][ T1505]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   52.344811][ T1505]  __sys_sendmsg (net/socket.c:2784)
[   52.345030][ T1505]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.345256][ T1505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.345486][ T1505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.345702][ T1505]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.345917][ T1505]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.346144][ T1505]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.346381][ T1505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.346654][ T1505] RIP: 0033:0x7fa3fa82708e
[   52.346890][ T1505] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.347693][ T1505] RSP: 002b:00007fffc2ab1990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.348022][ T1505] RAX: ffffffffffffffda RBX: 00007fffc2ab2140 RCX: 00007fa3fa82708e
[   52.348356][ T1505] RDX: 0000000000000000 RSI: 00007fffc2ab1a40 RDI: 0000000000000005
[   52.348693][ T1505] RBP: 00007fffc2ab19a0 R08: 0000000000000000 R09: 0000000000000000
[   52.349017][ T1505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.349356][ T1505] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc2ab2110
| [   52.399067][ T1506] ------------[ cut here ]------------
| [   52.399266][ T1506] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1506
| [   52.399570][ T1506] Modules linked in: netdevsim
| [   52.400005][ T1506] Tainted: [W]=WARN
[   52.400111][ T1506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.400296][ T1506] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.400487][ T1506] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.400974][ T1506] RSP: 0018:ffa0000003a17020 EFLAGS: 00010286
[   52.401150][ T1506] RAX: 00000000ffffffa6 RBX: ff11000004ab4340 RCX: 1ff4000000742dca
[   52.401369][ T1506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ab43f0
[   52.401575][ T1506] RBP: ff11000010754000 R08: 1fe220000095687f R09: ff1100000f88d180
[   52.401778][ T1506] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   52.402005][ T1506] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.402216][ T1506] FS:  00007f895386d840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   52.402471][ T1506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.402644][ T1506] CR2: 00000000013b7988 CR3: 000000000aca1001 CR4: 0000000000771ef0
[   52.402850][ T1506] PKRU: 55555554
[   52.402955][ T1506] Call Trace:
[   52.403064][ T1506]  <TASK>
[   52.403137][ T1506]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.403276][ T1506]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.403390][ T1506]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.403527][ T1506]  __dev_notify_flags (net/core/dev.c:9787)
[   52.403666][ T1506]  ? netif_change_name (net/core/dev.c:1495)
[   52.403802][ T1506]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.403937][ T1506]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.404075][ T1506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.404218][ T1506]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   52.404369][ T1506]  netif_change_flags (net/core/dev.c:9820)
[   52.404509][ T1506]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.404647][ T1506]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.404784][ T1506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.404955][ T1506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.405097][ T1506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.405235][ T1506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.405380][ T1506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.405516][ T1506]  ? __kernel_text_address (kernel/extable.c:79)
[   52.405654][ T1506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.405795][ T1506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.405934][ T1506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.406081][ T1506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.406223][ T1506]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.406371][ T1506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.406508][ T1506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.406644][ T1506]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.406783][ T1506]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.406929][ T1506]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.407067][ T1506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.407205][ T1506]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.407358][ T1506]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.407499][ T1506]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.407637][ T1506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.407771][ T1506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.407906][ T1506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.408043][ T1506]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.408180][ T1506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.408319][ T1506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.408463][ T1506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.408600][ T1506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.408733][ T1506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.408870][ T1506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.409008][ T1506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.409145][ T1506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.409287][ T1506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.409436][ T1506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.409577][ T1506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.409716][ T1506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.409856][ T1506]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.409994][ T1506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.410141][ T1506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.410284][ T1506]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.410436][ T1506]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.410577][ T1506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.410713][ T1506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.410854][ T1506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.410993][ T1506]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.411134][ T1506]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.411270][ T1506]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.411435][ T1506]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.411571][ T1506]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.411707][ T1506]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.411875][ T1506]  ? move_addr_to_kernel (net/socket.c:258)
[   52.412013][ T1506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.412154][ T1506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.412292][ T1506]  ___sys_sendmsg (net/socket.c:2752)
[   52.412439][ T1506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.412612][ T1506]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.412760][ T1506]  __sys_sendmsg (net/socket.c:2784)
[   52.412895][ T1506]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.413029][ T1506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.413202][ T1506]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.413349][ T1506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.413496][ T1506]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.413633][ T1506]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.413775][ T1506]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.413912][ T1506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.414080][ T1506] RIP: 0033:0x7f8953aa708e
[   52.414225][ T1506] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.414721][ T1506] RSP: 002b:00007ffc2d478be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.414927][ T1506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8953aa708e
[   52.415134][ T1506] RDX: 0000000000000000 RSI: 00007ffc2d478c90 RDI: 0000000000000005
[   52.415355][ T1506] RBP: 00007ffc2d478bf0 R08: 0000000000000000 R09: 0000000000000000
[   52.415562][ T1506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.415765][ T1506] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d479360
| [   52.551420][ T1509] ------------[ cut here ]------------
| [   52.551679][ T1509] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1509
| [   52.552114][ T1509] Modules linked in: netdevsim
| [   52.552806][ T1509] Tainted: [W]=WARN
[   52.552970][ T1509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.553236][ T1509] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.553539][ T1509] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.554321][ T1509] RSP: 0018:ffa0000003a47010 EFLAGS: 00010286
[   52.554615][ T1509] RAX: 00000000ffffffa6 RBX: ff110000091113c0 RCX: 1ff4000000748dc8
[   52.554939][ T1509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111470
[   52.555261][ T1509] RBP: ff11000010754000 R08: 1fe220000122228f R09: ff1100000f69d180
[   52.555712][ T1509] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   52.556034][ T1509] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003a47100
[   52.556489][ T1509] FS:  00007f07ed379840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   52.556875][ T1509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.557149][ T1509] CR2: 000000002188e988 CR3: 000000000f42f006 CR4: 0000000000771ef0
[   52.557485][ T1509] PKRU: 55555554
[   52.557651][ T1509] Call Trace:
[   52.557823][ T1509]  <TASK>
[   52.557937][ T1509]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.558161][ T1509]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.558335][ T1509]  netif_close_many (net/core/dev.c:1804)
[   52.558554][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.558775][ T1509]  ? __dev_close_many (net/core/dev.c:1781)
[   52.558996][ T1509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.559217][ T1509]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.559427][ T1509]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.559633][ T1509]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   52.559897][ T1509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.560109][ T1509]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.560386][ T1509]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.560601][ T1509]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.560816][ T1509]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.561088][ T1509]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.561304][ T1509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.561538][ T1509]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.561754][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.561970][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.562187][ T1509]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.562412][ T1509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.562634][ T1509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.562894][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.563116][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.563346][ T1509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.563568][ T1509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.563782][ T1509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.563997][ T1509]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   52.564213][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.564434][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.564645][ T1509]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.564850][ T1509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.565068][ T1509]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.565283][ T1509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.565516][ T1509]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.565730][ T1509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.565947][ T1509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.566169][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.566397][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.566620][ T1509]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.566835][ T1509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.567053][ T1509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.567275][ T1509]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.567508][ T1509]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.567726][ T1509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.567947][ T1509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.568159][ T1509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.568391][ T1509]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.568610][ T1509]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.568827][ T1509]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.569047][ T1509]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.569270][ T1509]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.569496][ T1509]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.569759][ T1509]  ? move_addr_to_kernel (net/socket.c:258)
[   52.569975][ T1509]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.570193][ T1509]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.570426][ T1509]  ___sys_sendmsg (net/socket.c:2752)
[   52.570639][ T1509]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.570912][ T1509]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.571152][ T1509]  __sys_sendmsg (net/socket.c:2784)
[   52.571382][ T1509]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.571597][ T1509]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.571869][ T1509]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.572084][ T1509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.572299][ T1509]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.572528][ T1509]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.572741][ T1509]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.572955][ T1509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.573219][ T1509] RIP: 0033:0x7f07ed5b308e
[   52.573460][ T1509] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.574220][ T1509] RSP: 002b:00007ffc889ba070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.574563][ T1509] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f07ed5b308e
[   52.574887][ T1509] RDX: 0000000000000000 RSI: 00007ffc889ba120 RDI: 0000000000000005
[   52.575194][ T1509] RBP: 00007ffc889ba080 R08: 0000000000000000 R09: 0000000000000000
[   52.575531][ T1509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.575854][ T1509] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc889ba7f0
| [   52.579916][ T1509] ------------[ cut here ]------------
| [   52.580064][ T1509] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1509
| [   52.580320][ T1509] Modules linked in: netdevsim
| [   52.580882][ T1509] Tainted: [W]=WARN
[   52.581035][ T1509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.581275][ T1509] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.581530][ T1509] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.582029][ T1509] RSP: 0018:ffa0000003a47190 EFLAGS: 00010286
[   52.582276][ T1509] RAX: 00000000ffffffa6 RBX: ff11000004ec1240 RCX: 1ff4000000748df8
[   52.582591][ T1509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec12f0
[   52.582875][ T1509] RBP: ff11000010754000 R08: 1fe22000009d825f R09: ff1100000f69d158
[   52.583142][ T1509] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.583348][ T1509] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.583549][ T1509] FS:  00007f07ed379840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   52.583778][ T1509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.583942][ T1509] CR2: 00007fc36b660574 CR3: 000000000f42f005 CR4: 0000000000771ef0
[   52.584140][ T1509] PKRU: 55555554
[   52.584238][ T1509] Call Trace:
[   52.584364][ T1509]  <TASK>
[   52.584439][ T1509]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.584606][ T1509]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.584765][ T1509]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.584892][ T1509]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.585022][ T1509]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.585185][ T1509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.585320][ T1509]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.585474][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.585611][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.585744][ T1509]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.585875][ T1509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.586004][ T1509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.586151][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.586281][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.586428][ T1509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.586563][ T1509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.586695][ T1509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.586824][ T1509]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   52.586954][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.587082][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.587211][ T1509]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.587342][ T1509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.587478][ T1509]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.587606][ T1509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.587737][ T1509]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.587865][ T1509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.587993][ T1509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.588122][ T1509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.588250][ T1509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.588392][ T1509]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.588522][ T1509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.588650][ T1509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.588782][ T1509]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.588911][ T1509]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.589042][ T1509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.589173][ T1509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.589304][ T1509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.589445][ T1509]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.589574][ T1509]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.589701][ T1509]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.589833][ T1509]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.589962][ T1509]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.590096][ T1509]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.590258][ T1509]  ? move_addr_to_kernel (net/socket.c:258)
[   52.590398][ T1509]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.590527][ T1509]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.590655][ T1509]  ___sys_sendmsg (net/socket.c:2752)
[   52.590781][ T1509]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.590941][ T1509]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.591087][ T1509]  __sys_sendmsg (net/socket.c:2784)
[   52.591216][ T1509]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.591350][ T1509]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.591521][ T1509]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.591649][ T1509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.591778][ T1509]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.591906][ T1509]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.592033][ T1509]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.592161][ T1509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.592321][ T1509] RIP: 0033:0x7f07ed5b308e
[   52.592470][ T1509] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.592922][ T1509] RSP: 002b:00007ffc889ba070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.593117][ T1509] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f07ed5b308e
[   52.593308][ T1509] RDX: 0000000000000000 RSI: 00007ffc889ba120 RDI: 0000000000000005
[   52.593515][ T1509] RBP: 00007ffc889ba080 R08: 0000000000000000 R09: 0000000000000000
[   52.593706][ T1509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.593903][ T1509] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc889ba7f0
| [   52.712015][ T1520] ------------[ cut here ]------------
| [   52.712344][ T1520] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1520
| [   52.712709][ T1520] Modules linked in: netdevsim
| [   52.713243][ T1520] Tainted: [W]=WARN
[   52.713534][ T1520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.713818][ T1520] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.714154][ T1520] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.715049][ T1520] RSP: 0018:ffa0000003aa71b0 EFLAGS: 00010286
[   52.715487][ T1520] RAX: 00000000ffffffa6 RBX: ff1100000c194c40 RCX: 1ff4000000754dfc
[   52.715846][ T1520] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c194cf0
[   52.716255][ T1520] RBP: ff11000007e39000 R08: 1fe220000183299f R09: ff1100000f7caea8
[   52.716645][ T1520] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   52.717089][ T1520] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.717465][ T1520] FS:  00007f79dedfd840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   52.717836][ T1520] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.718150][ T1520] CR2: 00000000004a77b8 CR3: 0000000004d98001 CR4: 0000000000771ef0
[   52.718551][ T1520] PKRU: 55555554
[   52.718768][ T1520] Call Trace:
[   52.718954][ T1520]  <TASK>
[   52.719083][ T1520]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.719275][ T1520]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.719488][ T1520]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.719680][ T1520]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.719836][ T1520]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   52.720032][ T1520]  __dev_notify_flags (net/core/dev.c:9787)
[   52.720230][ T1520]  ? netif_change_name (net/core/dev.c:1495)
[   52.720454][ T1520]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   52.720697][ T1520]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.720895][ T1520]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   52.721089][ T1520]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.721280][ T1520]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.721651][ T1520]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.721850][ T1520]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.722109][ T1520]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.722341][ T1520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.722541][ T1520]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.722732][ T1520]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.722924][ T1520]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.723116][ T1520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.723312][ T1520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.723522][ T1520]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.723715][ T1520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.723906][ T1520]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.724099][ T1520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.724310][ T1520]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.724525][ T1520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.724766][ T1520]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.725042][ T1520]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.725318][ T1520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.725635][ T1520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.725919][ T1520]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.726175][ T1520]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.726445][ T1520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.726682][ T1520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.726873][ T1520]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.727067][ T1520]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.727267][ T1520]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.727488][ T1520]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.727685][ T1520]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.727877][ T1520]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.728080][ T1520]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.728385][ T1520]  ? move_addr_to_kernel (net/socket.c:258)
[   52.728602][ T1520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.728798][ T1520]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   52.729008][ T1520]  ___sys_sendmsg (net/socket.c:2752)
[   52.729254][ T1520]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   52.729470][ T1520]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.729669][ T1520]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   52.729866][ T1520]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   52.730059][ T1520]  __sys_sendmsg (net/socket.c:2784)
[   52.730257][ T1520]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.730482][ T1520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.730744][ T1520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.730976][ T1520]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.731167][ T1520]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.731382][ T1520]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.731583][ T1520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.731888][ T1520] RIP: 0033:0x7f79df03708e
[   52.732147][ T1520] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.732927][ T1520] RSP: 002b:00007ffc5d65b150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.733268][ T1520] RAX: ffffffffffffffda RBX: 00007ffc5d65b900 RCX: 00007f79df03708e
[   52.733558][ T1520] RDX: 0000000000000000 RSI: 00007ffc5d65b200 RDI: 0000000000000005
[   52.733844][ T1520] RBP: 00007ffc5d65b160 R08: 0000000000000000 R09: 0000000000000000
[   52.734206][ T1520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.734487][ T1520] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5d65b8d0
| [   52.773735][ T1521] ------------[ cut here ]------------
| [   52.773930][ T1521] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1521
| [   52.774219][ T1521] Modules linked in: netdevsim
| [   52.774940][ T1521] Tainted: [W]=WARN
[   52.775063][ T1521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.775247][ T1521] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.775549][ T1521] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.776040][ T1521] RSP: 0018:ffa0000003aa7020 EFLAGS: 00010286
[   52.776219][ T1521] RAX: 00000000ffffffa6 RBX: ff1100000c194040 RCX: 1ff4000000754dca
[   52.776536][ T1521] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1940f0
[   52.776817][ T1521] RBP: ff11000007e39000 R08: 1fe220000183281f R09: ff1100000f7cd180
[   52.777026][ T1521] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   52.777234][ T1521] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.777563][ T1521] FS:  00007f1a186e0840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   52.777811][ T1521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.777990][ T1521] CR2: 00007f1a189b01a0 CR3: 000000000f727001 CR4: 0000000000771ef0
[   52.778200][ T1521] PKRU: 55555554
[   52.778306][ T1521] Call Trace:
[   52.778435][ T1521]  <TASK>
[   52.778509][ T1521]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.778654][ T1521]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.778761][ T1521]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.778904][ T1521]  __dev_notify_flags (net/core/dev.c:9787)
[   52.779059][ T1521]  ? netif_change_name (net/core/dev.c:1495)
[   52.779204][ T1521]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.779348][ T1521]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.779495][ T1521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.779635][ T1521]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   52.779777][ T1521]  netif_change_flags (net/core/dev.c:9820)
[   52.779917][ T1521]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.780058][ T1521]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.780210][ T1521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.780401][ T1521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.780542][ T1521]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.780684][ T1521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.780828][ T1521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.780975][ T1521]  ? __kernel_text_address (kernel/extable.c:79)
[   52.781129][ T1521]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.781272][ T1521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.781436][ T1521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.781576][ T1521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.781715][ T1521]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.781856][ T1521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.782047][ T1521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.782279][ T1521]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.782513][ T1521]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.782732][ T1521]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.782952][ T1521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.783160][ T1521]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.783301][ T1521]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.783455][ T1521]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.783596][ T1521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.783735][ T1521]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.783876][ T1521]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.784016][ T1521]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.784160][ T1521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.784301][ T1521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.784450][ T1521]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.784590][ T1521]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.784730][ T1521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.784871][ T1521]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.785011][ T1521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.785154][ T1521]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.785296][ T1521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.785448][ T1521]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.785591][ T1521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.785729][ T1521]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.785873][ T1521]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.786014][ T1521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.786153][ T1521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.786299][ T1521]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.786448][ T1521]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.786589][ T1521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.786729][ T1521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.786868][ T1521]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.787007][ T1521]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.787147][ T1521]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.787293][ T1521]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.787446][ T1521]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.787587][ T1521]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.787725][ T1521]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.787898][ T1521]  ? move_addr_to_kernel (net/socket.c:258)
[   52.788042][ T1521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.788184][ T1521]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.788335][ T1521]  ___sys_sendmsg (net/socket.c:2752)
[   52.788476][ T1521]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.788649][ T1521]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.788802][ T1521]  __sys_sendmsg (net/socket.c:2784)
[   52.788941][ T1521]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.789080][ T1521]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.789257][ T1521]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.789415][ T1521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.789557][ T1521]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.789699][ T1521]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.789838][ T1521]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.789995][ T1521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.790171][ T1521] RIP: 0033:0x7f1a1891a08e
[   52.790322][ T1521] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.790839][ T1521] RSP: 002b:00007ffcb7d97ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.791053][ T1521] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1a1891a08e
[   52.791264][ T1521] RDX: 0000000000000000 RSI: 00007ffcb7d97d50 RDI: 0000000000000005
[   52.791486][ T1521] RBP: 00007ffcb7d97cb0 R08: 0000000000000000 R09: 0000000000000000
[   52.791695][ T1521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8a
[   52.791903][ T1521] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb7d98420
| [   52.838606][ T1522] ------------[ cut here ]------------
| [   52.838845][ T1522] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1522
| [   52.839185][ T1522] Modules linked in: netdevsim
| [   52.839741][ T1522] Tainted: [W]=WARN
[   52.839895][ T1522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.840120][ T1522] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.840373][ T1522] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.840918][ T1522] RSP: 0018:ffa0000003ab71b0 EFLAGS: 00010286
[   52.841150][ T1522] RAX: 00000000ffffffa6 RBX: ff11000004f92340 RCX: 1ff4000000756dfc
[   52.841434][ T1522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f923f0
[   52.841713][ T1522] RBP: ff11000008c11000 R08: 1fe22000009f247f R09: ff1100000f908ba8
[   52.841972][ T1522] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   52.842227][ T1522] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.842509][ T1522] FS:  00007fa4d5cb5840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   52.842811][ T1522] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.843035][ T1522] CR2: 00000000004a77b8 CR3: 0000000004b0d003 CR4: 0000000000771ef0
[   52.843293][ T1522] PKRU: 55555554
[   52.843466][ T1522] Call Trace:
[   52.843621][ T1522]  <TASK>
[   52.843743][ T1522]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.843935][ T1522]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.844132][ T1522]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.844321][ T1522]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.844500][ T1522]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   52.844688][ T1522]  __dev_notify_flags (net/core/dev.c:9787)
[   52.844877][ T1522]  ? netif_change_name (net/core/dev.c:1495)
[   52.845074][ T1522]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   52.845299][ T1522]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.845516][ T1522]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   52.845707][ T1522]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.845898][ T1522]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.846088][ T1522]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.846282][ T1522]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.846502][ T1522]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.846693][ T1522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.846883][ T1522]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.847076][ T1522]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.847263][ T1522]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.847475][ T1522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.847669][ T1522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.847860][ T1522]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.848050][ T1522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.848238][ T1522]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.848449][ T1522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.848637][ T1522]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.848831][ T1522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.849019][ T1522]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.849210][ T1522]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.849422][ T1522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.849614][ T1522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.849806][ T1522]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.849995][ T1522]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.850186][ T1522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.850401][ T1522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.850592][ T1522]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.850783][ T1522]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.850974][ T1522]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.851164][ T1522]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.851379][ T1522]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.851574][ T1522]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.851762][ T1522]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.851981][ T1522]  ? move_addr_to_kernel (net/socket.c:258)
[   52.852173][ T1522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.852385][ T1522]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   52.852579][ T1522]  ___sys_sendmsg (net/socket.c:2752)
[   52.852765][ T1522]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   52.852960][ T1522]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.853154][ T1522]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   52.853373][ T1522]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   52.853591][ T1522]  __sys_sendmsg (net/socket.c:2784)
[   52.853783][ T1522]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.853976][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.854167][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.854388][ T1522]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.854579][ T1522]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.854768][ T1522]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.854959][ T1522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.855181][ T1522] RIP: 0033:0x7fa4d5eef08e
[   52.855399][ T1522] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.855943][ T1522] RSP: 002b:00007ffc77146960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.856204][ T1522] RAX: ffffffffffffffda RBX: 00007ffc77147110 RCX: 00007fa4d5eef08e
[   52.856485][ T1522] RDX: 0000000000000000 RSI: 00007ffc77146a10 RDI: 0000000000000005
[   52.856742][ T1522] RBP: 00007ffc77146970 R08: 0000000000000000 R09: 0000000000000000
[   52.857006][ T1522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   52.857265][ T1522] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc771470e0
| [   52.899316][ T1523] ------------[ cut here ]------------
| [   52.899620][ T1523] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1523
| [   52.900071][ T1523] Modules linked in: netdevsim
| [   52.900760][ T1523] Tainted: [W]=WARN
[   52.900931][ T1523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.901206][ T1523] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.901513][ T1523] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.902280][ T1523] RSP: 0018:ffa0000003ac7020 EFLAGS: 00010286
[   52.902570][ T1523] RAX: 00000000ffffffa6 RBX: ff11000004f93240 RCX: 1ff4000000758dca
[   52.902886][ T1523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f932f0
[   52.903211][ T1523] RBP: ff11000008c11000 R08: 1fe22000009f265f R09: ff1100000f90ae80
[   52.903553][ T1523] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   52.903877][ T1523] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.904207][ T1523] FS:  00007f250a19d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   52.904608][ T1523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.904885][ T1523] CR2: 000000001efbe988 CR3: 000000000f8e0004 CR4: 0000000000771ef0
[   52.905209][ T1523] PKRU: 55555554
[   52.905556][ T1523] Call Trace:
[   52.905721][ T1523]  <TASK>
[   52.905836][ T1523]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   52.906058][ T1523]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.906283][ T1523]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.906581][ T1523]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.906919][ T1523]  __dev_notify_flags (net/core/dev.c:9787)
[   52.907136][ T1523]  ? netif_change_name (net/core/dev.c:1495)
[   52.907364][ T1523]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.907585][ T1523]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.907797][ T1523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.908015][ T1523]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   52.908232][ T1523]  netif_change_flags (net/core/dev.c:9820)
[   52.908466][ T1523]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.908687][ T1523]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.908904][ T1523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.909170][ T1523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.909397][ T1523]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.909611][ T1523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.909826][ T1523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.910041][ T1523]  ? __kernel_text_address (kernel/extable.c:79)
[   52.910256][ T1523]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.910487][ T1523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.910701][ T1523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.910921][ T1523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.911136][ T1523]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.911341][ T1523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.911557][ T1523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.911770][ T1523]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.911987][ T1523]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.912199][ T1523]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.912427][ T1523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.912652][ T1523]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.912872][ T1523]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.913091][ T1523]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.913301][ T1523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.913526][ T1523]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.913740][ T1523]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.913951][ T1523]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.914162][ T1523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.914399][ T1523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.914613][ T1523]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.914827][ T1523]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.915040][ T1523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.915256][ T1523]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.915489][ T1523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.915701][ T1523]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.915917][ T1523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.916131][ T1523]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.916362][ T1523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.916573][ T1523]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.916790][ T1523]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.917005][ T1523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.917219][ T1523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.917448][ T1523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.917661][ T1523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.917885][ T1523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.918104][ T1523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.918317][ T1523]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.918578][ T1523]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.918790][ T1523]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.919012][ T1523]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.919231][ T1523]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.919460][ T1523]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.919672][ T1523]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.919953][ T1523]  ? move_addr_to_kernel (net/socket.c:258)
[   52.920173][ T1523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.920403][ T1523]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.920621][ T1523]  ___sys_sendmsg (net/socket.c:2752)
[   52.920836][ T1523]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.921105][ T1523]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.921350][ T1523]  __sys_sendmsg (net/socket.c:2784)
[   52.921569][ T1523]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.921779][ T1523]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.922046][ T1523]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.922261][ T1523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.922490][ T1523]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.922705][ T1523]  ? irq_exit_rcu (kernel/softirq.c:754)
[   52.922917][ T1523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.923185][ T1523] RIP: 0033:0x7f250a3d708e
[   52.923429][ T1523] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.924196][ T1523] RSP: 002b:00007fff9d209460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.924535][ T1523] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f250a3d708e
[   52.924851][ T1523] RDX: 0000000000000000 RSI: 00007fff9d209510 RDI: 0000000000000005
[   52.925175][ T1523] RBP: 00007fff9d209470 R08: 0000000000000000 R09: 0000000000000000
[   52.925515][ T1523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   52.925826][ T1523] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9d209be0
| [   53.321119][ T1540] ------------[ cut here ]------------
| [   53.321306][ T1540] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1540
| [   53.321615][ T1540] Modules linked in: netdevsim
| [   53.322042][ T1540] Tainted: [W]=WARN
[   53.322147][ T1540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.322322][ T1540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.322591][ T1540] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.323282][ T1540] RSP: 0018:ffa0000003b17010 EFLAGS: 00010286
[   53.323482][ T1540] RAX: 00000000ffffffa6 RBX: ff110000093df3c0 RCX: 1ff4000000762dc8
[   53.323693][ T1540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093df470
[   53.323939][ T1540] RBP: ff11000007e39000 R08: 1fe220000127be8f R09: ff11000004c75180
[   53.324188][ T1540] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.324513][ T1540] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003b17100
[   53.324816][ T1540] FS:  00007fa4e4655840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   53.325197][ T1540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.325496][ T1540] CR2: 00000000317dc988 CR3: 000000000f77a001 CR4: 0000000000771ef0
[   53.325829][ T1540] PKRU: 55555554
[   53.325997][ T1540] Call Trace:
[   53.326167][ T1540]  <TASK>
[   53.326285][ T1540]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.326529][ T1540]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.326699][ T1540]  netif_close_many (net/core/dev.c:1804)
[   53.326924][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.327148][ T1540]  ? __dev_close_many (net/core/dev.c:1781)
[   53.328140][ T1540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.328389][ T1540]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.328615][ T1540]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.328836][ T1540]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   53.329112][ T1540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.329320][ T1540]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.329597][ T1540]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.329740][ T1540]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.329921][ T1540]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.330171][ T1540]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.330323][ T1540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.330490][ T1540]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.330633][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.330771][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.330906][ T1540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.331044][ T1540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.331183][ T1540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.331347][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.331489][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.331681][ T1540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.331879][ T1540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.332083][ T1540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.332291][ T1540]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   53.332530][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.332738][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.332945][ T1540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.333145][ T1540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.333368][ T1540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.333528][ T1540]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.333664][ T1540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.333800][ T1540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.333935][ T1540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.334074][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.334210][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.334364][ T1540]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.334506][ T1540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.334646][ T1540]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.334788][ T1540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.334925][ T1540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.335065][ T1540]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.335202][ T1540]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.335344][ T1540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.335490][ T1540]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.335629][ T1540]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.335769][ T1540]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.335931][ T1540]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.336076][ T1540]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.336214][ T1540]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.336412][ T1540]  ? move_addr_to_kernel (net/socket.c:258)
[   53.336554][ T1540]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.336692][ T1540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.336831][ T1540]  ___sys_sendmsg (net/socket.c:2752)
[   53.336967][ T1540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.337144][ T1540]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.337299][ T1540]  __sys_sendmsg (net/socket.c:2784)
[   53.337451][ T1540]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.337591][ T1540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.337761][ T1540]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.337897][ T1540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.338032][ T1540]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.338170][ T1540]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.338304][ T1540]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.338454][ T1540]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.338632][ T1540] RIP: 0033:0x7fa4e488f08e
[   53.338780][ T1540] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.339273][ T1540] RSP: 002b:00007ffd4b7b4140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.339495][ T1540] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4e488f08e
[   53.339706][ T1540] RDX: 0000000000000000 RSI: 00007ffd4b7b41f0 RDI: 0000000000000005
[   53.339914][ T1540] RBP: 00007ffd4b7b4150 R08: 0000000000000000 R09: 0000000000000000
[   53.340123][ T1540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   53.340339][ T1540] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b7b48c0
| [   53.343239][ T1540] ------------[ cut here ]------------
| [   53.343416][ T1540] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1540
| [   53.343795][ T1540] Modules linked in: netdevsim
| [   53.344542][ T1540] Tainted: [W]=WARN
[   53.344695][ T1540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.345044][ T1540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.345301][ T1540] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.345893][ T1540] RSP: 0018:ffa0000003b17190 EFLAGS: 00010286
[   53.346057][ T1540] RAX: 00000000ffffffa6 RBX: ff11000004f933c0 RCX: 1ff4000000762df8
[   53.346253][ T1540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93470
[   53.346521][ T1540] RBP: ff11000007e39000 R08: 1fe22000009f268f R09: ff11000004c75158
[   53.346714][ T1540] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.346905][ T1540] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.347100][ T1540] FS:  00007fa4e4655840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   53.347394][ T1540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.347560][ T1540] CR2: 00000000317dc988 CR3: 000000000f77a001 CR4: 0000000000771ef0
[   53.347755][ T1540] PKRU: 55555554
[   53.347854][ T1540] Call Trace:
[   53.347955][ T1540]  <TASK>
[   53.348024][ T1540]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.348191][ T1540]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.348415][ T1540]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.348554][ T1540]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.348687][ T1540]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.348849][ T1540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.348986][ T1540]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.349115][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.349247][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.349460][ T1540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.349593][ T1540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.349721][ T1540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.349874][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.350003][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.350133][ T1540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.350264][ T1540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.350495][ T1540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.350628][ T1540]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   53.350763][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.350892][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.351025][ T1540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.351152][ T1540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.351282][ T1540]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.351498][ T1540]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.351626][ T1540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.351754][ T1540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.351882][ T1540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.352013][ T1540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.352142][ T1540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.352277][ T1540]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.352494][ T1540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.352627][ T1540]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.352762][ T1540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.352895][ T1540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.353029][ T1540]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.353158][ T1540]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.353287][ T1540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.353481][ T1540]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.353610][ T1540]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.353742][ T1540]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.353882][ T1540]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.354016][ T1540]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.354146][ T1540]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.354306][ T1540]  ? move_addr_to_kernel (net/socket.c:258)
[   53.354501][ T1540]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.354635][ T1540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.354769][ T1540]  ___sys_sendmsg (net/socket.c:2752)
[   53.354898][ T1540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.355061][ T1540]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.355209][ T1540]  __sys_sendmsg (net/socket.c:2784)
[   53.355525][ T1540]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.355655][ T1540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.355821][ T1540]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.355949][ T1540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.356078][ T1540]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.356207][ T1540]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.356360][ T1540]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.356490][ T1540]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.356650][ T1540] RIP: 0033:0x7fa4e488f08e
[   53.356795][ T1540] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.357263][ T1540] RSP: 002b:00007ffd4b7b4140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.357475][ T1540] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4e488f08e
[   53.357667][ T1540] RDX: 0000000000000000 RSI: 00007ffd4b7b41f0 RDI: 0000000000000005
[   53.357862][ T1540] RBP: 00007ffd4b7b4150 R08: 0000000000000000 R09: 0000000000000000
[   53.358054][ T1540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   53.358251][ T1540] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b7b48c0
| [   53.425777][ T1541] ------------[ cut here ]------------
| [   53.426036][ T1541] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1541
| [   53.426925][ T1541] Modules linked in: netdevsim
| [   53.427598][ T1541] Tainted: [W]=WARN
[   53.427758][ T1541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.428024][ T1541] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.428300][ T1541] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.429085][ T1541] RSP: 0018:ffa0000003b27010 EFLAGS: 00010286
[   53.429377][ T1541] RAX: 00000000ffffffa6 RBX: ff11000004ec13c0 RCX: 1ff4000000764dc8
[   53.429695][ T1541] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1470
[   53.430010][ T1541] RBP: ff11000008c11000 R08: 1fe22000009d828f R09: ff1100000cc9d180
[   53.430341][ T1541] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.430674][ T1541] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003b27100
[   53.431003][ T1541] FS:  00007faffffc2840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   53.431389][ T1541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.431658][ T1541] CR2: 00007fb0002921a0 CR3: 000000000f617003 CR4: 0000000000771ef0
[   53.431978][ T1541] PKRU: 55555554
[   53.432140][ T1541] Call Trace:
[   53.432303][ T1541]  <TASK>
[   53.432435][ T1541]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.432661][ T1541]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.432824][ T1541]  netif_close_many (net/core/dev.c:1804)
[   53.433038][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.433255][ T1541]  ? __dev_close_many (net/core/dev.c:1781)
[   53.433481][ T1541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.433694][ T1541]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.433907][ T1541]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.434120][ T1541]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   53.434400][ T1541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.434617][ T1541]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.434876][ T1541]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.435085][ T1541]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.435295][ T1541]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.435571][ T1541]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.435784][ T1541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.435998][ T1541]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.436208][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.436443][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.436654][ T1541]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.436855][ T1541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.437061][ T1541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.437308][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.437537][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.437748][ T1541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.437956][ T1541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.438167][ T1541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.438428][ T1541]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   53.438651][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.438856][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.439075][ T1541]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.439289][ T1541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.439647][ T1541]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.439857][ T1541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.440075][ T1541]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.440282][ T1541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.440607][ T1541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.440920][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.441134][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.441666][ T1541]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.441883][ T1541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.442099][ T1541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.442317][ T1541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.442659][ T1541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.442877][ T1541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.443095][ T1541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.443314][ T1541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.443751][ T1541]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.443970][ T1541]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.444185][ T1541]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.444460][ T1541]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.444678][ T1541]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.444890][ T1541]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.445157][ T1541]  ? move_addr_to_kernel (net/socket.c:258)
[   53.445388][ T1541]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.445595][ T1541]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.445812][ T1541]  ___sys_sendmsg (net/socket.c:2752)
[   53.446042][ T1541]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.446311][ T1541]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.446571][ T1541]  __sys_sendmsg (net/socket.c:2784)
[   53.446790][ T1541]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.447011][ T1541]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.447300][ T1541]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.447539][ T1541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.447751][ T1541]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.447963][ T1541]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.448176][ T1541]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.448409][ T1541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.448670][ T1541] RIP: 0033:0x7fb0001fc08e
[   53.448894][ T1541] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.449664][ T1541] RSP: 002b:00007fff92c35860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.449993][ T1541] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb0001fc08e
[   53.450307][ T1541] RDX: 0000000000000000 RSI: 00007fff92c35910 RDI: 0000000000000005
[   53.450641][ T1541] RBP: 00007fff92c35870 R08: 0000000000000000 R09: 0000000000000000
[   53.450963][ T1541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   53.451295][ T1541] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff92c35fe0
| [   53.455420][ T1541] ------------[ cut here ]------------
| [   53.455676][ T1541] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1541
| [   53.456032][ T1541] Modules linked in: netdevsim
| [   53.456554][ T1541] Tainted: [W]=WARN
[   53.456699][ T1541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.456945][ T1541] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.457256][ T1541] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.457836][ T1541] RSP: 0018:ffa0000003b27190 EFLAGS: 00010286
[   53.458131][ T1541] RAX: 00000000ffffffa6 RBX: ff1100000ed6f540 RCX: 1ff4000000764df8
[   53.458417][ T1541] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f5f0
[   53.458726][ T1541] RBP: ff11000008c11000 R08: 1fe2200001dadebf R09: ff1100000cc9d158
[   53.458964][ T1541] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.459209][ T1541] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.459478][ T1541] FS:  00007faffffc2840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   53.459823][ T1541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.460102][ T1541] CR2: 000055fbe875cd5c CR3: 000000000f617004 CR4: 0000000000771ef0
[   53.460380][ T1541] PKRU: 55555554
[   53.460538][ T1541] Call Trace:
[   53.460732][ T1541]  <TASK>
[   53.460887][ T1541]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.461193][ T1541]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.461509][ T1541]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.461714][ T1541]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.461890][ T1541]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.462099][ T1541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.462278][ T1541]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.462478][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.462709][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.462954][ T1541]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.463197][ T1541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.463465][ T1541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.463689][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.463927][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.464167][ T1541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.464443][ T1541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.464682][ T1541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.464927][ T1541]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   53.465171][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.465438][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.465679][ T1541]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.465924][ T1541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.466175][ T1541]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.466453][ T1541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.466690][ T1541]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.466915][ T1541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.467166][ T1541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.467441][ T1541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.467629][ T1541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.467809][ T1541]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.467989][ T1541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.468167][ T1541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.468369][ T1541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.468547][ T1541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.468726][ T1541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.468912][ T1541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.469087][ T1541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.469266][ T1541]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.469484][ T1541]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.469671][ T1541]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.469862][ T1541]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.470045][ T1541]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.470222][ T1541]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.470446][ T1541]  ? move_addr_to_kernel (net/socket.c:258)
[   53.470626][ T1541]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.470829][ T1541]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.471012][ T1541]  ___sys_sendmsg (net/socket.c:2752)
[   53.471187][ T1541]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.471416][ T1541]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.471605][ T1541]  __sys_sendmsg (net/socket.c:2784)
[   53.471782][ T1541]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.471956][ T1541]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.472169][ T1541]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.472368][ T1541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.472547][ T1541]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.472723][ T1541]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.472898][ T1541]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.473076][ T1541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.473282][ T1541] RIP: 0033:0x7fb0001fc08e
[   53.473488][ T1541] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.474005][ T1541] RSP: 002b:00007fff92c35860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.474247][ T1541] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb0001fc08e
[   53.474508][ T1541] RDX: 0000000000000000 RSI: 00007fff92c35910 RDI: 0000000000000005
[   53.474744][ T1541] RBP: 00007fff92c35870 R08: 0000000000000000 R09: 0000000000000000
[   53.474981][ T1541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   53.475232][ T1541] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff92c35fe0
| [   53.580149][ T1550] ------------[ cut here ]------------
| [   53.580340][ T1550] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1550
| [   53.580629][ T1550] Modules linked in: netdevsim
| [   53.581074][ T1550] Tainted: [W]=WARN
[   53.581181][ T1550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.581376][ T1550] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.581563][ T1550] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.582064][ T1550] RSP: 0018:ffa0000003b871b0 EFLAGS: 00010286
[   53.582241][ T1550] RAX: 00000000ffffffa6 RBX: ff11000004b0a040 RCX: 1ff4000000770dfc
[   53.582467][ T1550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a0f0
[   53.582682][ T1550] RBP: ff11000008519000 R08: 1fe220000096141f R09: ff1100000df251a8
[   53.582895][ T1550] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.583104][ T1550] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   53.583315][ T1550] FS:  00007fa0f68a5840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   53.583572][ T1550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.583751][ T1550] CR2: 00000000004a77b8 CR3: 000000000f828001 CR4: 0000000000771ef0
[   53.583961][ T1550] PKRU: 55555554
[   53.584066][ T1550] Call Trace:
[   53.584169][ T1550]  <TASK>
[   53.584242][ T1550]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.584393][ T1550]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.584533][ T1550]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.584674][ T1550]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.584780][ T1550]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   53.584922][ T1550]  __dev_notify_flags (net/core/dev.c:9787)
[   53.585063][ T1550]  ? netif_change_name (net/core/dev.c:1495)
[   53.585205][ T1550]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   53.585391][ T1550]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   53.585534][ T1550]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   53.585673][ T1550]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   53.585813][ T1550]  ? __dev_get_by_name (net/core/dev.c:883)
[   53.585952][ T1550]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   53.586101][ T1550]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   53.586318][ T1550]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.586486][ T1550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.586624][ T1550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.586761][ T1550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.586898][ T1550]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.587054][ T1550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.587198][ T1550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.587343][ T1550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.587487][ T1550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.587627][ T1550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.587768][ T1550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.587907][ T1550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.588052][ T1550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.588191][ T1550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.588339][ T1550]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.588485][ T1550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.588625][ T1550]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.588767][ T1550]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.588906][ T1550]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.589047][ T1550]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.589188][ T1550]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.589335][ T1550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.589480][ T1550]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.589619][ T1550]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.589758][ T1550]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.589900][ T1550]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.590040][ T1550]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.590179][ T1550]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.590362][ T1550]  ? move_addr_to_kernel (net/socket.c:258)
[   53.590502][ T1550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.590645][ T1550]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   53.590787][ T1550]  ___sys_sendmsg (net/socket.c:2752)
[   53.590927][ T1550]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   53.591067][ T1550]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.591212][ T1550]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   53.591369][ T1550]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   53.591512][ T1550]  __sys_sendmsg (net/socket.c:2784)
[   53.591651][ T1550]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.591798][ T1550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.591939][ T1550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.592080][ T1550]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.592221][ T1550]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.592373][ T1550]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.592513][ T1550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.592684][ T1550] RIP: 0033:0x7fa0f6adf08e
[   53.592830][ T1550] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.593323][ T1550] RSP: 002b:00007ffdb32a3970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.593547][ T1550] RAX: ffffffffffffffda RBX: 00007ffdb32a4120 RCX: 00007fa0f6adf08e
[   53.593754][ T1550] RDX: 0000000000000000 RSI: 00007ffdb32a3a20 RDI: 0000000000000005
[   53.593961][ T1550] RBP: 00007ffdb32a3980 R08: 0000000000000000 R09: 0000000000000000
[   53.594170][ T1550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   53.594391][ T1550] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb32a40f0
| [   53.631803][ T1551] ------------[ cut here ]------------
| [   53.632057][ T1551] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1551
| [   53.632501][ T1551] Modules linked in: netdevsim
| [   53.633159][ T1551] Tainted: [W]=WARN
[   53.633324][ T1551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.633606][ T1551] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.633886][ T1551] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.634655][ T1551] RSP: 0018:ffa0000003b97020 EFLAGS: 00010286
[   53.634931][ T1551] RAX: 00000000ffffffa6 RBX: ff1100000ed73b40 RCX: 1ff4000000772dca
[   53.635251][ T1551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed73bf0
[   53.635585][ T1551] RBP: ff11000008519000 R08: 1fe2200001dae77f R09: ff11000004d2ae80
[   53.635906][ T1551] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   53.636224][ T1551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   53.636558][ T1551] FS:  00007fa4c76fb840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   53.636934][ T1551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.637202][ T1551] CR2: 0000000024b30988 CR3: 000000000c5a7005 CR4: 0000000000771ef0
[   53.637656][ T1551] PKRU: 55555554
[   53.637818][ T1551] Call Trace:
[   53.637979][ T1551]  <TASK>
[   53.638094][ T1551]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.638313][ T1551]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.638638][ T1551]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.638855][ T1551]  __dev_notify_flags (net/core/dev.c:9787)
[   53.639077][ T1551]  ? netif_change_name (net/core/dev.c:1495)
[   53.639290][ T1551]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.639686][ T1551]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.639898][ T1551]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.640115][ T1551]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   53.640439][ T1551]  netif_change_flags (net/core/dev.c:9820)
[   53.640657][ T1551]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.640872][ T1551]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.641076][ T1551]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.641459][ T1551]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.641674][ T1551]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.641885][ T1551]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.642096][ T1551]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.642313][ T1551]  ? __kernel_text_address (kernel/extable.c:79)
[   53.642605][ T1551]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.642820][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.643003][ T1551]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.643206][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.643447][ T1551]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.643662][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.643877][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.644088][ T1551]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.644298][ T1551]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   53.644522][ T1551]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.644740][ T1551]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.644958][ T1551]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.645173][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.645403][ T1551]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.645624][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.645835][ T1551]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.646050][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.646260][ T1551]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.646480][ T1551]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.646699][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.646910][ T1551]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.647122][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.647343][ T1551]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.647560][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.647771][ T1551]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.647987][ T1551]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.648199][ T1551]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.648423][ T1551]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.648638][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.648852][ T1551]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.649067][ T1551]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.649277][ T1551]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.649506][ T1551]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.649726][ T1551]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.649936][ T1551]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.650150][ T1551]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.650378][ T1551]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.650596][ T1551]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.650811][ T1551]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.651026][ T1551]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.651237][ T1551]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.651461][ T1551]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.651676][ T1551]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.651888][ T1551]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.652153][ T1551]  ? move_addr_to_kernel (net/socket.c:258)
[   53.652381][ T1551]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.652595][ T1551]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.652807][ T1551]  ___sys_sendmsg (net/socket.c:2752)
[   53.653014][ T1551]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.653278][ T1551]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.653527][ T1551]  __sys_sendmsg (net/socket.c:2784)
[   53.653742][ T1551]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.653951][ T1551]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.654214][ T1551]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.654436][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.654650][ T1551]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.654860][ T1551]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.655071][ T1551]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.655281][ T1551]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.655563][ T1551] RIP: 0033:0x7fa4c793508e
[   53.655786][ T1551] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.656546][ T1551] RSP: 002b:00007ffdf9174910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.656871][ T1551] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa4c793508e
[   53.657185][ T1551] RDX: 0000000000000000 RSI: 00007ffdf91749c0 RDI: 0000000000000005
[   53.657508][ T1551] RBP: 00007ffdf9174920 R08: 0000000000000000 R09: 0000000000000000
[   53.657825][ T1551] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8b
[   53.658182][ T1551] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf9175090
| [   54.080949][ T1572] ------------[ cut here ]------------
| [   54.081146][ T1572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1572
| [   54.081445][ T1572] Modules linked in: netdevsim
| [   54.081879][ T1572] Tainted: [W]=WARN
[   54.081985][ T1572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.082162][ T1572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.083036][ T1572] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.083544][ T1572] RSP: 0018:ffa0000003c27010 EFLAGS: 00010286
[   54.083724][ T1572] RAX: 00000000ffffffa6 RBX: ff1100000c194040 RCX: 1ff4000000784dc8
[   54.083928][ T1572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1940f0
[   54.084137][ T1572] RBP: ff11000008519000 R08: 1fe220000183281f R09: ff1100000f7cd180
[   54.084355][ T1572] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   54.084570][ T1572] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003c27100
[   54.084778][ T1572] FS:  00007fc763760840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   54.085021][ T1572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.085195][ T1572] CR2: 00007fc763a301a0 CR3: 000000000f799006 CR4: 0000000000771ef0
[   54.085415][ T1572] PKRU: 55555554
[   54.085519][ T1572] Call Trace:
[   54.085626][ T1572]  <TASK>
[   54.085698][ T1572]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.085839][ T1572]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.085944][ T1572]  netif_close_many (net/core/dev.c:1804)
[   54.086082][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.086221][ T1572]  ? __dev_close_many (net/core/dev.c:1781)
[   54.086372][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.086511][ T1572]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.086648][ T1572]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.086784][ T1572]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   54.086956][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.087094][ T1572]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.087264][ T1572]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.087413][ T1572]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.087551][ T1572]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.087722][ T1572]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.087858][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.087998][ T1572]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   54.088138][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.088275][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.088427][ T1572]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.088567][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.088703][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.088859][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.088995][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.089135][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.089273][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.089422][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.089559][ T1572]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   54.089700][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.089836][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.089972][ T1572]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.090107][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.090246][ T1572]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.090395][ T1572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.090536][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.090672][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.090809][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.090951][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.091086][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.091227][ T1572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.091377][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.091518][ T1572]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.091663][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.091799][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.091938][ T1572]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.092075][ T1572]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.092213][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.092356][ T1572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.092500][ T1572]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.092638][ T1572]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.092779][ T1572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.092916][ T1572]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.093052][ T1572]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.093220][ T1572]  ? move_addr_to_kernel (net/socket.c:258)
[   54.093368][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.093506][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.093646][ T1572]  ___sys_sendmsg (net/socket.c:2752)
[   54.093782][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.093954][ T1572]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.094105][ T1572]  __sys_sendmsg (net/socket.c:2784)
[   54.094242][ T1572]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.094390][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.094566][ T1572]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.094704][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.094843][ T1572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.094980][ T1572]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.095116][ T1572]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.095252][ T1572]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.095433][ T1572] RIP: 0033:0x7fc76399a08e
[   54.095582][ T1572] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.096073][ T1572] RSP: 002b:00007ffc5fa16730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.096283][ T1572] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc76399a08e
[   54.096499][ T1572] RDX: 0000000000000000 RSI: 00007ffc5fa167e0 RDI: 0000000000000005
[   54.096707][ T1572] RBP: 00007ffc5fa16740 R08: 0000000000000000 R09: 0000000000000000
[   54.096911][ T1572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8c
[   54.097115][ T1572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5fa16eb0
| [   54.100161][ T1572] ------------[ cut here ]------------
| [   54.100306][ T1572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1572
| [   54.100590][ T1572] Modules linked in: netdevsim
| [   54.100987][ T1572] Tainted: [W]=WARN
[   54.101083][ T1572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.101244][ T1572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.101504][ T1572] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.102034][ T1572] RSP: 0018:ffa0000003c27190 EFLAGS: 00010286
[   54.102199][ T1572] RAX: 00000000ffffffa6 RBX: ff1100000c194340 RCX: 1ff4000000784df8
[   54.102491][ T1572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1943f0
[   54.102680][ T1572] RBP: ff11000008519000 R08: 1fe220000183287f R09: ff1100000f7cd158
[   54.102872][ T1572] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.103155][ T1572] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.103421][ T1572] FS:  00007fc763760840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   54.103645][ T1572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.103833][ T1572] CR2: 00007fc763a301a0 CR3: 000000000f799006 CR4: 0000000000771ef0
[   54.104112][ T1572] PKRU: 55555554
[   54.104209][ T1572] Call Trace:
[   54.104303][ T1572]  <TASK>
[   54.104467][ T1572]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.104633][ T1572]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.104788][ T1572]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.104921][ T1572]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.105130][ T1572]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.105292][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.105522][ T1572]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   54.105650][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.105775][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.105983][ T1572]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.106110][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.106235][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.106478][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.106605][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.106736][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.106945][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.107071][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.107200][ T1572]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   54.107405][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.107535][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.107661][ T1572]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.107871][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.107998][ T1572]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.108130][ T1572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.108257][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.108462][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.108590][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.108723][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.108850][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.108977][ T1572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.109103][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.109313][ T1572]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.109506][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.109633][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.109765][ T1572]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.109892][ T1572]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.110019][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.110231][ T1572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.110370][ T1572]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.110496][ T1572]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.110625][ T1572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.110838][ T1572]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.110967][ T1572]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.111123][ T1572]  ? move_addr_to_kernel (net/socket.c:258)
[   54.111252][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.111475][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.111603][ T1572]  ___sys_sendmsg (net/socket.c:2752)
[   54.111728][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.111887][ T1572]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.112112][ T1572]  __sys_sendmsg (net/socket.c:2784)
[   54.112238][ T1572]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.112374][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.112617][ T1572]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.112744][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.112870][ T1572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.112999][ T1572]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.113215][ T1572]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.113349][ T1572]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.113512][ T1572] RIP: 0033:0x7fc76399a08e
[   54.113649][ T1572] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.114185][ T1572] RSP: 002b:00007ffc5fa16730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.114395][ T1572] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc76399a08e
[   54.114584][ T1572] RDX: 0000000000000000 RSI: 00007ffc5fa167e0 RDI: 0000000000000005
[   54.114774][ T1572] RBP: 00007ffc5fa16740 R08: 0000000000000000 R09: 0000000000000000
[   54.115058][ T1572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8c
[   54.115255][ T1572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5fa16eb0
| [   54.253786][ T1582] ------------[ cut here ]------------
| [   54.254061][ T1582] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1582
| [   54.254464][ T1582] Modules linked in: netdevsim
| [   54.255078][ T1582] Tainted: [W]=WARN
[   54.255234][ T1582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.255532][ T1582] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.255798][ T1582] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.256537][ T1582] RSP: 0018:ffa0000003ca71b0 EFLAGS: 00010286
[   54.256811][ T1582] RAX: 00000000ffffffa6 RBX: ff1100000ed6f3c0 RCX: 1ff4000000794dfc
[   54.257094][ T1582] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f470
[   54.257409][ T1582] RBP: ff11000008104000 R08: 1fe2200001dade8f R09: ff1100000f9b51a8
[   54.257743][ T1582] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.258073][ T1582] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   54.258415][ T1582] FS:  00007fd2214ae840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   54.258795][ T1582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.259033][ T1582] CR2: 00007fd2217bff10 CR3: 000000000ed0f004 CR4: 0000000000771ef0
[   54.259319][ T1582] PKRU: 55555554
[   54.259472][ T1582] Call Trace:
[   54.259609][ T1582]  <TASK>
[   54.259721][ T1582]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.259924][ T1582]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.260109][ T1582]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.260291][ T1582]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.260441][ T1582]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   54.260631][ T1582]  __dev_notify_flags (net/core/dev.c:9787)
[   54.260823][ T1582]  ? netif_change_name (net/core/dev.c:1495)
[   54.261017][ T1582]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.261278][ T1582]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   54.261484][ T1582]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   54.261677][ T1582]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   54.261864][ T1582]  ? __dev_get_by_name (net/core/dev.c:883)
[   54.262070][ T1582]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   54.262268][ T1582]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   54.262475][ T1582]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.262667][ T1582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.262849][ T1582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.263033][ T1582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.263218][ T1582]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.263413][ T1582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.263630][ T1582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.263820][ T1582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.264014][ T1582]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.264222][ T1582]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.264455][ T1582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.264669][ T1582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.264891][ T1582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.265108][ T1582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.265324][ T1582]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.265533][ T1582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.265743][ T1582]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.265941][ T1582]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.266120][ T1582]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.266307][ T1582]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.266506][ T1582]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.266688][ T1582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.266874][ T1582]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.267072][ T1582]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.267273][ T1582]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.267477][ T1582]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.267663][ T1582]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.267854][ T1582]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.268099][ T1582]  ? move_addr_to_kernel (net/socket.c:258)
[   54.268294][ T1582]  ___sys_sendmsg (net/socket.c:2752)
[   54.268500][ T1582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.268716][ T1582]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.268925][ T1582]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   54.269139][ T1582]  __sys_sendmsg (net/socket.c:2784)
[   54.269373][ T1582]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.269604][ T1582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.269827][ T1582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.270047][ T1582]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.270246][ T1582]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.270464][ T1582]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.270656][ T1582]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.270882][ T1582] RIP: 0033:0x7fd2216e808e
[   54.271073][ T1582] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.271731][ T1582] RSP: 002b:00007ffc8477e370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.272016][ T1582] RAX: ffffffffffffffda RBX: 00007ffc8477eb20 RCX: 00007fd2216e808e
[   54.272309][ T1582] RDX: 0000000000000000 RSI: 00007ffc8477e420 RDI: 0000000000000005
[   54.272595][ T1582] RBP: 00007ffc8477e380 R08: 0000000000000000 R09: 0000000000000000
[   54.272874][ T1582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8c
[   54.273151][ T1582] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8477eaf0
| [   54.305668][ T1583] ------------[ cut here ]------------
| [   54.305857][ T1583] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1583
| [   54.306245][ T1583] Modules linked in: netdevsim
| [   54.306872][ T1583] Tainted: [W]=WARN
[   54.306977][ T1583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.307148][ T1583] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.307343][ T1583] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.307845][ T1583] RSP: 0018:ffa0000003cb7020 EFLAGS: 00010286
[   54.308015][ T1583] RAX: 00000000ffffffa6 RBX: ff11000004f92f40 RCX: 1ff4000000796dca
[   54.308216][ T1583] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92ff0
[   54.308531][ T1583] RBP: ff11000008104000 R08: 1fe22000009f25ff R09: ff1100000c292e80
[   54.308736][ T1583] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   54.308936][ T1583] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   54.309138][ T1583] FS:  00007fa1c6bd7840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   54.309450][ T1583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.309620][ T1583] CR2: 0000000015139988 CR3: 000000000f9c7004 CR4: 0000000000771ef0
[   54.309822][ T1583] PKRU: 55555554
[   54.309923][ T1583] Call Trace:
[   54.310024][ T1583]  <TASK>
[   54.310102][ T1583]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.310305][ T1583]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.310524][ T1583]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.310759][ T1583]  __dev_notify_flags (net/core/dev.c:9787)
[   54.310896][ T1583]  ? netif_change_name (net/core/dev.c:1495)
[   54.311032][ T1583]  ? __dev_change_flags (net/core/dev.c:9752)
[   54.311166][ T1583]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   54.311298][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.311535][ T1583]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   54.311676][ T1583]  netif_change_flags (net/core/dev.c:9820)
[   54.311812][ T1583]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.311950][ T1583]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.312148][ T1583]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.312415][ T1583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.312551][ T1583]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.312685][ T1583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.312860][ T1583]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.312995][ T1583]  ? __kernel_text_address (kernel/extable.c:79)
[   54.313133][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.313270][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.313465][ T1583]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.313601][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.313741][ T1583]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.313877][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.314018][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.314152][ T1583]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.314287][ T1583]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   54.314493][ T1583]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.314628][ T1583]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.314763][ T1583]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.314899][ T1583]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.315041][ T1583]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.315177][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.315312][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.315518][ T1583]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.315653][ T1583]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.315790][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.315926][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.316060][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.316197][ T1583]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.316395][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.316532][ T1583]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.316668][ T1583]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.316804][ T1583]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.316937][ T1583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.317073][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.317210][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.317381][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.317520][ T1583]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.317655][ T1583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.317792][ T1583]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.317930][ T1583]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.318063][ T1583]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.318200][ T1583]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.318347][ T1583]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.318490][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.318633][ T1583]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.318776][ T1583]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.318921][ T1583]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.319097][ T1583]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.319300][ T1583]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.319528][ T1583]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.319798][ T1583]  ? move_addr_to_kernel (net/socket.c:258)
[   54.319970][ T1583]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.320104][ T1583]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.320240][ T1583]  ___sys_sendmsg (net/socket.c:2752)
[   54.320388][ T1583]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.320597][ T1583]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.320826][ T1583]  __sys_sendmsg (net/socket.c:2784)
[   54.321037][ T1583]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.321240][ T1583]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.321454][ T1583]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.321643][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.321824][ T1583]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.322017][ T1583]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.322221][ T1583]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.322461][ T1583]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.322666][ T1583] RIP: 0033:0x7fa1c6e1108e
[   54.322809][ T1583] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.323290][ T1583] RSP: 002b:00007ffe928e9930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.323562][ T1583] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa1c6e1108e
[   54.323801][ T1583] RDX: 0000000000000000 RSI: 00007ffe928e99e0 RDI: 0000000000000005
[   54.324003][ T1583] RBP: 00007ffe928e9940 R08: 0000000000000000 R09: 0000000000000000
[   54.324211][ T1583] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8c
[   54.324429][ T1583] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe928ea0b0
| [   54.401427][ T1585] ------------[ cut here ]------------
| [   54.401621][ T1585] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1585
| [   54.401974][ T1585] Modules linked in: netdevsim
| [   54.403187][ T1585] Tainted: [W]=WARN
[   54.403304][ T1585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.403546][ T1585] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.403739][ T1585] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.404276][ T1585] RSP: 0018:ffa0000003bf71b0 EFLAGS: 00010286
[   54.404524][ T1585] RAX: 00000000ffffffa6 RBX: ff11000004b0ac40 RCX: 1ff400000077edfc
[   54.404735][ T1585] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0acf0
[   54.404940][ T1585] RBP: ff11000008511000 R08: 1fe220000096159f R09: ff1100000f928ba8
[   54.405149][ T1585] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.405373][ T1585] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   54.405583][ T1585] FS:  00007fba540cc840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   54.405897][ T1585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.406074][ T1585] CR2: 00000000004a77b8 CR3: 000000000dd3b003 CR4: 0000000000771ef0
[   54.406286][ T1585] PKRU: 55555554
[   54.406403][ T1585] Call Trace:
[   54.406513][ T1585]  <TASK>
[   54.406588][ T1585]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.406739][ T1585]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.406881][ T1585]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.407027][ T1585]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.407133][ T1585]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   54.407273][ T1585]  __dev_notify_flags (net/core/dev.c:9787)
[   54.407427][ T1585]  ? netif_change_name (net/core/dev.c:1495)
[   54.407571][ T1585]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.407747][ T1585]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   54.407891][ T1585]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   54.408032][ T1585]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   54.408171][ T1585]  ? __dev_get_by_name (net/core/dev.c:883)
[   54.408310][ T1585]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   54.408467][ T1585]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   54.408612][ T1585]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.408752][ T1585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.408898][ T1585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.409039][ T1585]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.409179][ T1585]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.409317][ T1585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.409472][ T1585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.409612][ T1585]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.409752][ T1585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.409894][ T1585]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.410036][ T1585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.410180][ T1585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.410322][ T1585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.410471][ T1585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.410613][ T1585]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.410755][ T1585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.410896][ T1585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.411041][ T1585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.411182][ T1585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.411331][ T1585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.411476][ T1585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.411616][ T1585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.411758][ T1585]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.411899][ T1585]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.412045][ T1585]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.412187][ T1585]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.412338][ T1585]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.412487][ T1585]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.412662][ T1585]  ? move_addr_to_kernel (net/socket.c:258)
[   54.412804][ T1585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.412945][ T1585]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   54.413093][ T1585]  ___sys_sendmsg (net/socket.c:2752)
[   54.413235][ T1585]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   54.413382][ T1585]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.413529][ T1585]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   54.413672][ T1585]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   54.413814][ T1585]  __sys_sendmsg (net/socket.c:2784)
[   54.413954][ T1585]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.414098][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.414242][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.414393][ T1585]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.414533][ T1585]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.414673][ T1585]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.414814][ T1585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.414987][ T1585] RIP: 0033:0x7fba5430608e
[   54.415136][ T1585] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.415649][ T1585] RSP: 002b:00007ffd6466a6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.415866][ T1585] RAX: ffffffffffffffda RBX: 00007ffd6466ae90 RCX: 00007fba5430608e
[   54.416081][ T1585] RDX: 0000000000000000 RSI: 00007ffd6466a790 RDI: 0000000000000005
[   54.416297][ T1585] RBP: 00007ffd6466a6f0 R08: 0000000000000000 R09: 0000000000000000
[   54.416519][ T1585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8c
[   54.416734][ T1585] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6466ae60
| [   54.445113][ T1586] ------------[ cut here ]------------
| [   54.445302][ T1586] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1586
| [   54.445601][ T1586] Modules linked in: netdevsim
| [   54.446041][ T1586] Tainted: [W]=WARN
[   54.446147][ T1586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.446324][ T1586] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.446519][ T1586] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.447008][ T1586] RSP: 0018:ffa0000003c07020 EFLAGS: 00010286
[   54.447186][ T1586] RAX: 00000000ffffffa6 RBX: ff11000004b0a7c0 RCX: 1ff4000000780dca
[   54.447518][ T1586] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a870
[   54.447732][ T1586] RBP: ff11000008511000 R08: 1fe220000096150f R09: ff1100000f92ae80
[   54.447940][ T1586] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   54.448234][ T1586] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   54.448536][ T1586] FS:  00007f2b286ad840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   54.448779][ T1586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.448955][ T1586] CR2: 0000000030b7a988 CR3: 000000000f427002 CR4: 0000000000771ef0
[   54.449169][ T1586] PKRU: 55555554
[   54.449273][ T1586] Call Trace:
[   54.449476][ T1586]  <TASK>
[   54.449551][ T1586]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.449693][ T1586]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.449798][ T1586]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.449937][ T1586]  __dev_notify_flags (net/core/dev.c:9787)
[   54.450075][ T1586]  ? netif_change_name (net/core/dev.c:1495)
[   54.450210][ T1586]  ? __dev_change_flags (net/core/dev.c:9752)
[   54.450441][ T1586]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   54.450579][ T1586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.450716][ T1586]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   54.450859][ T1586]  netif_change_flags (net/core/dev.c:9820)
[   54.450998][ T1586]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.451136][ T1586]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.451273][ T1586]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.451518][ T1586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.451658][ T1586]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.451797][ T1586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.451933][ T1586]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.452072][ T1586]  ? __kernel_text_address (kernel/extable.c:79)
[   54.452210][ T1586]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.452422][ T1586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.452561][ T1586]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.452697][ T1586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.452833][ T1586]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.452970][ T1586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.453106][ T1586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.453243][ T1586]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.453461][ T1586]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   54.453601][ T1586]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.453737][ T1586]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.453873][ T1586]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.454012][ T1586]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.454150][ T1586]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.454287][ T1586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.454465][ T1586]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.454600][ T1586]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.454739][ T1586]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.454881][ T1586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.455019][ T1586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.455159][ T1586]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.455297][ T1586]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.455444][ T1586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.455581][ T1586]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.455717][ T1586]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.455855][ T1586]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.455999][ T1586]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.456133][ T1586]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.456272][ T1586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.456415][ T1586]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.456551][ T1586]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.456686][ T1586]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.456823][ T1586]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.456965][ T1586]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.457103][ T1586]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.457241][ T1586]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.457384][ T1586]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.457519][ T1586]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.457655][ T1586]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.457799][ T1586]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.457940][ T1586]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.458083][ T1586]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.458218][ T1586]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.458358][ T1586]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.458528][ T1586]  ? move_addr_to_kernel (net/socket.c:258)
[   54.458669][ T1586]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.458804][ T1586]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.458943][ T1586]  ___sys_sendmsg (net/socket.c:2752)
[   54.459080][ T1586]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.459248][ T1586]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.459407][ T1586]  __sys_sendmsg (net/socket.c:2784)
[   54.459541][ T1586]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.459675][ T1586]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.459847][ T1586]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.459982][ T1586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.460120][ T1586]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.460255][ T1586]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.460401][ T1586]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.460536][ T1586]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.460702][ T1586] RIP: 0033:0x7f2b288e708e
[   54.460848][ T1586] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.461357][ T1586] RSP: 002b:00007fff22baa2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.461570][ T1586] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2b288e708e
[   54.461774][ T1586] RDX: 0000000000000000 RSI: 00007fff22baa370 RDI: 0000000000000005
[   54.461976][ T1586] RBP: 00007fff22baa2d0 R08: 0000000000000000 R09: 0000000000000000
[   54.462180][ T1586] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8c
[   54.462397][ T1586] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff22baaa40
| [   55.085897][ T1615] ------------[ cut here ]------------
| [   55.086127][ T1615] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1615
| [   55.086484][ T1615] Modules linked in: netdevsim
| [   55.087004][ T1615] Tainted: [W]=WARN
[   55.087169][ T1615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.087498][ T1615] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.087831][ T1615] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.088466][ T1615] RSP: 0018:ffa0000003da7010 EFLAGS: 00010286
[   55.088782][ T1615] RAX: 00000000ffffffa6 RBX: ff1100000ed72640 RCX: 1ff40000007b4dc8
[   55.089113][ T1615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed726f0
[   55.089423][ T1615] RBP: ff11000008104000 R08: 1fe2200001dae4df R09: ff1100000f68ae80
[   55.089671][ T1615] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.089921][ T1615] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003da7100
[   55.090175][ T1615] FS:  00007f69805b4840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   55.090480][ T1615] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.090703][ T1615] CR2: 000000001a399988 CR3: 00000000093fa005 CR4: 0000000000771ef0
[   55.090960][ T1615] PKRU: 55555554
[   55.091111][ T1615] Call Trace:
[   55.091261][ T1615]  <TASK>
[   55.091400][ T1615]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.091589][ T1615]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.091745][ T1615]  netif_close_many (net/core/dev.c:1804)
[   55.091929][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.092115][ T1615]  ? __dev_close_many (net/core/dev.c:1781)
[   55.092299][ T1615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.092508][ T1615]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.092696][ T1615]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.092880][ T1615]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   55.093103][ T1615]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.093290][ T1615]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.093524][ T1615]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.093711][ T1615]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.093893][ T1615]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.094111][ T1615]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.094294][ T1615]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.094499][ T1615]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   55.094684][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.094867][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.095054][ T1615]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.095238][ T1615]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.095443][ T1615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.095646][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.095829][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.096011][ T1615]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.096199][ T1615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.096405][ T1615]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.096590][ T1615]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   55.096778][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.096962][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.097149][ T1615]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.097347][ T1615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.097541][ T1615]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.097725][ T1615]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.097909][ T1615]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.098092][ T1615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.098277][ T1615]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.098483][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.098666][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.098857][ T1615]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.099041][ T1615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.099224][ T1615]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.099429][ T1615]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.099612][ T1615]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.099798][ T1615]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.099986][ T1615]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.100171][ T1615]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.100377][ T1615]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.100563][ T1615]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.100749][ T1615]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.100939][ T1615]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.101125][ T1615]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.101308][ T1615]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.101545][ T1615]  ? move_addr_to_kernel (net/socket.c:258)
[   55.101732][ T1615]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.101920][ T1615]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.102113][ T1615]  ___sys_sendmsg (net/socket.c:2752)
[   55.102294][ T1615]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.102576][ T1615]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.102780][ T1615]  __sys_sendmsg (net/socket.c:2784)
[   55.102965][ T1615]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.103148][ T1615]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.103391][ T1615]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.103582][ T1615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.103777][ T1615]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.103963][ T1615]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.104149][ T1615]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.104347][ T1615]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.104574][ T1615] RIP: 0033:0x7f69807ee08e
[   55.104766][ T1615] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.105296][ T1615] RSP: 002b:00007ffd188fb1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.105574][ T1615] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69807ee08e
[   55.105822][ T1615] RDX: 0000000000000000 RSI: 00007ffd188fb250 RDI: 0000000000000005
[   55.106074][ T1615] RBP: 00007ffd188fb1b0 R08: 0000000000000000 R09: 0000000000000000
[   55.106339][ T1615] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.106600][ T1615] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd188fb920
| [   55.122089][ T1615] ------------[ cut here ]------------
| [   55.122308][ T1615] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1615
| [   55.122691][ T1615] Modules linked in: netdevsim
| [   55.123258][ T1615] Tainted: [W]=WARN
[   55.123418][ T1615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.123658][ T1615] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.123919][ T1615] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.124621][ T1615] RSP: 0018:ffa0000003da7190 EFLAGS: 00010286
[   55.124876][ T1615] RAX: 00000000ffffffa6 RBX: ff110000091116c0 RCX: 1ff40000007b4df8
[   55.125171][ T1615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009111770
[   55.125487][ T1615] RBP: ff11000008104000 R08: 1fe22000012222ef R09: ff1100000f68ae58
[   55.125783][ T1615] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.126085][ T1615] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.126409][ T1615] FS:  00007f69805b4840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   55.126765][ T1615] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.127017][ T1615] CR2: 00007f8375e9d580 CR3: 00000000093fa002 CR4: 0000000000771ef0
[   55.127318][ T1615] PKRU: 55555554
[   55.127482][ T1615] Call Trace:
[   55.127632][ T1615]  <TASK>
[   55.127736][ T1615]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.127993][ T1615]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.128239][ T1615]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.128447][ T1615]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.128646][ T1615]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.128896][ T1615]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.129097][ T1615]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   55.129295][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.129500][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.129695][ T1615]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.129889][ T1615]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.130087][ T1615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.130320][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.130530][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.130725][ T1615]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.130920][ T1615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.131115][ T1615]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.131313][ T1615]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   55.131529][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.131730][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.131926][ T1615]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.132125][ T1615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.132337][ T1615]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.132542][ T1615]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.132741][ T1615]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.132937][ T1615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.133132][ T1615]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.133339][ T1615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.133539][ T1615]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.133736][ T1615]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.133929][ T1615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.134132][ T1615]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.134343][ T1615]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.134549][ T1615]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.134753][ T1615]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.134950][ T1615]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.135145][ T1615]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.135350][ T1615]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.135548][ T1615]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.135746][ T1615]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.135945][ T1615]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.136143][ T1615]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.136346][ T1615]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.136589][ T1615]  ? move_addr_to_kernel (net/socket.c:258)
[   55.136787][ T1615]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.136986][ T1615]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.137187][ T1615]  ___sys_sendmsg (net/socket.c:2752)
[   55.137393][ T1615]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.137637][ T1615]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.137858][ T1615]  __sys_sendmsg (net/socket.c:2784)
[   55.138056][ T1615]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.138250][ T1615]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.138514][ T1615]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.138712][ T1615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.138915][ T1615]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.139114][ T1615]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.139311][ T1615]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.139525][ T1615]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.139769][ T1615] RIP: 0033:0x7f69807ee08e
[   55.139980][ T1615] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.140695][ T1615] RSP: 002b:00007ffd188fb1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.140995][ T1615] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69807ee08e
[   55.141290][ T1615] RDX: 0000000000000000 RSI: 00007ffd188fb250 RDI: 0000000000000005
[   55.141597][ T1615] RBP: 00007ffd188fb1b0 R08: 0000000000000000 R09: 0000000000000000
[   55.141895][ T1615] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.142192][ T1615] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd188fb920
| [   55.189084][ T1616] ------------[ cut here ]------------
| [   55.189262][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1616
| [   55.189559][ T1616] Modules linked in: netdevsim
| [   55.189991][ T1616] Tainted: [W]=WARN
[   55.190099][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.190278][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.190479][ T1616] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.190966][ T1616] RSP: 0018:ffa0000003db7010 EFLAGS: 00010286
[   55.191148][ T1616] RAX: 00000000ffffffa6 RBX: ff11000004ec0ac0 RCX: 1ff40000007b6dc8
[   55.191369][ T1616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0b70
[   55.191575][ T1616] RBP: ff11000008511000 R08: 1fe22000009d816f R09: ff1100000f698b80
[   55.191785][ T1616] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   55.191990][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003db7100
[   55.192200][ T1616] FS:  00007f1046f41840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   55.192451][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.192623][ T1616] CR2: 00007f10472111a0 CR3: 000000000f719002 CR4: 0000000000771ef0
[   55.192830][ T1616] PKRU: 55555554
[   55.192932][ T1616] Call Trace:
[   55.193035][ T1616]  <TASK>
[   55.193107][ T1616]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.193247][ T1616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.193358][ T1616]  netif_close_many (net/core/dev.c:1804)
[   55.193519][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.193669][ T1616]  ? __dev_close_many (net/core/dev.c:1781)
[   55.193808][ T1616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.193950][ T1616]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.194088][ T1616]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.194227][ T1616]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   55.194411][ T1616]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.194546][ T1616]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.194714][ T1616]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.194851][ T1616]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.194992][ T1616]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.195163][ T1616]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.195301][ T1616]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.195448][ T1616]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   55.195585][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.195720][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.195859][ T1616]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.195997][ T1616]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.196132][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.196288][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.196439][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.196582][ T1616]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.196719][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.196856][ T1616]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.196998][ T1616]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   55.197138][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.197273][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.197420][ T1616]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.197556][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.197697][ T1616]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.197834][ T1616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.197972][ T1616]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.198112][ T1616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.198246][ T1616]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.198395][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.198537][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.198677][ T1616]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.198814][ T1616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.198951][ T1616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.199090][ T1616]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.199226][ T1616]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.199379][ T1616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.199518][ T1616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.199655][ T1616]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.199793][ T1616]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.199929][ T1616]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.200066][ T1616]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.200203][ T1616]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.200349][ T1616]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.200490][ T1616]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.200665][ T1616]  ? move_addr_to_kernel (net/socket.c:258)
[   55.200804][ T1616]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.200942][ T1616]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.201081][ T1616]  ___sys_sendmsg (net/socket.c:2752)
[   55.201219][ T1616]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.201400][ T1616]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.201550][ T1616]  __sys_sendmsg (net/socket.c:2784)
[   55.201692][ T1616]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.201833][ T1616]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.202007][ T1616]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.202144][ T1616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.202282][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.202427][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.202566][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.202706][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.202878][ T1616] RIP: 0033:0x7f104717b08e
[   55.203023][ T1616] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.203515][ T1616] RSP: 002b:00007fff55fef190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.203725][ T1616] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f104717b08e
[   55.203928][ T1616] RDX: 0000000000000000 RSI: 00007fff55fef240 RDI: 0000000000000005
[   55.204131][ T1616] RBP: 00007fff55fef1a0 R08: 0000000000000000 R09: 0000000000000000
[   55.204340][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.204547][ T1616] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff55fef910
| [   55.207747][ T1616] ------------[ cut here ]------------
| [   55.207890][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1616
| [   55.208150][ T1616] Modules linked in: netdevsim
| [   55.208826][ T1616] Tainted: [W]=WARN
[   55.208925][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.209083][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.209250][ T1616] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.209709][ T1616] RSP: 0018:ffa0000003db7190 EFLAGS: 00010286
[   55.209871][ T1616] RAX: 00000000ffffffa6 RBX: ff1100000c195240 RCX: 1ff40000007b6df8
[   55.210062][ T1616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1952f0
[   55.210251][ T1616] RBP: ff11000008511000 R08: 1fe2200001832a5f R09: ff1100000f698b58
[   55.210447][ T1616] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.210635][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.210829][ T1616] FS:  00007f1046f41840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   55.211052][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.211213][ T1616] CR2: 00007f10472111a0 CR3: 000000000f719002 CR4: 0000000000771ef0
[   55.211411][ T1616] PKRU: 55555554
[   55.211507][ T1616] Call Trace:
[   55.211603][ T1616]  <TASK>
[   55.211670][ T1616]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.211837][ T1616]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.211995][ T1616]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.212124][ T1616]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.212251][ T1616]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.212421][ T1616]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.212552][ T1616]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   55.212680][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.212810][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.212938][ T1616]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.213065][ T1616]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.213196][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.213353][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.213482][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.213614][ T1616]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.213743][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.213870][ T1616]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.213996][ T1616]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   55.214127][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.214254][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.214388][ T1616]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.214514][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.214644][ T1616]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   55.214771][ T1616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.214899][ T1616]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.215027][ T1616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.215155][ T1616]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.215285][ T1616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.215418][ T1616]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.215548][ T1616]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.215676][ T1616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.215803][ T1616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.215933][ T1616]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.216060][ T1616]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.216190][ T1616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.216317][ T1616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.216457][ T1616]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.216586][ T1616]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.216718][ T1616]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.216847][ T1616]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.216980][ T1616]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.217109][ T1616]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.217237][ T1616]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.217403][ T1616]  ? move_addr_to_kernel (net/socket.c:258)
[   55.217531][ T1616]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.217660][ T1616]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.217787][ T1616]  ___sys_sendmsg (net/socket.c:2752)
[   55.217914][ T1616]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.218071][ T1616]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.218210][ T1616]  __sys_sendmsg (net/socket.c:2784)
[   55.218340][ T1616]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.218472][ T1616]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.218637][ T1616]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.218763][ T1616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.218890][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.219016][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.219144][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.219272][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.219436][ T1616] RIP: 0033:0x7f104717b08e
[   55.219568][ T1616] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.220021][ T1616] RSP: 002b:00007fff55fef190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.220213][ T1616] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f104717b08e
[   55.220410][ T1616] RDX: 0000000000000000 RSI: 00007fff55fef240 RDI: 0000000000000005
[   55.220599][ T1616] RBP: 00007fff55fef1a0 R08: 0000000000000000 R09: 0000000000000000
[   55.220790][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.220983][ T1616] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff55fef910
| [   55.338816][ T1626] ------------[ cut here ]------------
| [   55.339016][ T1626] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1626
| [   55.339324][ T1626] Modules linked in: netdevsim
| [   55.339792][ T1626] Tainted: [W]=WARN
[   55.339903][ T1626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.340083][ T1626] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.340273][ T1626] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.340815][ T1626] RSP: 0018:ffa0000003e171b0 EFLAGS: 00010286
[   55.340997][ T1626] RAX: 00000000ffffffa6 RBX: ff1100000538c040 RCX: 1ff40000007c2dfc
[   55.341213][ T1626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538c0f0
[   55.341444][ T1626] RBP: ff1100000883c000 R08: 1fe2200000a7181f R09: ff1100000c340ba8
[   55.341656][ T1626] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.341869][ T1626] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.342084][ T1626] FS:  00007fe541939840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   55.342342][ T1626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.342528][ T1626] CR2: 00000000004a77b8 CR3: 000000000c30f003 CR4: 0000000000771ef0
[   55.342741][ T1626] PKRU: 55555554
[   55.342849][ T1626] Call Trace:
[   55.342955][ T1626]  <TASK>
[   55.343031][ T1626]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.343177][ T1626]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.343320][ T1626]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.343477][ T1626]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.343586][ T1626]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   55.343730][ T1626]  __dev_notify_flags (net/core/dev.c:9787)
[   55.343875][ T1626]  ? netif_change_name (net/core/dev.c:1495)
[   55.344021][ T1626]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.344202][ T1626]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   55.344353][ T1626]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   55.344500][ T1626]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   55.344642][ T1626]  ? __dev_get_by_name (net/core/dev.c:883)
[   55.344785][ T1626]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   55.344933][ T1626]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   55.345082][ T1626]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.345225][ T1626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.345376][ T1626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.345520][ T1626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.345661][ T1626]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.345802][ T1626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.345949][ T1626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.346093][ T1626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.346234][ T1626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.346386][ T1626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.346527][ T1626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.346671][ T1626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.346814][ T1626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.346955][ T1626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.347103][ T1626]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.347243][ T1626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.347397][ T1626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.347542][ T1626]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.347686][ T1626]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.347830][ T1626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.347972][ T1626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.348113][ T1626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.348257][ T1626]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.348407][ T1626]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.348550][ T1626]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.348696][ T1626]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.348840][ T1626]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.348986][ T1626]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.349165][ T1626]  ? move_addr_to_kernel (net/socket.c:258)
[   55.349306][ T1626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.349457][ T1626]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   55.349599][ T1626]  ___sys_sendmsg (net/socket.c:2752)
[   55.349740][ T1626]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   55.349886][ T1626]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.350038][ T1626]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   55.350184][ T1626]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   55.350334][ T1626]  __sys_sendmsg (net/socket.c:2784)
[   55.350482][ T1626]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.350628][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.350772][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.350916][ T1626]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.351060][ T1626]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.351202][ T1626]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.351348][ T1626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.351545][ T1626] RIP: 0033:0x7fe541b7308e
[   55.351698][ T1626] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.352204][ T1626] RSP: 002b:00007ffd22c80f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.352432][ T1626] RAX: ffffffffffffffda RBX: 00007ffd22c81720 RCX: 00007fe541b7308e
[   55.352644][ T1626] RDX: 0000000000000000 RSI: 00007ffd22c81020 RDI: 0000000000000005
[   55.352858][ T1626] RBP: 00007ffd22c80f80 R08: 0000000000000000 R09: 0000000000000000
[   55.353078][ T1626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.353293][ T1626] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd22c816f0
| [   55.389116][ T1627] ------------[ cut here ]------------
| [   55.389349][ T1627] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1627
| [   55.389688][ T1627] Modules linked in: netdevsim
| [   55.390214][ T1627] Tainted: [W]=WARN
[   55.390387][ T1627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.390612][ T1627] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.390847][ T1627] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.391415][ T1627] RSP: 0018:ffa0000003e27020 EFLAGS: 00010286
[   55.391642][ T1627] RAX: 00000000ffffffa6 RBX: ff1100000538c940 RCX: 1ff40000007c4dca
[   55.391894][ T1627] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538c9f0
[   55.392144][ T1627] RBP: ff1100000883c000 R08: 1fe2200000a7193f R09: ff1100000c342e80
[   55.392415][ T1627] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.392672][ T1627] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.392927][ T1627] FS:  00007f1e69f42840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   55.393216][ T1627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.393456][ T1627] CR2: 00007f1e6a2121a0 CR3: 000000000f76f002 CR4: 0000000000771ef0
[   55.393711][ T1627] PKRU: 55555554
[   55.393866][ T1627] Call Trace:
[   55.394019][ T1627]  <TASK>
[   55.394139][ T1627]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   55.394342][ T1627]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.394556][ T1627]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.394710][ T1627]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.394896][ T1627]  __dev_notify_flags (net/core/dev.c:9787)
[   55.395084][ T1627]  ? netif_change_name (net/core/dev.c:1495)
[   55.395272][ T1627]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.395585][ T1627]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.395877][ T1627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.396137][ T1627]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   55.396449][ T1627]  netif_change_flags (net/core/dev.c:9820)
[   55.396720][ T1627]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.396967][ T1627]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.397155][ T1627]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.397393][ T1627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.397580][ T1627]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.397765][ T1627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.397951][ T1627]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.398137][ T1627]  ? __kernel_text_address (kernel/extable.c:79)
[   55.398358][ T1627]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.398566][ T1627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.398751][ T1627]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.398937][ T1627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.399122][ T1627]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.399305][ T1627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.399513][ T1627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.399702][ T1627]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.399894][ T1627]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   55.400079][ T1627]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.400265][ T1627]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.400473][ T1627]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.400664][ T1627]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.400856][ T1627]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.401044][ T1627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.401245][ T1627]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.401517][ T1627]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.401707][ T1627]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.401893][ T1627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.402082][ T1627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.402268][ T1627]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.402482][ T1627]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.402671][ T1627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.402867][ T1627]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.403055][ T1627]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.403242][ T1627]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.403462][ T1627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.403650][ T1627]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.403843][ T1627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.404028][ T1627]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.404215][ T1627]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.404425][ T1627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.404615][ T1627]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.404807][ T1627]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.404992][ T1627]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.405182][ T1627]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.405389][ T1627]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.405577][ T1627]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.405771][ T1627]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.405959][ T1627]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.406148][ T1627]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.406351][ T1627]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.406547][ T1627]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.406733][ T1627]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.406950][ T1627]  ? move_addr_to_kernel (net/socket.c:258)
[   55.407140][ T1627]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.407347][ T1627]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.407544][ T1627]  ___sys_sendmsg (net/socket.c:2752)
[   55.407730][ T1627]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.407953][ T1627]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.408153][ T1627]  __sys_sendmsg (net/socket.c:2784)
[   55.408353][ T1627]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.408550][ T1627]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.408779][ T1627]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.408967][ T1627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.409159][ T1627]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.409362][ T1627]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.409561][ T1627]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.409750][ T1627]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.409970][ T1627] RIP: 0033:0x7f1e6a17c08e
[   55.410168][ T1627] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.410731][ T1627] RSP: 002b:00007ffda5326c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.410992][ T1627] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1e6a17c08e
[   55.411295][ T1627] RDX: 0000000000000000 RSI: 00007ffda5326d10 RDI: 0000000000000005
[   55.411603][ T1627] RBP: 00007ffda5326c70 R08: 0000000000000000 R09: 0000000000000000
[   55.411857][ T1627] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.412112][ T1627] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda53273e0
| [   55.462197][ T1628] ------------[ cut here ]------------
| [   55.462406][ T1628] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1628
| [   55.462703][ T1628] Modules linked in: netdevsim
| [   55.463237][ T1628] Tainted: [W]=WARN
[   55.463352][ T1628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.463535][ T1628] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.463729][ T1628] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.464226][ T1628] RSP: 0018:ffa0000003e371b0 EFLAGS: 00010286
[   55.464419][ T1628] RAX: 00000000ffffffa6 RBX: ff1100000ed6f840 RCX: 1ff40000007c6dfc
[   55.464629][ T1628] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f8f0
[   55.464839][ T1628] RBP: ff11000008999000 R08: 1fe2200001dadf1f R09: ff1100000c3451a8
[   55.465047][ T1628] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.465255][ T1628] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.465480][ T1628] FS:  00007f4fac01d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   55.465727][ T1628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.465907][ T1628] CR2: 00000000004a77b8 CR3: 000000000f977005 CR4: 0000000000771ef0
[   55.466116][ T1628] PKRU: 55555554
[   55.466222][ T1628] Call Trace:
[   55.466334][ T1628]  <TASK>
[   55.466413][ T1628]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.466559][ T1628]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.466700][ T1628]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.466838][ T1628]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.466944][ T1628]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   55.467087][ T1628]  __dev_notify_flags (net/core/dev.c:9787)
[   55.467229][ T1628]  ? netif_change_name (net/core/dev.c:1495)
[   55.467387][ T1628]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.467579][ T1628]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   55.467720][ T1628]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   55.467861][ T1628]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   55.468002][ T1628]  ? __dev_get_by_name (net/core/dev.c:883)
[   55.468143][ T1628]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   55.468291][ T1628]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   55.468450][ T1628]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.468594][ T1628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.468738][ T1628]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.468891][ T1628]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.469043][ T1628]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.469195][ T1628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.469349][ T1628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.469497][ T1628]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.469638][ T1628]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.469781][ T1628]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.469924][ T1628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.470082][ T1628]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.470238][ T1628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.470390][ T1628]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.470537][ T1628]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.470684][ T1628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.470825][ T1628]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.470967][ T1628]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.471109][ T1628]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.471255][ T1628]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.471411][ T1628]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.471623][ T1628]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.471819][ T1628]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.471962][ T1628]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.472108][ T1628]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.472253][ T1628]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.472414][ T1628]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.472560][ T1628]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.472740][ T1628]  ? move_addr_to_kernel (net/socket.c:258)
[   55.472884][ T1628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.473032][ T1628]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   55.473181][ T1628]  ___sys_sendmsg (net/socket.c:2752)
[   55.473332][ T1628]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   55.473482][ T1628]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.473631][ T1628]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   55.473778][ T1628]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   55.473922][ T1628]  __sys_sendmsg (net/socket.c:2784)
[   55.474075][ T1628]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.474264][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.474433][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.474644][ T1628]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.474824][ T1628]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.474972][ T1628]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.475117][ T1628]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.475292][ T1628] RIP: 0033:0x7f4fac25708e
[   55.475453][ T1628] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.476224][ T1628] RSP: 002b:00007fff6d8fa3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.476572][ T1628] RAX: ffffffffffffffda RBX: 00007fff6d8fab70 RCX: 00007f4fac25708e
[   55.476793][ T1628] RDX: 0000000000000000 RSI: 00007fff6d8fa470 RDI: 0000000000000005
[   55.477026][ T1628] RBP: 00007fff6d8fa3d0 R08: 0000000000000000 R09: 0000000000000000
[   55.477356][ T1628] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.477572][ T1628] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6d8fab40
| [   55.540055][ T1629] ------------[ cut here ]------------
| [   55.540339][ T1629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1629
| [   55.540788][ T1629] Modules linked in: netdevsim
| [   55.541478][ T1629] Tainted: [W]=WARN
[   55.541644][ T1629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.541915][ T1629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.542215][ T1629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.543165][ T1629] RSP: 0018:ffa0000003e47020 EFLAGS: 00010286
[   55.543592][ T1629] RAX: 00000000ffffffa6 RBX: ff1100000ed6fcc0 RCX: 1ff40000007c8dca
[   55.543920][ T1629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fd70
[   55.544244][ T1629] RBP: ff11000008999000 R08: 1fe2200001dadfaf R09: ff1100000c292e80
[   55.544678][ T1629] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   55.545000][ T1629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.545322][ T1629] FS:  00007fbd49b02840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   55.545850][ T1629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.546125][ T1629] CR2: 00007fbd49dd21a0 CR3: 000000000f873004 CR4: 0000000000771ef0
[   55.546464][ T1629] PKRU: 55555554
[   55.546629][ T1629] Call Trace:
[   55.546788][ T1629]  <TASK>
[   55.546899][ T1629]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   55.547121][ T1629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.547347][ T1629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.547521][ T1629]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.547745][ T1629]  __dev_notify_flags (net/core/dev.c:9787)
[   55.547966][ T1629]  ? netif_change_name (net/core/dev.c:1495)
[   55.548181][ T1629]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.548409][ T1629]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.548627][ T1629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.548843][ T1629]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   55.549061][ T1629]  netif_change_flags (net/core/dev.c:9820)
[   55.549283][ T1629]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.549522][ T1629]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.549745][ T1629]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.550033][ T1629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.550268][ T1629]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.550518][ T1629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.550735][ T1629]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.550951][ T1629]  ? __kernel_text_address (kernel/extable.c:79)
[   55.551174][ T1629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.551379][ T1629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.551602][ T1629]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.551825][ T1629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.552073][ T1629]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.552284][ T1629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.552506][ T1629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.552719][ T1629]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.552940][ T1629]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   55.553166][ T1629]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.553405][ T1629]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.553645][ T1629]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.553875][ T1629]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.554101][ T1629]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.554321][ T1629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.554554][ T1629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.554776][ T1629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.554993][ T1629]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.555206][ T1629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.555441][ T1629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.555654][ T1629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.555868][ T1629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.556091][ T1629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.556313][ T1629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.556554][ T1629]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.556782][ T1629]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.557007][ T1629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.557227][ T1629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.557470][ T1629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.557685][ T1629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.557902][ T1629]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.558118][ T1629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.558348][ T1629]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.558570][ T1629]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.558794][ T1629]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.559022][ T1629]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.559247][ T1629]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.559481][ T1629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.559708][ T1629]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.559934][ T1629]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.560165][ T1629]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.560411][ T1629]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.560636][ T1629]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.560865][ T1629]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.561148][ T1629]  ? move_addr_to_kernel (net/socket.c:258)
[   55.561386][ T1629]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.561606][ T1629]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.561829][ T1629]  ___sys_sendmsg (net/socket.c:2752)
[   55.562050][ T1629]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.562321][ T1629]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.562587][ T1629]  __sys_sendmsg (net/socket.c:2784)
[   55.562808][ T1629]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.563025][ T1629]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.563301][ T1629]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.563532][ T1629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.563756][ T1629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.563974][ T1629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.564192][ T1629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.564423][ T1629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.564689][ T1629] RIP: 0033:0x7fbd49d3c08e
[   55.564914][ T1629] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.565710][ T1629] RSP: 002b:00007ffefecbf8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.566040][ T1629] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd49d3c08e
[   55.566381][ T1629] RDX: 0000000000000000 RSI: 00007ffefecbf950 RDI: 0000000000000005
[   55.566715][ T1629] RBP: 00007ffefecbf8b0 R08: 0000000000000000 R09: 0000000000000000
[   55.567043][ T1629] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8d
[   55.567376][ T1629] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefecc0020
| [   56.054549][ T1652] ------------[ cut here ]------------
| [   56.054810][ T1652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1652
| [   56.055230][ T1652] Modules linked in: netdevsim
| [   56.055897][ T1652] Tainted: [W]=WARN
[   56.056060][ T1652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.056324][ T1652] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.056620][ T1652] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.057366][ T1652] RSP: 0018:ffa0000003ec7010 EFLAGS: 00010286
[   56.057638][ T1652] RAX: 00000000ffffffa6 RBX: ff1100000c1941c0 RCX: 1ff40000007d8dc8
[   56.057957][ T1652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c194270
[   56.058266][ T1652] RBP: ff1100000883c000 R08: 1fe220000183284f R09: ff1100000df25180
[   56.058587][ T1652] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   56.058892][ T1652] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003ec7100
[   56.059203][ T1652] FS:  00007fd1623dc840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   56.059578][ T1652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.059833][ T1652] CR2: 0000000020973988 CR3: 000000000fa75002 CR4: 0000000000771ef0
[   56.060131][ T1652] PKRU: 55555554
[   56.060286][ T1652] Call Trace:
[   56.060460][ T1652]  <TASK>
[   56.060572][ T1652]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.060793][ T1652]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.060969][ T1652]  netif_close_many (net/core/dev.c:1804)
[   56.061182][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.062208][ T1652]  ? __dev_close_many (net/core/dev.c:1781)
[   56.062440][ T1652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.062654][ T1652]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   56.062862][ T1652]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.063070][ T1652]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   56.063338][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.063549][ T1652]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.063802][ T1652]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.064008][ T1652]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.064217][ T1652]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   56.064489][ T1652]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   56.064695][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.064907][ T1652]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   56.065115][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.065322][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.065542][ T1652]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.065745][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.065950][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.066190][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.066415][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.066622][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.066828][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.067034][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.067241][ T1652]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   56.067467][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.067674][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.067883][ T1652]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.068094][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.068303][ T1652]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.068526][ T1652]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.068746][ T1652]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.068961][ T1652]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.069176][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.069410][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.069629][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.069846][ T1652]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.070062][ T1652]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.070280][ T1652]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.070514][ T1652]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.070729][ T1652]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.070949][ T1652]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.071172][ T1652]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.071401][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.071639][ T1652]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.071858][ T1652]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.072080][ T1652]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.072302][ T1652]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.072546][ T1652]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.072767][ T1652]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.073042][ T1652]  ? move_addr_to_kernel (net/socket.c:258)
[   56.073261][ T1652]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.073496][ T1652]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.073729][ T1652]  ___sys_sendmsg (net/socket.c:2752)
[   56.073951][ T1652]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.074224][ T1652]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.074487][ T1652]  __sys_sendmsg (net/socket.c:2784)
[   56.074704][ T1652]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.074919][ T1652]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.075208][ T1652]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.075442][ T1652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.075670][ T1652]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.075886][ T1652]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.076105][ T1652]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.076324][ T1652]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.076607][ T1652] RIP: 0033:0x7fd16261608e
[   56.076837][ T1652] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.077625][ T1652] RSP: 002b:00007ffda6ce7a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.077955][ T1652] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd16261608e
[   56.078275][ T1652] RDX: 0000000000000000 RSI: 00007ffda6ce7b00 RDI: 0000000000000005
[   56.078610][ T1652] RBP: 00007ffda6ce7a60 R08: 0000000000000000 R09: 0000000000000000
[   56.078935][ T1652] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.079261][ T1652] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda6ce81d0
| [   56.083671][ T1652] ------------[ cut here ]------------
| [   56.083892][ T1652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1652
| [   56.084315][ T1652] Modules linked in: netdevsim
| [   56.085291][ T1652] Tainted: [W]=WARN
[   56.085761][ T1652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.086026][ T1652] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.086291][ T1652] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.087025][ T1652] RSP: 0018:ffa0000003ec7190 EFLAGS: 00010286
[   56.087282][ T1652] RAX: 00000000ffffffa6 RBX: ff11000004ec0040 RCX: 1ff40000007d8df8
[   56.087601][ T1652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec00f0
[   56.087902][ T1652] RBP: ff1100000883c000 R08: 1fe22000009d801f R09: ff1100000df25158
[   56.088206][ T1652] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.088519][ T1652] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.088832][ T1652] FS:  00007fd1623dc840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   56.089188][ T1652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.089455][ T1652] CR2: 0000000020973988 CR3: 000000000fa75002 CR4: 0000000000771ef0
[   56.089761][ T1652] PKRU: 55555554
[   56.089914][ T1652] Call Trace:
[   56.090065][ T1652]  <TASK>
[   56.090174][ T1652]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.090447][ T1652]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.090701][ T1652]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.090902][ T1652]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.091122][ T1652]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   56.091393][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.091601][ T1652]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   56.091804][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.092008][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.092208][ T1652]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.092426][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.092627][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.092867][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.093066][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.093269][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.093501][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.093704][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.093907][ T1652]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   56.094112][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.094314][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.094545][ T1652]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.094746][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.094974][ T1652]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.095175][ T1652]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.095391][ T1652]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.095592][ T1652]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.095793][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.095997][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.096200][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.096419][ T1652]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.096625][ T1652]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.096829][ T1652]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.097036][ T1652]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.097238][ T1652]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.097458][ T1652]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.097659][ T1652]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.097857][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.098062][ T1652]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.098262][ T1652]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.098478][ T1652]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.098685][ T1652]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.098888][ T1652]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.099091][ T1652]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.099345][ T1652]  ? move_addr_to_kernel (net/socket.c:258)
[   56.099549][ T1652]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.099750][ T1652]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.099953][ T1652]  ___sys_sendmsg (net/socket.c:2752)
[   56.100152][ T1652]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.100416][ T1652]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.100639][ T1652]  __sys_sendmsg (net/socket.c:2784)
[   56.100837][ T1652]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.101032][ T1652]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.101312][ T1652]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.101528][ T1652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.101731][ T1652]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.101930][ T1652]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.102133][ T1652]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.102344][ T1652]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.102600][ T1652] RIP: 0033:0x7fd16261608e
[   56.102816][ T1652] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.103553][ T1652] RSP: 002b:00007ffda6ce7a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.103864][ T1652] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd16261608e
[   56.104170][ T1652] RDX: 0000000000000000 RSI: 00007ffda6ce7b00 RDI: 0000000000000005
[   56.104485][ T1652] RBP: 00007ffda6ce7a60 R08: 0000000000000000 R09: 0000000000000000
[   56.104788][ T1652] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.105090][ T1652] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda6ce81d0
| [   56.171386][ T1653] ------------[ cut here ]------------
| [   56.171577][ T1653] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1653
| [   56.171909][ T1653] Modules linked in: netdevsim
| [   56.172872][ T1653] Tainted: [W]=WARN
[   56.172980][ T1653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.173153][ T1653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.173347][ T1653] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.173835][ T1653] RSP: 0018:ffa0000003ed7010 EFLAGS: 00010286
[   56.174008][ T1653] RAX: 00000000ffffffa6 RBX: ff11000004ec0f40 RCX: 1ff40000007dadc8
[   56.174211][ T1653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0ff0
[   56.174425][ T1653] RBP: ff11000008999000 R08: 1fe22000009d81ff R09: ff1100000ccb0b80
[   56.174629][ T1653] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   56.174830][ T1653] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000003ed7100
[   56.175034][ T1653] FS:  00007f3f9251e840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   56.175275][ T1653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.175459][ T1653] CR2: 000000001f5c2988 CR3: 000000000f571006 CR4: 0000000000771ef0
[   56.175665][ T1653] PKRU: 55555554
[   56.175769][ T1653] Call Trace:
[   56.175870][ T1653]  <TASK>
[   56.175941][ T1653]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.176083][ T1653]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.176188][ T1653]  netif_close_many (net/core/dev.c:1804)
[   56.176323][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.176473][ T1653]  ? __dev_close_many (net/core/dev.c:1781)
[   56.176610][ T1653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.176748][ T1653]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   56.176886][ T1653]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.177020][ T1653]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   56.177191][ T1653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.177333][ T1653]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.177510][ T1653]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.177646][ T1653]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.177783][ T1653]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   56.177955][ T1653]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   56.178091][ T1653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.178231][ T1653]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   56.178378][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.178513][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.178648][ T1653]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.178782][ T1653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.178918][ T1653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.179073][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.179210][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.179352][ T1653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.179494][ T1653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.179629][ T1653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.179765][ T1653]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   56.179905][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.180040][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.180176][ T1653]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.180314][ T1653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.180464][ T1653]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.180602][ T1653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.180742][ T1653]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.180877][ T1653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.181012][ T1653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.181149][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.181290][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.181452][ T1653]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.181592][ T1653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.181731][ T1653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.181869][ T1653]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.182005][ T1653]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.182143][ T1653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.182280][ T1653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.182430][ T1653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.182574][ T1653]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.182713][ T1653]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.182850][ T1653]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.182992][ T1653]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.183128][ T1653]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.183263][ T1653]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.183445][ T1653]  ? move_addr_to_kernel (net/socket.c:258)
[   56.183582][ T1653]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.183719][ T1653]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.183858][ T1653]  ___sys_sendmsg (net/socket.c:2752)
[   56.183997][ T1653]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.184169][ T1653]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.184318][ T1653]  __sys_sendmsg (net/socket.c:2784)
[   56.184473][ T1653]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.184612][ T1653]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.184783][ T1653]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.184922][ T1653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.185059][ T1653]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.185195][ T1653]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.185343][ T1653]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.185559][ T1653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.185759][ T1653] RIP: 0033:0x7f3f9275808e
[   56.185907][ T1653] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.186409][ T1653] RSP: 002b:00007ffd9b7fc0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.186621][ T1653] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3f9275808e
[   56.186827][ T1653] RDX: 0000000000000000 RSI: 00007ffd9b7fc1a0 RDI: 0000000000000005
[   56.187030][ T1653] RBP: 00007ffd9b7fc100 R08: 0000000000000000 R09: 0000000000000000
[   56.187236][ T1653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.187452][ T1653] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9b7fc870
| [   56.190445][ T1653] ------------[ cut here ]------------
| [   56.190586][ T1653] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1653
| [   56.190846][ T1653] Modules linked in: netdevsim
| [   56.191245][ T1653] Tainted: [W]=WARN
[   56.191456][ T1653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.191623][ T1653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.191796][ T1653] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.192375][ T1653] RSP: 0018:ffa0000003ed7190 EFLAGS: 00010286
[   56.192542][ T1653] RAX: 00000000ffffffa6 RBX: ff1100000ed6f540 RCX: 1ff40000007dadf8
[   56.192738][ T1653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f5f0
[   56.192927][ T1653] RBP: ff11000008999000 R08: 1fe2200001dadebf R09: ff1100000ccb0b58
[   56.193119][ T1653] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.193310][ T1653] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.193642][ T1653] FS:  00007f3f9251e840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   56.193869][ T1653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.194033][ T1653] CR2: 000000001f5c2988 CR3: 000000000f571006 CR4: 0000000000771ef0
[   56.194226][ T1653] PKRU: 55555554
[   56.194324][ T1653] Call Trace:
[   56.194564][ T1653]  <TASK>
[   56.194653][ T1653]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.194900][ T1653]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.195145][ T1653]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.195472][ T1653]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.195647][ T1653]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   56.195812][ T1653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.195944][ T1653]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   56.196074][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.196207][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.196345][ T1653]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.196504][ T1653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.196670][ T1653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.196818][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.196948][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.197082][ T1653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.197209][ T1653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.197352][ T1653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.197489][ T1653]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   56.197621][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.197750][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.197884][ T1653]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.198014][ T1653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.198143][ T1653]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   56.198274][ T1653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.198418][ T1653]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.198549][ T1653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.198676][ T1653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.198812][ T1653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.198940][ T1653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.199073][ T1653]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.199231][ T1653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.199375][ T1653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.199529][ T1653]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.199657][ T1653]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.199789][ T1653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.199918][ T1653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.200047][ T1653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.200176][ T1653]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.200305][ T1653]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.200448][ T1653]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.200579][ T1653]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.200707][ T1653]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.200836][ T1653]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.200994][ T1653]  ? move_addr_to_kernel (net/socket.c:258)
[   56.201123][ T1653]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.201255][ T1653]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.201395][ T1653]  ___sys_sendmsg (net/socket.c:2752)
[   56.201525][ T1653]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.201754][ T1653]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.201896][ T1653]  __sys_sendmsg (net/socket.c:2784)
[   56.202025][ T1653]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.202152][ T1653]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.202315][ T1653]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.202461][ T1653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.202593][ T1653]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.202723][ T1653]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.202852][ T1653]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.202981][ T1653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.203141][ T1653] RIP: 0033:0x7f3f9275808e
[   56.203279][ T1653] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.203753][ T1653] RSP: 002b:00007ffd9b7fc0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.203949][ T1653] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3f9275808e
[   56.204146][ T1653] RDX: 0000000000000000 RSI: 00007ffd9b7fc1a0 RDI: 0000000000000005
[   56.204350][ T1653] RBP: 00007ffd9b7fc100 R08: 0000000000000000 R09: 0000000000000000
[   56.204549][ T1653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.204742][ T1653] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9b7fc870
| [   56.350506][ T1663] ------------[ cut here ]------------
| [   56.350819][ T1663] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1663
| [   56.351346][ T1663] Modules linked in: netdevsim
| [   56.352144][ T1663] Tainted: [W]=WARN
[   56.352392][ T1663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.352726][ T1663] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.353071][ T1663] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.353959][ T1663] RSP: 0018:ffa0000003f471b0 EFLAGS: 00010286
[   56.354297][ T1663] RAX: 00000000ffffffa6 RBX: ff1100000ed739c0 RCX: 1ff40000007e8dfc
[   56.354708][ T1663] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed73a70
[   56.355095][ T1663] RBP: ff1100000c009000 R08: 1fe2200001dae74f R09: ff110000107daea8
[   56.355499][ T1663] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.355888][ T1663] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.356283][ T1663] FS:  00007fb36ecf1840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   56.356745][ T1663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.357093][ T1663] CR2: 00000000004a77b8 CR3: 000000000f9f7006 CR4: 0000000000771ef0
[   56.357511][ T1663] PKRU: 55555554
[   56.357735][ T1663] Call Trace:
[   56.357958][ T1663]  <TASK>
[   56.358132][ T1663]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.358473][ T1663]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.358756][ T1663]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.359034][ T1663]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.359256][ T1663]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   56.359556][ T1663]  __dev_notify_flags (net/core/dev.c:9787)
[   56.359846][ T1663]  ? netif_change_name (net/core/dev.c:1495)
[   56.360124][ T1663]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.360478][ T1663]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   56.360752][ T1663]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   56.361027][ T1663]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   56.361300][ T1663]  ? __dev_get_by_name (net/core/dev.c:883)
[   56.361598][ T1663]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   56.361879][ T1663]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   56.362158][ T1663]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.362456][ T1663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.362731][ T1663]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.363007][ T1663]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.363269][ T1663]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.363551][ T1663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.363822][ T1663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.364085][ T1663]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.364369][ T1663]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.364638][ T1663]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.364898][ T1663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.365158][ T1663]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.365450][ T1663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.365714][ T1663]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.365982][ T1663]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.366248][ T1663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.366548][ T1663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.366820][ T1663]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.367078][ T1663]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.367367][ T1663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.367641][ T1663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.367903][ T1663]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.368172][ T1663]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.368465][ T1663]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.368736][ T1663]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.369005][ T1663]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.369273][ T1663]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.369562][ T1663]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.369882][ T1663]  ? move_addr_to_kernel (net/socket.c:258)
[   56.370153][ T1663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.370439][ T1663]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   56.370704][ T1663]  ___sys_sendmsg (net/socket.c:2752)
[   56.370951][ T1663]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   56.371205][ T1663]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.371496][ T1663]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   56.371772][ T1663]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   56.372039][ T1663]  __sys_sendmsg (net/socket.c:2784)
[   56.372294][ T1663]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.372583][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.372843][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.373098][ T1663]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.373382][ T1663]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.373640][ T1663]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.373893][ T1663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.374199][ T1663] RIP: 0033:0x7fb36ef2b08e
[   56.374497][ T1663] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.375284][ T1663] RSP: 002b:00007ffcc4c3efd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.375666][ T1663] RAX: ffffffffffffffda RBX: 00007ffcc4c3f780 RCX: 00007fb36ef2b08e
[   56.376030][ T1663] RDX: 0000000000000000 RSI: 00007ffcc4c3f080 RDI: 0000000000000005
[   56.376408][ T1663] RBP: 00007ffcc4c3efe0 R08: 0000000000000000 R09: 0000000000000000
[   56.376764][ T1663] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.377126][ T1663] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc4c3f750
| [   56.408348][ T1664] ------------[ cut here ]------------
| [   56.408547][ T1664] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1664
| [   56.408838][ T1664] Modules linked in: netdevsim
| [   56.409294][ T1664] Tainted: [W]=WARN
[   56.409423][ T1664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.409602][ T1664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.409788][ T1664] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.410290][ T1664] RSP: 0018:ffa0000003e97020 EFLAGS: 00010286
[   56.410486][ T1664] RAX: 00000000ffffffa6 RBX: ff110000093df9c0 RCX: 1ff40000007d2dca
[   56.410699][ T1664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dfa70
[   56.410909][ T1664] RBP: ff1100000c009000 R08: 1fe220000127bf4f R09: ff1100000f7c8b80
[   56.411116][ T1664] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   56.411323][ T1664] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.411552][ T1664] FS:  00007f187a57f840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   56.411798][ T1664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.411984][ T1664] CR2: 0000000014387988 CR3: 000000000f66f002 CR4: 0000000000771ef0
[   56.412192][ T1664] PKRU: 55555554
[   56.412296][ T1664] Call Trace:
[   56.412413][ T1664]  <TASK>
[   56.412486][ T1664]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.412639][ T1664]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.412746][ T1664]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.412957][ T1664]  __dev_notify_flags (net/core/dev.c:9787)
[   56.413125][ T1664]  ? netif_change_name (net/core/dev.c:1495)
[   56.413262][ T1664]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.413414][ T1664]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.413550][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.413691][ T1664]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   56.413835][ T1664]  netif_change_flags (net/core/dev.c:9820)
[   56.413987][ T1664]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.414128][ T1664]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.414266][ T1664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.414451][ T1664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.414591][ T1664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.414731][ T1664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.414870][ T1664]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.415010][ T1664]  ? __kernel_text_address (kernel/extable.c:79)
[   56.415155][ T1664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.415294][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.415557][ T1664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.415755][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.415892][ T1664]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.416029][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.416164][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.416300][ T1664]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.416503][ T1664]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   56.416735][ T1664]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.416876][ T1664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.417014][ T1664]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.417167][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.417310][ T1664]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.417543][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.417685][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.417823][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.417959][ T1664]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.418096][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.418237][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.418533][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.418718][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.418906][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.419046][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.419184][ T1664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.419324][ T1664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.419487][ T1664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.419630][ T1664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.419834][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.420046][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.420260][ T1664]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.420496][ T1664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.420678][ T1664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.420834][ T1664]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.421035][ T1664]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.421246][ T1664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.421531][ T1664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.421730][ T1664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.421933][ T1664]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.422117][ T1664]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.422258][ T1664]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.422419][ T1664]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.422559][ T1664]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.422698][ T1664]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.422873][ T1664]  ? move_addr_to_kernel (net/socket.c:258)
[   56.423011][ T1664]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.423150][ T1664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.423292][ T1664]  ___sys_sendmsg (net/socket.c:2752)
[   56.423446][ T1664]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.423619][ T1664]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.423774][ T1664]  __sys_sendmsg (net/socket.c:2784)
[   56.423913][ T1664]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.424055][ T1664]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.424236][ T1664]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.424388][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.424530][ T1664]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.424670][ T1664]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.424810][ T1664]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.424955][ T1664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.425133][ T1664] RIP: 0033:0x7f187a7b908e
[   56.425282][ T1664] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.425787][ T1664] RSP: 002b:00007fff4aca3bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.426002][ T1664] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f187a7b908e
[   56.426210][ T1664] RDX: 0000000000000000 RSI: 00007fff4aca3c70 RDI: 0000000000000005
[   56.426436][ T1664] RBP: 00007fff4aca3bd0 R08: 0000000000000000 R09: 0000000000000000
[   56.426644][ T1664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.426858][ T1664] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4aca4340
| [   56.505754][ T1666] ------------[ cut here ]------------
| [   56.506086][ T1666] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1666
| [   56.506601][ T1666] Modules linked in: netdevsim
| [   56.507393][ T1666] Tainted: [W]=WARN
[   56.507624][ T1666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.507949][ T1666] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.508288][ T1666] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.509176][ T1666] RSP: 0018:ffa0000003e671b0 EFLAGS: 00010286
[   56.509538][ T1666] RAX: 00000000ffffffa6 RBX: ff1100000c195b40 RCX: 1ff40000007ccdfc
[   56.509923][ T1666] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c195bf0
[   56.510306][ T1666] RBP: ff1100000f859000 R08: 1fe2200001832b7f R09: ff11000010710ba8
[   56.510887][ T1666] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.511400][ T1666] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.511955][ T1666] FS:  00007f338b287840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   56.512555][ T1666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.513004][ T1666] CR2: 00000000004a77b8 CR3: 000000000fa86003 CR4: 0000000000771ef0
[   56.513701][ T1666] PKRU: 55555554
[   56.514104][ T1666] Call Trace:
[   56.514441][ T1666]  <TASK>
[   56.514618][ T1666]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.514897][ T1666]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.515171][ T1666]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.515509][ T1666]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.515745][ T1666]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   56.516023][ T1666]  __dev_notify_flags (net/core/dev.c:9787)
[   56.516302][ T1666]  ? netif_change_name (net/core/dev.c:1495)
[   56.516611][ T1666]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.516953][ T1666]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   56.517233][ T1666]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   56.517539][ T1666]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   56.517815][ T1666]  ? __dev_get_by_name (net/core/dev.c:883)
[   56.518091][ T1666]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   56.518402][ T1666]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   56.518692][ T1666]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.518977][ T1666]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.519253][ T1666]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.519554][ T1666]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.519827][ T1666]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.520103][ T1666]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.520412][ T1666]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.520690][ T1666]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.520970][ T1666]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.521245][ T1666]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.521560][ T1666]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.521849][ T1666]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.522146][ T1666]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.522442][ T1666]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.522722][ T1666]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.522998][ T1666]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.523287][ T1666]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.523598][ T1666]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.523875][ T1666]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.524158][ T1666]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.524466][ T1666]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.524743][ T1666]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.525022][ T1666]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.525306][ T1666]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.525612][ T1666]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.525893][ T1666]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.526170][ T1666]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.526469][ T1666]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.526799][ T1666]  ? move_addr_to_kernel (net/socket.c:258)
[   56.527077][ T1666]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.527386][ T1666]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   56.527668][ T1666]  ___sys_sendmsg (net/socket.c:2752)
[   56.527943][ T1666]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   56.528218][ T1666]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.528524][ T1666]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   56.528810][ T1666]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   56.529092][ T1666]  __sys_sendmsg (net/socket.c:2784)
[   56.529393][ T1666]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.529683][ T1666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.529960][ T1666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.530239][ T1666]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.530538][ T1666]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.530811][ T1666]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.531089][ T1666]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.531444][ T1666] RIP: 0033:0x7f338b4c108e
[   56.531731][ T1666] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.532612][ T1666] RSP: 002b:00007fffe6be51b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.532999][ T1666] RAX: ffffffffffffffda RBX: 00007fffe6be5960 RCX: 00007f338b4c108e
[   56.533404][ T1666] RDX: 0000000000000000 RSI: 00007fffe6be5260 RDI: 0000000000000005
[   56.533793][ T1666] RBP: 00007fffe6be51c0 R08: 0000000000000000 R09: 0000000000000000
[   56.534174][ T1666] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.534581][ T1666] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe6be5930
| [   56.587212][ T1667] ------------[ cut here ]------------
| [   56.587565][ T1667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1667
| [   56.588020][ T1667] Modules linked in: netdevsim
| [   56.588783][ T1667] Tainted: [W]=WARN
[   56.588995][ T1667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.589353][ T1667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.589690][ T1667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.590506][ T1667] RSP: 0018:ffa0000003f57020 EFLAGS: 00010286
[   56.590824][ T1667] RAX: 00000000ffffffa6 RBX: ff1100000538d240 RCX: 1ff40000007eadca
[   56.591175][ T1667] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538d2f0
[   56.591541][ T1667] RBP: ff1100000f859000 R08: 1fe2200000a71a5f R09: ff11000010712e80
[   56.591888][ T1667] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   56.592240][ T1667] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.592610][ T1667] FS:  00007fcd68798840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   56.593012][ T1667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.593311][ T1667] CR2: 000000001d103988 CR3: 000000000fa87006 CR4: 0000000000771ef0
[   56.593838][ T1667] PKRU: 55555554
[   56.594166][ T1667] Call Trace:
[   56.594536][ T1667]  <TASK>
[   56.594839][ T1667]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   56.595217][ T1667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.595627][ T1667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.595990][ T1667]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.596412][ T1667]  __dev_notify_flags (net/core/dev.c:9787)
[   56.596776][ T1667]  ? netif_change_name (net/core/dev.c:1495)
[   56.597144][ T1667]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.597415][ T1667]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.597666][ T1667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.597919][ T1667]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   56.598176][ T1667]  netif_change_flags (net/core/dev.c:9820)
[   56.598450][ T1667]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.598709][ T1667]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.598964][ T1667]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.599266][ T1667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.599543][ T1667]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.599798][ T1667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.600057][ T1667]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.600317][ T1667]  ? __kernel_text_address (kernel/extable.c:79)
[   56.600605][ T1667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.600871][ T1667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.601143][ T1667]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.601421][ T1667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.601676][ T1667]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.601930][ T1667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.602178][ T1667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.602475][ T1667]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.602757][ T1667]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   56.603015][ T1667]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.603270][ T1667]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.603551][ T1667]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.603834][ T1667]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.604100][ T1667]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.604385][ T1667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.604640][ T1667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.604896][ T1667]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.605148][ T1667]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.605431][ T1667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.605696][ T1667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.605952][ T1667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.606207][ T1667]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.606518][ T1667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.606773][ T1667]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.607025][ T1667]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.607279][ T1667]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.607555][ T1667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.607808][ T1667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.608067][ T1667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.608319][ T1667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.608609][ T1667]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.608862][ T1667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.609117][ T1667]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.609396][ T1667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.609652][ T1667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.609915][ T1667]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.610169][ T1667]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.610446][ T1667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.610710][ T1667]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.610971][ T1667]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.611227][ T1667]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.611511][ T1667]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.611784][ T1667]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.612043][ T1667]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.612367][ T1667]  ? move_addr_to_kernel (net/socket.c:258)
[   56.612645][ T1667]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.612900][ T1667]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.613162][ T1667]  ___sys_sendmsg (net/socket.c:2752)
[   56.613441][ T1667]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.613753][ T1667]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.614035][ T1667]  __sys_sendmsg (net/socket.c:2784)
[   56.614310][ T1667]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.614590][ T1667]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.614904][ T1667]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.615165][ T1667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.615446][ T1667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.615700][ T1667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.615957][ T1667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.616220][ T1667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.616562][ T1667] RIP: 0033:0x7fcd689d208e
[   56.616832][ T1667] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.617617][ T1667] RSP: 002b:00007fffe3cee980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.617993][ T1667] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcd689d208e
[   56.618360][ T1667] RDX: 0000000000000000 RSI: 00007fffe3ceea30 RDI: 0000000000000005
[   56.618720][ T1667] RBP: 00007fffe3cee990 R08: 0000000000000000 R09: 0000000000000000
[   56.619068][ T1667] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8e
[   56.619445][ T1667] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe3cef100
| [   57.111319][ T1690] ------------[ cut here ]------------
| [   57.111523][ T1690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1690
| [   57.111825][ T1690] Modules linked in: netdevsim
| [   57.112251][ T1690] Tainted: [W]=WARN
[   57.112361][ T1690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.112540][ T1690] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.112721][ T1690] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.113219][ T1690] RSP: 0018:ffa0000004007010 EFLAGS: 00010286
[   57.113405][ T1690] RAX: 00000000ffffffa6 RBX: ff1100000ed6e1c0 RCX: 1ff4000000800dc8
[   57.113611][ T1690] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6e270
[   57.113818][ T1690] RBP: ff1100000c009000 R08: 1fe2200001dadc4f R09: ff1100000f88d180
[   57.114022][ T1690] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   57.114224][ T1690] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004007100
[   57.114440][ T1690] FS:  00007f808a8c9840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   57.114683][ T1690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.114859][ T1690] CR2: 000000002ade7988 CR3: 000000000f512001 CR4: 0000000000771ef0
[   57.115070][ T1690] PKRU: 55555554
[   57.115172][ T1690] Call Trace:
[   57.115274][ T1690]  <TASK>
[   57.115354][ T1690]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.115499][ T1690]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.115603][ T1690]  netif_close_many (net/core/dev.c:1804)
[   57.115739][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.115886][ T1690]  ? __dev_close_many (net/core/dev.c:1781)
[   57.116031][ T1690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.116172][ T1690]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   57.116309][ T1690]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   57.117388][ T1690]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   57.117672][ T1690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.117888][ T1690]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   57.118138][ T1690]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   57.118279][ T1690]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   57.118438][ T1690]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   57.118606][ T1690]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   57.118740][ T1690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.118877][ T1690]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   57.119014][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.119151][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.119293][ T1690]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.119446][ T1690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.119581][ T1690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.119735][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.119869][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.120008][ T1690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.120144][ T1690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.120282][ T1690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.120429][ T1690]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   57.120567][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.120706][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.120841][ T1690]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.120976][ T1690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.121112][ T1690]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.121248][ T1690]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.121396][ T1690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.121532][ T1690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.121666][ T1690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.121803][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.121935][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.122071][ T1690]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.122212][ T1690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.122357][ T1690]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.122499][ T1690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.122642][ T1690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.122784][ T1690]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.122925][ T1690]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.123061][ T1690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.123204][ T1690]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.123347][ T1690]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.123489][ T1690]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.123629][ T1690]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.123764][ T1690]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.123903][ T1690]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.124070][ T1690]  ? move_addr_to_kernel (net/socket.c:258)
[   57.124207][ T1690]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.124354][ T1690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.124511][ T1690]  ___sys_sendmsg (net/socket.c:2752)
[   57.124645][ T1690]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.124815][ T1690]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.124963][ T1690]  __sys_sendmsg (net/socket.c:2784)
[   57.125099][ T1690]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.125233][ T1690]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.125419][ T1690]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.125553][ T1690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.125690][ T1690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.125826][ T1690]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.125970][ T1690]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.126106][ T1690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.126278][ T1690] RIP: 0033:0x7f808ab0308e
[   57.126437][ T1690] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.126919][ T1690] RSP: 002b:00007ffc5fc1f1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.127128][ T1690] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f808ab0308e
[   57.127338][ T1690] RDX: 0000000000000000 RSI: 00007ffc5fc1f280 RDI: 0000000000000005
[   57.127552][ T1690] RBP: 00007ffc5fc1f1e0 R08: 0000000000000000 R09: 0000000000000000
[   57.127756][ T1690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.127959][ T1690] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5fc1f950
| [   57.132045][ T1690] ------------[ cut here ]------------
| [   57.132184][ T1690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1690
| [   57.132456][ T1690] Modules linked in: netdevsim
| [   57.132855][ T1690] Tainted: [W]=WARN
[   57.132954][ T1690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.133114][ T1690] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.133288][ T1690] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.133757][ T1690] RSP: 0018:ffa0000004007190 EFLAGS: 00010286
[   57.133920][ T1690] RAX: 00000000ffffffa6 RBX: ff1100001060c640 RCX: 1ff4000000800df8
[   57.134112][ T1690] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001060c6f0
[   57.134304][ T1690] RBP: ff1100000c009000 R08: 1fe22000020c18df R09: ff1100000f88d158
[   57.134509][ T1690] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.134701][ T1690] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   57.134900][ T1690] FS:  00007f808a8c9840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   57.135134][ T1690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.135299][ T1690] CR2: 000000002ade7988 CR3: 000000000f512001 CR4: 0000000000771ef0
[   57.135502][ T1690] PKRU: 55555554
[   57.135600][ T1690] Call Trace:
[   57.135696][ T1690]  <TASK>
[   57.135763][ T1690]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   57.135928][ T1690]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   57.136089][ T1690]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   57.136220][ T1690]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   57.136360][ T1690]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   57.136528][ T1690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.136659][ T1690]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   57.136790][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.136920][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.137048][ T1690]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.137176][ T1690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.137306][ T1690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.137463][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.137591][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.137718][ T1690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.137847][ T1690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.137973][ T1690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.138102][ T1690]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   57.138235][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.138369][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.138503][ T1690]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.138633][ T1690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.138763][ T1690]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.138893][ T1690]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.139022][ T1690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.139153][ T1690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.139280][ T1690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.139422][ T1690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.139549][ T1690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.139678][ T1690]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.139807][ T1690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.139936][ T1690]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.140068][ T1690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.140199][ T1690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.140335][ T1690]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.140471][ T1690]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.140600][ T1690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.140734][ T1690]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.140864][ T1690]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.140994][ T1690]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.141126][ T1690]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.141261][ T1690]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.141400][ T1690]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.141559][ T1690]  ? move_addr_to_kernel (net/socket.c:258)
[   57.141688][ T1690]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.141819][ T1690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.141949][ T1690]  ___sys_sendmsg (net/socket.c:2752)
[   57.142078][ T1690]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.142243][ T1690]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.142401][ T1690]  __sys_sendmsg (net/socket.c:2784)
[   57.142537][ T1690]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.142670][ T1690]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.142834][ T1690]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.142963][ T1690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.143101][ T1690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.143232][ T1690]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.143368][ T1690]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.143521][ T1690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.143680][ T1690] RIP: 0033:0x7f808ab0308e
[   57.143816][ T1690] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.144276][ T1690] RSP: 002b:00007ffc5fc1f1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.144484][ T1690] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f808ab0308e
[   57.144680][ T1690] RDX: 0000000000000000 RSI: 00007ffc5fc1f280 RDI: 0000000000000005
[   57.144969][ T1690] RBP: 00007ffc5fc1f1e0 R08: 0000000000000000 R09: 0000000000000000
[   57.145160][ T1690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.145358][ T1690] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5fc1f950
| [   57.202003][ T1691] ------------[ cut here ]------------
| [   57.202174][ T1691] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1691
| [   57.202466][ T1691] Modules linked in: netdevsim
| [   57.202888][ T1691] Tainted: [W]=WARN
[   57.202991][ T1691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.203161][ T1691] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.203353][ T1691] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.203837][ T1691] RSP: 0018:ffa0000004017010 EFLAGS: 00010286
[   57.204010][ T1691] RAX: 00000000ffffffa6 RBX: ff1100001060d3c0 RCX: 1ff4000000802dc8
[   57.204219][ T1691] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001060d470
[   57.204435][ T1691] RBP: ff1100000f859000 R08: 1fe22000020c1a8f R09: ff1100000f69ae80
[   57.204636][ T1691] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   57.204837][ T1691] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004017100
[   57.205042][ T1691] FS:  00007faee4710840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   57.205280][ T1691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.206015][ T1691] CR2: 00007faee49e01a0 CR3: 000000000cef2004 CR4: 0000000000771ef0
[   57.206220][ T1691] PKRU: 55555554
[   57.206322][ T1691] Call Trace:
[   57.206436][ T1691]  <TASK>
[   57.206507][ T1691]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.206649][ T1691]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.206756][ T1691]  netif_close_many (net/core/dev.c:1804)
[   57.206889][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.207024][ T1691]  ? __dev_close_many (net/core/dev.c:1781)
[   57.207159][ T1691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.207294][ T1691]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   57.207443][ T1691]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   57.207576][ T1691]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   57.207746][ T1691]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.207879][ T1691]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   57.208043][ T1691]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   57.208176][ T1691]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   57.208308][ T1691]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   57.208490][ T1691]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   57.208624][ T1691]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.208763][ T1691]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   57.208900][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.209033][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.209166][ T1691]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.209298][ T1691]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.209446][ T1691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.209597][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.209730][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.209867][ T1691]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.210000][ T1691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.210132][ T1691]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.210265][ T1691]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   57.210419][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.210553][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.210687][ T1691]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.210825][ T1691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.210958][ T1691]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.211090][ T1691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.211223][ T1691]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.211363][ T1691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.211500][ T1691]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.211635][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.211767][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.211901][ T1691]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.212038][ T1691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.212173][ T1691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.212310][ T1691]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.212455][ T1691]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.212589][ T1691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.212724][ T1691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.212859][ T1691]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.212993][ T1691]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.213126][ T1691]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.213259][ T1691]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.213414][ T1691]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.213549][ T1691]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.213682][ T1691]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.213846][ T1691]  ? move_addr_to_kernel (net/socket.c:258)
[   57.213984][ T1691]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.214119][ T1691]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.214258][ T1691]  ___sys_sendmsg (net/socket.c:2752)
[   57.214405][ T1691]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.214573][ T1691]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.214720][ T1691]  __sys_sendmsg (net/socket.c:2784)
[   57.214855][ T1691]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.214991][ T1691]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.215159][ T1691]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.215292][ T1691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.215438][ T1691]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.215572][ T1691]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.215706][ T1691]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.215842][ T1691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.216016][ T1691] RIP: 0033:0x7faee494a08e
[   57.216166][ T1691] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.216664][ T1691] RSP: 002b:00007ffe7bdf4510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.216881][ T1691] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faee494a08e
[   57.217090][ T1691] RDX: 0000000000000000 RSI: 00007ffe7bdf45c0 RDI: 0000000000000005
[   57.217298][ T1691] RBP: 00007ffe7bdf4520 R08: 0000000000000000 R09: 0000000000000000
[   57.217523][ T1691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.217729][ T1691] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7bdf4c90
| [   57.221066][ T1691] ------------[ cut here ]------------
| [   57.221211][ T1691] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1691
| [   57.221512][ T1691] Modules linked in: netdevsim
| [   57.221917][ T1691] Tainted: [W]=WARN
[   57.222015][ T1691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.222178][ T1691] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.222451][ T1691] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.223020][ T1691] RSP: 0018:ffa0000004017190 EFLAGS: 00010286
[   57.223184][ T1691] RAX: 00000000ffffffa6 RBX: ff110000093de940 RCX: 1ff4000000802df8
[   57.223479][ T1691] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093de9f0
[   57.223674][ T1691] RBP: ff1100000f859000 R08: 1fe220000127bd3f R09: ff1100000f69ae58
[   57.223864][ T1691] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.224054][ T1691] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   57.224247][ T1691] FS:  00007faee4710840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   57.224564][ T1691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.224725][ T1691] CR2: 00007faee49e01a0 CR3: 000000000cef2004 CR4: 0000000000771ef0
[   57.224920][ T1691] PKRU: 55555554
[   57.225017][ T1691] Call Trace:
[   57.225114][ T1691]  <TASK>
[   57.225181][ T1691]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   57.225415][ T1691]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   57.225575][ T1691]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   57.225707][ T1691]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   57.225840][ T1691]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   57.226004][ T1691]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.226134][ T1691]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   57.226263][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.226468][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.226600][ T1691]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.226725][ T1691]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.226854][ T1691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.227001][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.227128][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.227258][ T1691]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.227452][ T1691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.227583][ T1691]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.227712][ T1691]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   57.227844][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.227974][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.228105][ T1691]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.228234][ T1691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.228550][ T1691]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   57.228682][ T1691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.228815][ T1691]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.228944][ T1691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.229071][ T1691]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.229201][ T1691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.229403][ T1691]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.229534][ T1691]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.229662][ T1691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.229789][ T1691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.229922][ T1691]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.230050][ T1691]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.230181][ T1691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.230309][ T1691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.230457][ T1691]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.230587][ T1691]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.230714][ T1691]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.230847][ T1691]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.230977][ T1691]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.231106][ T1691]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.231230][ T1691]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.231394][ T1691]  ? move_addr_to_kernel (net/socket.c:258)
[   57.231522][ T1691]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.231651][ T1691]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.231782][ T1691]  ___sys_sendmsg (net/socket.c:2752)
[   57.231909][ T1691]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.232066][ T1691]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.232213][ T1691]  __sys_sendmsg (net/socket.c:2784)
[   57.232351][ T1691]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.232483][ T1691]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.232648][ T1691]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.232777][ T1691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.232905][ T1691]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.233034][ T1691]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.233162][ T1691]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.233288][ T1691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.233456][ T1691] RIP: 0033:0x7faee494a08e
[   57.233591][ T1691] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.234048][ T1691] RSP: 002b:00007ffe7bdf4510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.234242][ T1691] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faee494a08e
[   57.234446][ T1691] RDX: 0000000000000000 RSI: 00007ffe7bdf45c0 RDI: 0000000000000005
[   57.234639][ T1691] RBP: 00007ffe7bdf4520 R08: 0000000000000000 R09: 0000000000000000
[   57.234830][ T1691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.235025][ T1691] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7bdf4c90
| [   57.347096][ T1701] ------------[ cut here ]------------
| [   57.347352][ T1701] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1701
| [   57.347695][ T1701] Modules linked in: netdevsim
| [   57.348222][ T1701] Tainted: [W]=WARN
[   57.348399][ T1701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.348627][ T1701] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.348860][ T1701] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.349422][ T1701] RSP: 0018:ffa00000040971b0 EFLAGS: 00010286
[   57.349656][ T1701] RAX: 00000000ffffffa6 RBX: ff11000004ec13c0 RCX: 1ff4000000812dfc
[   57.349912][ T1701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1470
[   57.350170][ T1701] RBP: ff11000009e21000 R08: 1fe22000009d828f R09: ff110000106e2ea8
[   57.350470][ T1701] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.350733][ T1701] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.350996][ T1701] FS:  00007f7c6bfcc840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   57.351291][ T1701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.351554][ T1701] CR2: 00000000004a77b8 CR3: 000000000fb57001 CR4: 0000000000771ef0
[   57.351820][ T1701] PKRU: 55555554
[   57.351973][ T1701] Call Trace:
[   57.352135][ T1701]  <TASK>
[   57.352298][ T1701]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.352607][ T1701]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.352875][ T1701]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.353144][ T1701]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.353360][ T1701]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   57.353560][ T1701]  __dev_notify_flags (net/core/dev.c:9787)
[   57.353754][ T1701]  ? netif_change_name (net/core/dev.c:1495)
[   57.353948][ T1701]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   57.354173][ T1701]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.354385][ T1701]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.354581][ T1701]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.354773][ T1701]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.354962][ T1701]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.355159][ T1701]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.355368][ T1701]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.355569][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.355760][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.356037][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.356227][ T1701]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.356436][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.356633][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.356827][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.357018][ T1701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.357208][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.357424][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.357614][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.357806][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.357995][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.358222][ T1701]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.358450][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.358641][ T1701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.358832][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.359025][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.359223][ T1701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.359438][ T1701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.359629][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.359822][ T1701]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.360012][ T1701]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.360201][ T1701]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.360413][ T1701]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.360606][ T1701]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.360796][ T1701]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.361016][ T1701]  ? move_addr_to_kernel (net/socket.c:258)
[   57.361205][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.361422][ T1701]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.361613][ T1701]  ___sys_sendmsg (net/socket.c:2752)
[   57.361800][ T1701]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   57.361987][ T1701]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.362179][ T1701]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.362397][ T1701]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.362592][ T1701]  __sys_sendmsg (net/socket.c:2784)
[   57.362791][ T1701]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.362987][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.363176][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.363387][ T1701]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.363578][ T1701]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.363767][ T1701]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.363959][ T1701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.364182][ T1701] RIP: 0033:0x7f7c6c20608e
[   57.364401][ T1701] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.364942][ T1701] RSP: 002b:00007ffe2f664060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.365207][ T1701] RAX: ffffffffffffffda RBX: 00007ffe2f664810 RCX: 00007f7c6c20608e
[   57.365492][ T1701] RDX: 0000000000000000 RSI: 00007ffe2f664110 RDI: 0000000000000005
[   57.365749][ T1701] RBP: 00007ffe2f664070 R08: 0000000000000000 R09: 0000000000000000
[   57.366006][ T1701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.366262][ T1701] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2f6647e0
| [   57.413055][ T1702] ------------[ cut here ]------------
| [   57.413283][ T1702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1702
| [   57.413642][ T1702] Modules linked in: netdevsim
| [   57.414175][ T1702] Tainted: [W]=WARN
[   57.414340][ T1702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.414565][ T1702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.414795][ T1702] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.415319][ T1702] RSP: 0018:ffa0000004097020 EFLAGS: 00010286
[   57.415561][ T1702] RAX: 00000000ffffffa6 RBX: ff11000004ec0940 RCX: 1ff4000000812dca
[   57.415813][ T1702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec09f0
[   57.416067][ T1702] RBP: ff11000009e21000 R08: 1fe22000009d813f R09: ff1100000c6b8b80
[   57.416322][ T1702] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   57.416787][ T1702] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.417127][ T1702] FS:  00007f279c5f7840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   57.417549][ T1702] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.417854][ T1702] CR2: 00000000368a9988 CR3: 00000000106ed003 CR4: 0000000000771ef0
[   57.418168][ T1702] PKRU: 55555554
[   57.418321][ T1702] Call Trace:
[   57.418508][ T1702]  <TASK>
[   57.418630][ T1702]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.418824][ T1702]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.418981][ T1702]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.419171][ T1702]  __dev_notify_flags (net/core/dev.c:9787)
[   57.419373][ T1702]  ? netif_change_name (net/core/dev.c:1495)
[   57.419596][ T1702]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.419800][ T1702]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.419998][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.420198][ T1702]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.420429][ T1702]  netif_change_flags (net/core/dev.c:9820)
[   57.420640][ T1702]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.420836][ T1702]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.421023][ T1702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.421241][ T1702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.421449][ T1702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.421636][ T1702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.421821][ T1702]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.422013][ T1702]  ? __kernel_text_address (kernel/extable.c:79)
[   57.422206][ T1702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.422421][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.422608][ T1702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.422795][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.422984][ T1702]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.423175][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.423384][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.423576][ T1702]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.423766][ T1702]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.423957][ T1702]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.424148][ T1702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.424363][ T1702]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.424581][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.424791][ T1702]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.424984][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.425173][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.425391][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.425590][ T1702]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.425782][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.425976][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.426163][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.426364][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.426563][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.426758][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.426946][ T1702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.427145][ T1702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.427353][ T1702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.427573][ T1702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.427783][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.427987][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.428182][ T1702]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.428435][ T1702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.428625][ T1702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.428822][ T1702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.429013][ T1702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.429209][ T1702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.429430][ T1702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.429621][ T1702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.429823][ T1702]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.430026][ T1702]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.430216][ T1702]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.430432][ T1702]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.430622][ T1702]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.430812][ T1702]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.431032][ T1702]  ? move_addr_to_kernel (net/socket.c:258)
[   57.431222][ T1702]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.431434][ T1702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.431622][ T1702]  ___sys_sendmsg (net/socket.c:2752)
[   57.431806][ T1702]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.432028][ T1702]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.432230][ T1702]  __sys_sendmsg (net/socket.c:2784)
[   57.432446][ T1702]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.432632][ T1702]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.432858][ T1702]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.433049][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.433237][ T1702]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.433449][ T1702]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.433639][ T1702]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.433829][ T1702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.434049][ T1702] RIP: 0033:0x7f279c83108e
[   57.434247][ T1702] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.434805][ T1702] RSP: 002b:00007ffc1a860940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.435067][ T1702] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f279c83108e
[   57.435338][ T1702] RDX: 0000000000000000 RSI: 00007ffc1a8609f0 RDI: 0000000000000005
[   57.435602][ T1702] RBP: 00007ffc1a860950 R08: 0000000000000000 R09: 0000000000000000
[   57.435857][ T1702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.436115][ T1702] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1a8610c0
| [   57.508212][ T1704] ------------[ cut here ]------------
| [   57.509144][ T1704] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1704
| [   57.509618][ T1704] Modules linked in: netdevsim
| [   57.510276][ T1704] Tainted: [W]=WARN
[   57.510465][ T1704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.510733][ T1704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.510973][ T1704] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.511550][ T1704] RSP: 0018:ffa00000040a71b0 EFLAGS: 00010286
[   57.511800][ T1704] RAX: 00000000ffffffa6 RBX: ff1100000ed73e40 RCX: 1ff4000000814dfc
[   57.512071][ T1704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed73ef0
[   57.512354][ T1704] RBP: ff11000001dd4000 R08: 1fe2200001dae7df R09: ff1100000cc9aea8
[   57.512630][ T1704] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.512896][ T1704] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.513162][ T1704] FS:  00007f81b74f9840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   57.513485][ T1704] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.513768][ T1704] CR2: 00000000004a77b8 CR3: 000000000fb47006 CR4: 0000000000771ef0
[   57.514034][ T1704] PKRU: 55555554
[   57.514195][ T1704] Call Trace:
[   57.514366][ T1704]  <TASK>
[   57.514500][ T1704]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.514695][ T1704]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.514895][ T1704]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.515114][ T1704]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.515280][ T1704]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   57.515497][ T1704]  __dev_notify_flags (net/core/dev.c:9787)
[   57.515700][ T1704]  ? netif_change_name (net/core/dev.c:1495)
[   57.515900][ T1704]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   57.516133][ T1704]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.516343][ T1704]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.516553][ T1704]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.516747][ T1704]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.516940][ T1704]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.517139][ T1704]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.517350][ T1704]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.517556][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.517749][ T1704]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.517942][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.518141][ T1704]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.518347][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.518553][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.518747][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.518940][ T1704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.519133][ T1704]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.519341][ T1704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.519538][ T1704]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.519740][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.519932][ T1704]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.520128][ T1704]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.520339][ T1704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.520541][ T1704]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.520738][ T1704]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.520932][ T1704]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.521132][ T1704]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.521342][ T1704]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.521539][ T1704]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.521765][ T1704]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.521963][ T1704]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.522158][ T1704]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.522370][ T1704]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.522574][ T1704]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.522769][ T1704]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.522996][ T1704]  ? move_addr_to_kernel (net/socket.c:258)
[   57.523190][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.523406][ T1704]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.523603][ T1704]  ___sys_sendmsg (net/socket.c:2752)
[   57.523794][ T1704]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   57.523989][ T1704]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.524191][ T1704]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.524411][ T1704]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.524606][ T1704]  __sys_sendmsg (net/socket.c:2784)
[   57.524800][ T1704]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.524998][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.525207][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.525424][ T1704]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.525619][ T1704]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.525815][ T1704]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.526010][ T1704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.526241][ T1704] RIP: 0033:0x7f81b773308e
[   57.526463][ T1704] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.527015][ T1704] RSP: 002b:00007fff69b56220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.527281][ T1704] RAX: ffffffffffffffda RBX: 00007fff69b569d0 RCX: 00007f81b773308e
[   57.527568][ T1704] RDX: 0000000000000000 RSI: 00007fff69b562d0 RDI: 0000000000000005
[   57.527830][ T1704] RBP: 00007fff69b56230 R08: 0000000000000000 R09: 0000000000000000
[   57.528090][ T1704] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.528370][ T1704] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff69b569a0
| [   57.565198][ T1705] ------------[ cut here ]------------
| [   57.565472][ T1705] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1705
| [   57.565881][ T1705] Modules linked in: netdevsim
| [   57.566523][ T1705] Tainted: [W]=WARN
[   57.566676][ T1705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.566931][ T1705] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.567201][ T1705] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.567940][ T1705] RSP: 0018:ffa00000040a7020 EFLAGS: 00010286
[   57.568197][ T1705] RAX: 00000000ffffffa6 RBX: ff110000093de040 RCX: 1ff4000000814dca
[   57.568514][ T1705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093de0f0
[   57.568813][ T1705] RBP: ff11000001dd4000 R08: 1fe220000127bc1f R09: ff1100000cc9d180
[   57.569122][ T1705] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   57.569440][ T1705] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.569751][ T1705] FS:  00007f3d93377840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   57.570117][ T1705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.570387][ T1705] CR2: 0000000016b80988 CR3: 000000000f92d001 CR4: 0000000000771ef0
[   57.570687][ T1705] PKRU: 55555554
[   57.570839][ T1705] Call Trace:
[   57.570994][ T1705]  <TASK>
[   57.571101][ T1705]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   57.571306][ T1705]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.571527][ T1705]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.571688][ T1705]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.571891][ T1705]  __dev_notify_flags (net/core/dev.c:9787)
[   57.572096][ T1705]  ? netif_change_name (net/core/dev.c:1495)
[   57.572297][ T1705]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.572516][ T1705]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.572717][ T1705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.572922][ T1705]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.573128][ T1705]  netif_change_flags (net/core/dev.c:9820)
[   57.573340][ T1705]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.573551][ T1705]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.573753][ T1705]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.573999][ T1705]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.574200][ T1705]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.574407][ T1705]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.574603][ T1705]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.574799][ T1705]  ? __kernel_text_address (kernel/extable.c:79)
[   57.574998][ T1705]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.575199][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.575405][ T1705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.575608][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.575811][ T1705]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.576011][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.576209][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.576422][ T1705]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.576644][ T1705]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.576840][ T1705]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.577039][ T1705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.577237][ T1705]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.577455][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.577656][ T1705]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.577884][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.578080][ T1705]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.578278][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.578488][ T1705]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.578688][ T1705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.578890][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.579084][ T1705]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.579278][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.579487][ T1705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.579720][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.579917][ T1705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.580114][ T1705]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.580309][ T1705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.580518][ T1705]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.580713][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.580905][ T1705]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.581100][ T1705]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.581297][ T1705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.581518][ T1705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.581728][ T1705]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.581937][ T1705]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.582158][ T1705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.582369][ T1705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.582573][ T1705]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.582777][ T1705]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.582979][ T1705]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.583184][ T1705]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.583404][ T1705]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.583608][ T1705]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.583813][ T1705]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.584067][ T1705]  ? move_addr_to_kernel (net/socket.c:258)
[   57.584274][ T1705]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.584494][ T1705]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.584712][ T1705]  ___sys_sendmsg (net/socket.c:2752)
[   57.584911][ T1705]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.585186][ T1705]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.585431][ T1705]  __sys_sendmsg (net/socket.c:2784)
[   57.585639][ T1705]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.585839][ T1705]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.586099][ T1705]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.586306][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.586524][ T1705]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.586725][ T1705]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.586926][ T1705]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.587128][ T1705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.587389][ T1705] RIP: 0033:0x7f3d935b108e
[   57.587604][ T1705] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.588321][ T1705] RSP: 002b:00007ffe9786a5c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.588635][ T1705] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3d935b108e
[   57.588927][ T1705] RDX: 0000000000000000 RSI: 00007ffe9786a670 RDI: 0000000000000005
[   57.589232][ T1705] RBP: 00007ffe9786a5d0 R08: 0000000000000000 R09: 0000000000000000
[   57.589555][ T1705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.589856][ T1705] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9786ad40
| [   57.693070][ T1707] ------------[ cut here ]------------
| [   57.693392][ T1707] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1707
| [   57.693854][ T1707] Modules linked in: netdevsim
| [   57.694609][ T1707] Tainted: [W]=WARN
[   57.694817][ T1707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.695126][ T1707] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.696150][ T1707] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.696981][ T1707] RSP: 0018:ffa00000040c71b0 EFLAGS: 00010286
[   57.697310][ T1707] RAX: 00000000ffffffa6 RBX: ff1100000538d9c0 RCX: 1ff4000000818dfc
[   57.697695][ T1707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538da70
[   57.698020][ T1707] RBP: ff1100000f7e9000 R08: 1fe2200000a71b4f R09: ff1100000ccb0ba8
[   57.698358][ T1707] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.698682][ T1707] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.698999][ T1707] FS:  00007f2703841840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   57.699425][ T1707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.699707][ T1707] CR2: 00000000004a77b8 CR3: 000000000f66b004 CR4: 0000000000771ef0
[   57.700052][ T1707] PKRU: 55555554
[   57.700246][ T1707] Call Trace:
[   57.700462][ T1707]  <TASK>
[   57.700624][ T1707]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.700895][ T1707]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.701166][ T1707]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.701453][ T1707]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.701669][ T1707]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   57.701935][ T1707]  __dev_notify_flags (net/core/dev.c:9787)
[   57.702204][ T1707]  ? netif_change_name (net/core/dev.c:1495)
[   57.702469][ T1707]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   57.702746][ T1707]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.702984][ T1707]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.703215][ T1707]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.703467][ T1707]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.703725][ T1707]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.703972][ T1707]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.704228][ T1707]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.704507][ T1707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.704734][ T1707]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.704965][ T1707]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.705192][ T1707]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.705452][ T1707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.705715][ T1707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.705957][ T1707]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.706199][ T1707]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.706456][ T1707]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.706714][ T1707]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.706950][ T1707]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.707181][ T1707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.707428][ T1707]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.707660][ T1707]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.707928][ T1707]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.708201][ T1707]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.708501][ T1707]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.708766][ T1707]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.709040][ T1707]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.709309][ T1707]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.709562][ T1707]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.709793][ T1707]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.710037][ T1707]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.710270][ T1707]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.710575][ T1707]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.710808][ T1707]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.711034][ T1707]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.711299][ T1707]  ? move_addr_to_kernel (net/socket.c:258)
[   57.711555][ T1707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.711792][ T1707]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.712024][ T1707]  ___sys_sendmsg (net/socket.c:2752)
[   57.712265][ T1707]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   57.712543][ T1707]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.712796][ T1707]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.713064][ T1707]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.713308][ T1707]  __sys_sendmsg (net/socket.c:2784)
[   57.713585][ T1707]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.713829][ T1707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.714058][ T1707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.714288][ T1707]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.714542][ T1707]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.714769][ T1707]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.715040][ T1707]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.715345][ T1707] RIP: 0033:0x7f2703a7b08e
[   57.715598][ T1707] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.716447][ T1707] RSP: 002b:00007ffcb2de0830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.716828][ T1707] RAX: ffffffffffffffda RBX: 00007ffcb2de0fe0 RCX: 00007f2703a7b08e
[   57.717203][ T1707] RDX: 0000000000000000 RSI: 00007ffcb2de08e0 RDI: 0000000000000005
[   57.717562][ T1707] RBP: 00007ffcb2de0840 R08: 0000000000000000 R09: 0000000000000000
[   57.717874][ T1707] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.718190][ T1707] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb2de0fb0
| [   57.757935][ T1708] ------------[ cut here ]------------
| [   57.758121][ T1708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1708
| [   57.758433][ T1708] Modules linked in: netdevsim
| [   57.759005][ T1708] Tainted: [W]=WARN
[   57.759164][ T1708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.759350][ T1708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.759538][ T1708] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.760031][ T1708] RSP: 0018:ffa00000040d7020 EFLAGS: 00010286
[   57.760266][ T1708] RAX: 00000000ffffffa6 RBX: ff1100000538d240 RCX: 1ff400000081adca
[   57.760627][ T1708] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538d2f0
[   57.760950][ T1708] RBP: ff1100000f7e9000 R08: 1fe2200000a71a5f R09: ff11000008d62e80
[   57.761446][ T1708] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   57.761674][ T1708] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.761978][ T1708] FS:  00007f6f77537840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   57.762464][ T1708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.762678][ T1708] CR2: 000000001f916988 CR3: 000000000fa4f006 CR4: 0000000000771ef0
[   57.762963][ T1708] PKRU: 55555554
[   57.763071][ T1708] Call Trace:
[   57.763176][ T1708]  <TASK>
[   57.763249][ T1708]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.763465][ T1708]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.763585][ T1708]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.763747][ T1708]  __dev_notify_flags (net/core/dev.c:9787)
[   57.763967][ T1708]  ? netif_change_name (net/core/dev.c:1495)
[   57.764139][ T1708]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.764273][ T1708]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.764488][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.764626][ T1708]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.764768][ T1708]  netif_change_flags (net/core/dev.c:9820)
[   57.764905][ T1708]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.765042][ T1708]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.765179][ T1708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.765422][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.765558][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.765693][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.765837][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.766032][ T1708]  ? __kernel_text_address (kernel/extable.c:79)
[   57.766223][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.766421][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.766557][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.766693][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.766829][ T1708]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.766967][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.767104][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.767260][ T1708]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.767461][ T1708]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.767664][ T1708]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.767864][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.768095][ T1708]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.768309][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.768509][ T1708]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.768650][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.768785][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.768923][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.769058][ T1708]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.769193][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.769340][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.769486][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.769627][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.769768][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.769908][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.770058][ T1708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.770202][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.770343][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.770485][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.770624][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.770765][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.770901][ T1708]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.771043][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.771182][ T1708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.771337][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.771487][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.771632][ T1708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.771773][ T1708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.771910][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.772055][ T1708]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.772191][ T1708]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.772333][ T1708]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.772479][ T1708]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.772616][ T1708]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.772755][ T1708]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.772922][ T1708]  ? move_addr_to_kernel (net/socket.c:258)
[   57.773058][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.773195][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.773341][ T1708]  ___sys_sendmsg (net/socket.c:2752)
[   57.773481][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.773654][ T1708]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.773816][ T1708]  __sys_sendmsg (net/socket.c:2784)
[   57.773958][ T1708]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.774100][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.774282][ T1708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.774432][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.774570][ T1708]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.774709][ T1708]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.774852][ T1708]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.774998][ T1708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.775167][ T1708] RIP: 0033:0x7f6f7777108e
[   57.775311][ T1708] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.775808][ T1708] RSP: 002b:00007ffff3343300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.776017][ T1708] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6f7777108e
[   57.776221][ T1708] RDX: 0000000000000000 RSI: 00007ffff33433b0 RDI: 0000000000000005
[   57.776436][ T1708] RBP: 00007ffff3343310 R08: 0000000000000000 R09: 0000000000000000
[   57.776644][ T1708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf8f
[   57.776854][ T1708] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff3343a80
| [   58.393541][ T1736] ------------[ cut here ]------------
| [   58.393796][ T1736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1736
| [   58.394206][ T1736] Modules linked in: netdevsim
| [   58.394870][ T1736] Tainted: [W]=WARN
[   58.395031][ T1736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.395293][ T1736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.395606][ T1736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.396357][ T1736] RSP: 0018:ffa00000041a7010 EFLAGS: 00010286
[   58.396627][ T1736] RAX: 00000000ffffffa6 RBX: ff110000093de640 RCX: 1ff4000000834dc8
[   58.396936][ T1736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093de6f0
[   58.397245][ T1736] RBP: ff11000009e21000 R08: 1fe220000127bcdf R09: ff1100000fbf5180
[   58.397572][ T1736] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   58.397858][ T1736] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000041a7100
[   58.398165][ T1736] FS:  00007f6a47807840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   58.398532][ T1736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.398787][ T1736] CR2: 0000000009ff7988 CR3: 000000000fbc7004 CR4: 0000000000771ef0
[   58.399087][ T1736] PKRU: 55555554
[   58.399236][ T1736] Call Trace:
[   58.399401][ T1736]  <TASK>
[   58.399508][ T1736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.399715][ T1736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.399867][ T1736]  netif_close_many (net/core/dev.c:1804)
[   58.400069][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.400274][ T1736]  ? __dev_close_many (net/core/dev.c:1781)
[   58.400487][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.400687][ T1736]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.400894][ T1736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.401097][ T1736]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   58.401364][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.401577][ T1736]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.401829][ T1736]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   58.402031][ T1736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.402229][ T1736]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.402497][ T1736]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.402699][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.402906][ T1736]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   58.403115][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.403316][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.403533][ T1736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.403736][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.403939][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.404175][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.404390][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.404591][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.404792][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.404997][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.405199][ T1736]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   58.405418][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.405623][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.405830][ T1736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.406038][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.406244][ T1736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.406458][ T1736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.406662][ T1736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.406866][ T1736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.407073][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.407280][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.407498][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.407705][ T1736]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.407907][ T1736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.408111][ T1736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.408324][ T1736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.408545][ T1736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.408758][ T1736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.408964][ T1736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.409181][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.409415][ T1736]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.409631][ T1736]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.409845][ T1736]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.410065][ T1736]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.410277][ T1736]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.410500][ T1736]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.410767][ T1736]  ? move_addr_to_kernel (net/socket.c:258)
[   58.410987][ T1736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.411200][ T1736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.411430][ T1736]  ___sys_sendmsg (net/socket.c:2752)
[   58.411640][ T1736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.411907][ T1736]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.412147][ T1736]  __sys_sendmsg (net/socket.c:2784)
[   58.412370][ T1736]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.412592][ T1736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.412868][ T1736]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.413091][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.413306][ T1736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.413538][ T1736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.413753][ T1736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.413968][ T1736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.414233][ T1736] RIP: 0033:0x7f6a47a4108e
[   58.414476][ T1736] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.415240][ T1736] RSP: 002b:00007ffc9f0cea70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.415573][ T1736] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a47a4108e
[   58.415888][ T1736] RDX: 0000000000000000 RSI: 00007ffc9f0ceb20 RDI: 0000000000000005
[   58.416206][ T1736] RBP: 00007ffc9f0cea80 R08: 0000000000000000 R09: 0000000000000000
[   58.416538][ T1736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf90
[   58.416856][ T1736] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9f0cf1f0
| [   58.421797][ T1736] ------------[ cut here ]------------
| [   58.421991][ T1736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1736
| [   58.422300][ T1736] Modules linked in: netdevsim
| [   58.422823][ T1736] Tainted: [W]=WARN
[   58.422970][ T1736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.423181][ T1736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.423422][ T1736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.423923][ T1736] RSP: 0018:ffa00000041a7190 EFLAGS: 00010286
[   58.424135][ T1736] RAX: 00000000ffffffa6 RBX: ff1100001060d0c0 RCX: 1ff4000000834df8
[   58.424403][ T1736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001060d170
[   58.424640][ T1736] RBP: ff11000009e21000 R08: 1fe22000020c1a2f R09: ff1100000fbf5158
[   58.424877][ T1736] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   58.425112][ T1736] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.425590][ T1736] FS:  00007f6a47807840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   58.425867][ T1736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.426082][ T1736] CR2: 00007fc6bde55574 CR3: 000000000fbc7005 CR4: 0000000000771ef0
[   58.426323][ T1736] PKRU: 55555554
[   58.426492][ T1736] Call Trace:
[   58.426639][ T1736]  <TASK>
[   58.426755][ T1736]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.426966][ T1736]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.427203][ T1736]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   58.427405][ T1736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.427585][ T1736]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.427796][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.427977][ T1736]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   58.428159][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.428351][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.428538][ T1736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.428711][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.428884][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.429085][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.429263][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.429464][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.429640][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.429816][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.429994][ T1736]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   58.430175][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.430365][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.430553][ T1736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.430732][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.430917][ T1736]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.431093][ T1736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.431267][ T1736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.431462][ T1736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.431640][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.431817][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.431993][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.432170][ T1736]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.432358][ T1736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.432546][ T1736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.432725][ T1736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.432900][ T1736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.433082][ T1736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.433260][ T1736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.433454][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.433633][ T1736]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.433811][ T1736]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.433987][ T1736]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.434166][ T1736]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.434355][ T1736]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.434543][ T1736]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.434748][ T1736]  ? move_addr_to_kernel (net/socket.c:258)
[   58.434927][ T1736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.435106][ T1736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.435284][ T1736]  ___sys_sendmsg (net/socket.c:2752)
[   58.435485][ T1736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.435700][ T1736]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.435890][ T1736]  __sys_sendmsg (net/socket.c:2784)
[   58.436069][ T1736]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.436242][ T1736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.436475][ T1736]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.436652][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.436829][ T1736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.437005][ T1736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.437184][ T1736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.437374][ T1736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.437587][ T1736] RIP: 0033:0x7f6a47a4108e
[   58.437772][ T1736] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.438276][ T1736] RSP: 002b:00007ffc9f0cea70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.438544][ T1736] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a47a4108e
[   58.438784][ T1736] RDX: 0000000000000000 RSI: 00007ffc9f0ceb20 RDI: 0000000000000005
[   58.439022][ T1736] RBP: 00007ffc9f0cea80 R08: 0000000000000000 R09: 0000000000000000
[   58.439264][ T1736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf90
[   58.439525][ T1736] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9f0cf1f0
| [   58.489148][ T1737] ------------[ cut here ]------------
| [   58.489388][ T1737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1737
| [   58.489719][ T1737] Modules linked in: netdevsim
| [   58.490236][ T1737] Tainted: [W]=WARN
[   58.491077][ T1737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.491394][ T1737] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.491685][ T1737] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.492258][ T1737] RSP: 0018:ffa00000041b7010 EFLAGS: 00010286
[   58.492506][ T1737] RAX: 00000000ffffffa6 RBX: ff1100001060c4c0 RCX: 1ff4000000836dc8
[   58.492755][ T1737] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001060c570
[   58.493005][ T1737] RBP: ff11000001dd4000 R08: 1fe22000020c18af R09: ff1100000f90ae80
[   58.493255][ T1737] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   58.493526][ T1737] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000041b7100
[   58.493780][ T1737] FS:  00007f30644af840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   58.494066][ T1737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.494284][ T1737] CR2: 0000000018b53988 CR3: 0000000010c07001 CR4: 0000000000771ef0
[   58.494564][ T1737] PKRU: 55555554
[   58.494713][ T1737] Call Trace:
[   58.494863][ T1737]  <TASK>
[   58.494982][ T1737]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.495172][ T1737]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.495338][ T1737]  netif_close_many (net/core/dev.c:1804)
[   58.495542][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.495729][ T1737]  ? __dev_close_many (net/core/dev.c:1781)
[   58.495917][ T1737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.496108][ T1737]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.496295][ T1737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.496498][ T1737]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   58.496724][ T1737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.496909][ T1737]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.497122][ T1737]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   58.497306][ T1737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.497515][ T1737]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.497737][ T1737]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.497923][ T1737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.498112][ T1737]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   58.498299][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.498503][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.498688][ T1737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.498874][ T1737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.499057][ T1737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.499260][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.499464][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.499651][ T1737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.499836][ T1737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.500020][ T1737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.500205][ T1737]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   58.500418][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.500604][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.500789][ T1737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.500974][ T1737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.501161][ T1737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.501358][ T1737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.501552][ T1737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.501741][ T1737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.501928][ T1737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.502114][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.502296][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.502529][ T1737]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.502714][ T1737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.502900][ T1737]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.503089][ T1737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.503278][ T1737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.503487][ T1737]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.503673][ T1737]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.503858][ T1737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.504046][ T1737]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.504230][ T1737]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.504439][ T1737]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.504664][ T1737]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.504853][ T1737]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.505036][ T1737]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.505290][ T1737]  ? move_addr_to_kernel (net/socket.c:258)
[   58.505495][ T1737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.505683][ T1737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.505871][ T1737]  ___sys_sendmsg (net/socket.c:2752)
[   58.506065][ T1737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.506282][ T1737]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.506504][ T1737]  __sys_sendmsg (net/socket.c:2784)
[   58.506693][ T1737]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.506876][ T1737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.507096][ T1737]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.507279][ T1737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.507487][ T1737]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.507679][ T1737]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.507867][ T1737]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.508052][ T1737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.508267][ T1737] RIP: 0033:0x7f30646e908e
[   58.508481][ T1737] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.509010][ T1737] RSP: 002b:00007fff652dcaa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.509263][ T1737] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f30646e908e
[   58.509537][ T1737] RDX: 0000000000000000 RSI: 00007fff652dcb50 RDI: 0000000000000005
[   58.509817][ T1737] RBP: 00007fff652dcab0 R08: 0000000000000000 R09: 0000000000000000
[   58.510074][ T1737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf90
[   58.510338][ T1737] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff652dd220
| [   58.514679][ T1737] ------------[ cut here ]------------
| [   58.514833][ T1737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1737
| [   58.515095][ T1737] Modules linked in: netdevsim
| [   58.515556][ T1737] Tainted: [W]=WARN
[   58.515657][ T1737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.515819][ T1737] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.515991][ T1737] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.516476][ T1737] RSP: 0018:ffa00000041b7190 EFLAGS: 00010286
[   58.516650][ T1737] RAX: 00000000ffffffa6 RBX: ff11000004ec0f40 RCX: 1ff4000000836df8
[   58.516866][ T1737] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0ff0
[   58.517092][ T1737] RBP: ff11000001dd4000 R08: 1fe22000009d81ff R09: ff1100000f90ae58
[   58.517298][ T1737] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.517518][ T1737] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.517741][ T1737] FS:  00007f30644af840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   58.517980][ T1737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.518165][ T1737] CR2: 000055fbe875cd5c CR3: 0000000010c07004 CR4: 0000000000771ef0
[   58.518371][ T1737] PKRU: 55555554
[   58.518476][ T1737] Call Trace:
[   58.518574][ T1737]  <TASK>
[   58.518651][ T1737]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.518834][ T1737]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.518997][ T1737]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   58.519133][ T1737]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.519272][ T1737]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.519443][ T1737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.519587][ T1737]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   58.519718][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.519851][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.519982][ T1737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.520110][ T1737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.520241][ T1737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.520402][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.520536][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.520668][ T1737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.520796][ T1737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.521009][ T1737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.521153][ T1737]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   58.521283][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.521423][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.521633][ T1737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.521760][ T1737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.521887][ T1737]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.522013][ T1737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.522225][ T1737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.522360][ T1737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.522497][ T1737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.522626][ T1737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.522839][ T1737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.522968][ T1737]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.523097][ T1737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.523229][ T1737]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.523366][ T1737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.523499][ T1737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.523627][ T1737]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.523754][ T1737]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.523964][ T1737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.524095][ T1737]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.524224][ T1737]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.524358][ T1737]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.524575][ T1737]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.524703][ T1737]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.524828][ T1737]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.524986][ T1737]  ? move_addr_to_kernel (net/socket.c:258)
[   58.525113][ T1737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.525241][ T1737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.525374][ T1737]  ___sys_sendmsg (net/socket.c:2752)
[   58.525505][ T1737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.525664][ T1737]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.525807][ T1737]  __sys_sendmsg (net/socket.c:2784)
[   58.525934][ T1737]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.526061][ T1737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.526304][ T1737]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.526444][ T1737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.526571][ T1737]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.526696][ T1737]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.526824][ T1737]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.526967][ T1737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.527150][ T1737] RIP: 0033:0x7f30646e908e
[   58.527285][ T1737] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.527748][ T1737] RSP: 002b:00007fff652dcaa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.527945][ T1737] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f30646e908e
[   58.528137][ T1737] RDX: 0000000000000000 RSI: 00007fff652dcb50 RDI: 0000000000000005
[   58.528427][ T1737] RBP: 00007fff652dcab0 R08: 0000000000000000 R09: 0000000000000000
[   58.528618][ T1737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf90
[   58.528807][ T1737] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff652dd220
| [   58.605009][ T1738] ------------[ cut here ]------------
| [   58.605188][ T1738] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1738
| [   58.605493][ T1738] Modules linked in: netdevsim
| [   58.605927][ T1738] Tainted: [W]=WARN
[   58.606033][ T1738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.606203][ T1738] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.606398][ T1738] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.606880][ T1738] RSP: 0018:ffa00000041c7010 EFLAGS: 00010286
[   58.607056][ T1738] RAX: 00000000ffffffa6 RBX: ff11000004ec01c0 RCX: 1ff4000000838dc8
[   58.607262][ T1738] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0270
[   58.607553][ T1738] RBP: ff1100000f7e9000 R08: 1fe22000009d804f R09: ff1100000f908b80
[   58.607837][ T1738] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   58.608040][ T1738] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000041c7100
[   58.608252][ T1738] FS:  00007f6724feb840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   58.608579][ T1738] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.608754][ T1738] CR2: 000000002324e988 CR3: 000000000fbc7006 CR4: 0000000000771ef0
[   58.608987][ T1738] PKRU: 55555554
[   58.609089][ T1738] Call Trace:
[   58.609192][ T1738]  <TASK>
[   58.609263][ T1738]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.609503][ T1738]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.609611][ T1738]  netif_close_many (net/core/dev.c:1804)
[   58.609749][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.609891][ T1738]  ? __dev_close_many (net/core/dev.c:1781)
[   58.610034][ T1738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.610175][ T1738]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.610317][ T1738]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.610541][ T1738]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   58.610713][ T1738]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.610853][ T1738]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.611029][ T1738]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   58.611164][ T1738]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.611298][ T1738]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.611493][ T1738]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.611631][ T1738]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.611776][ T1738]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   58.611913][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.612053][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.612187][ T1738]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.612321][ T1738]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.612472][ T1738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.612629][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.612768][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.612908][ T1738]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.613050][ T1738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.613191][ T1738]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.613333][ T1738]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   58.613482][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.613618][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.613759][ T1738]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.613895][ T1738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.614034][ T1738]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.614175][ T1738]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.614311][ T1738]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.614463][ T1738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.614600][ T1738]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.614738][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.614875][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.615013][ T1738]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.615150][ T1738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.615288][ T1738]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.615443][ T1738]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.615584][ T1738]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.615724][ T1738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.615863][ T1738]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.616006][ T1738]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.616145][ T1738]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.616281][ T1738]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.616429][ T1738]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.616567][ T1738]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.616708][ T1738]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.616850][ T1738]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.617027][ T1738]  ? move_addr_to_kernel (net/socket.c:258)
[   58.617167][ T1738]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.617307][ T1738]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.617459][ T1738]  ___sys_sendmsg (net/socket.c:2752)
[   58.617596][ T1738]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.617773][ T1738]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.617923][ T1738]  __sys_sendmsg (net/socket.c:2784)
[   58.618061][ T1738]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.618200][ T1738]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.618386][ T1738]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.618522][ T1738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.618660][ T1738]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.618802][ T1738]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.618946][ T1738]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.619085][ T1738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.619256][ T1738] RIP: 0033:0x7f672522508e
[   58.619415][ T1738] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.619900][ T1738] RSP: 002b:00007ffe3c5157a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.620112][ T1738] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f672522508e
[   58.620319][ T1738] RDX: 0000000000000000 RSI: 00007ffe3c515850 RDI: 0000000000000005
[   58.620537][ T1738] RBP: 00007ffe3c5157b0 R08: 0000000000000000 R09: 0000000000000000
[   58.620746][ T1738] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf90
[   58.620951][ T1738] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3c515f20
| [   58.625258][ T1738] ------------[ cut here ]------------
| [   58.625434][ T1738] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1738
| [   58.625703][ T1738] Modules linked in: netdevsim
| [   58.626105][ T1738] Tainted: [W]=WARN
[   58.626205][ T1738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.626375][ T1738] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.626554][ T1738] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.627018][ T1738] RSP: 0018:ffa00000041c7190 EFLAGS: 00010286
[   58.627185][ T1738] RAX: 00000000ffffffa6 RBX: ff1100000ed72f40 RCX: 1ff4000000838df8
[   58.627396][ T1738] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed72ff0
[   58.627591][ T1738] RBP: ff1100000f7e9000 R08: 1fe2200001dae5ff R09: ff1100000f908b58
[   58.627785][ T1738] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.627982][ T1738] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.628178][ T1738] FS:  00007f6724feb840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   58.628432][ T1738] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.628612][ T1738] CR2: 000055fbe875cd5c CR3: 000000000fbc7006 CR4: 0000000000771ef0
[   58.628828][ T1738] PKRU: 55555554
[   58.628935][ T1738] Call Trace:
[   58.629047][ T1738]  <TASK>
[   58.629127][ T1738]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.629309][ T1738]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.629481][ T1738]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   58.629620][ T1738]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.629748][ T1738]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.629908][ T1738]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.630040][ T1738]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   58.630168][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.630296][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.630437][ T1738]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.630564][ T1738]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.630692][ T1738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.630838][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.630964][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.631094][ T1738]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.631224][ T1738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.631358][ T1738]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.631504][ T1738]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   58.631637][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.631765][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.631893][ T1738]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.632021][ T1738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.632151][ T1738]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   58.632280][ T1738]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.632419][ T1738]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.632547][ T1738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.632674][ T1738]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.632804][ T1738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.632931][ T1738]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.633061][ T1738]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.633190][ T1738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.633333][ T1738]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.633472][ T1738]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.633600][ T1738]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.633731][ T1738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.633860][ T1738]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.633990][ T1738]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.634119][ T1738]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.634248][ T1738]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.634393][ T1738]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.634524][ T1738]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.634654][ T1738]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.634781][ T1738]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.634945][ T1738]  ? move_addr_to_kernel (net/socket.c:258)
[   58.635075][ T1738]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.635204][ T1738]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.635347][ T1738]  ___sys_sendmsg (net/socket.c:2752)
[   58.635481][ T1738]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.635642][ T1738]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.635784][ T1738]  __sys_sendmsg (net/socket.c:2784)
[   58.635915][ T1738]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.636043][ T1738]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.636207][ T1738]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.636342][ T1738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.636477][ T1738]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.636607][ T1738]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.636736][ T1738]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.636865][ T1738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.637028][ T1738] RIP: 0033:0x7f672522508e
[   58.637164][ T1738] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.637662][ T1738] RSP: 002b:00007ffe3c5157a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.637865][ T1738] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f672522508e
[   58.638057][ T1738] RDX: 0000000000000000 RSI: 00007ffe3c515850 RDI: 0000000000000005
[   58.638249][ T1738] RBP: 00007ffe3c5157b0 R08: 0000000000000000 R09: 0000000000000000
[   58.638451][ T1738] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf90
[   58.638642][ T1738] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3c515f20
| [   58.750698][ T1748] ------------[ cut here ]------------
| [   58.750921][ T1748] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1748
| [   58.751239][ T1748] Modules linked in: netdevsim
| [   58.751709][ T1748] Tainted: [W]=WARN
[   58.751819][ T1748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.751997][ T1748] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.752186][ T1748] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.752694][ T1748] RSP: 0018:ffa00000042371b0 EFLAGS: 00010286
[   58.752872][ T1748] RAX: 00000000ffffffa6 RBX: ff1100000c195b40 RCX: 1ff4000000846dfc
[   58.753083][ T1748] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c195bf0
[   58.753292][ T1748] RBP: ff1100000206c000 R08: 1fe2200001832b7f R09: ff1100000f8f0ba8
[   58.753511][ T1748] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   58.753722][ T1748] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.753935][ T1748] FS:  00007fc93e4ca840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   58.754181][ T1748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.754366][ T1748] CR2: 00000000004a77b8 CR3: 0000000010c36001 CR4: 0000000000771ef0
[   58.754580][ T1748] PKRU: 55555554
[   58.754687][ T1748] Call Trace:
[   58.754793][ T1748]  <TASK>
[   58.754867][ T1748]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.755014][ T1748]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.755156][ T1748]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.755302][ T1748]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.755467][ T1748]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   58.755608][ T1748]  __dev_notify_flags (net/core/dev.c:9787)
[   58.755749][ T1748]  ? netif_change_name (net/core/dev.c:1495)
[   58.755895][ T1748]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   58.756074][ T1748]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   58.756216][ T1748]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   58.756364][ T1748]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   58.756507][ T1748]  ? __dev_get_by_name (net/core/dev.c:883)
[   58.756646][ T1748]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   58.756793][ T1748]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   58.756938][ T1748]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.757085][ T1748]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.757225][ T1748]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.757377][ T1748]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.757524][ T1748]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.757662][ T1748]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.757822][ T1748]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.757965][ T1748]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.758109][ T1748]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.758253][ T1748]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.758405][ T1748]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.758545][ T1748]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.758687][ T1748]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.758826][ T1748]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.758972][ T1748]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.759113][ T1748]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.759256][ T1748]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.759416][ T1748]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.759561][ T1748]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.759715][ T1748]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.759864][ T1748]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.760005][ T1748]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.760167][ T1748]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.760308][ T1748]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.760460][ T1748]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.760603][ T1748]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.760744][ T1748]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.760886][ T1748]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.761059][ T1748]  ? move_addr_to_kernel (net/socket.c:258)
[   58.761201][ T1748]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.761347][ T1748]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   58.761495][ T1748]  ___sys_sendmsg (net/socket.c:2752)
[   58.761635][ T1748]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   58.761775][ T1748]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.761920][ T1748]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   58.762065][ T1748]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   58.762208][ T1748]  __sys_sendmsg (net/socket.c:2784)
[   58.762354][ T1748]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.762503][ T1748]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.762646][ T1748]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.762787][ T1748]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.762927][ T1748]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.763068][ T1748]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.763208][ T1748]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.763404][ T1748] RIP: 0033:0x7fc93e70408e
[   58.763552][ T1748] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.764051][ T1748] RSP: 002b:00007ffe02877fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.764266][ T1748] RAX: ffffffffffffffda RBX: 00007ffe02878780 RCX: 00007fc93e70408e
[   58.764484][ T1748] RDX: 0000000000000000 RSI: 00007ffe02878080 RDI: 0000000000000005
[   58.764696][ T1748] RBP: 00007ffe02877fe0 R08: 0000000000000000 R09: 0000000000000000
[   58.764904][ T1748] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf90
[   58.765113][ T1748] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe02878750
| [   58.801018][ T1749] ------------[ cut here ]------------
| [   58.801199][ T1749] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1749
| [   58.801494][ T1749] Modules linked in: netdevsim
| [   58.801918][ T1749] Tainted: [W]=WARN
[   58.802023][ T1749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.802194][ T1749] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.802387][ T1749] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.802876][ T1749] RSP: 0018:ffa0000004247020 EFLAGS: 00010286
[   58.803056][ T1749] RAX: 00000000ffffffa6 RBX: ff1100000c1956c0 RCX: 1ff4000000848dca
[   58.803267][ T1749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c195770
[   58.803542][ T1749] RBP: ff1100000206c000 R08: 1fe2200001832aef R09: ff11000004f2d180
[   58.803747][ T1749] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   58.803953][ T1749] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.804164][ T1749] FS:  00007fa6ce4ca840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   58.804499][ T1749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.804676][ T1749] CR2: 000000001624b988 CR3: 000000000f66f002 CR4: 0000000000771ef0
[   58.804887][ T1749] PKRU: 55555554
[   58.804990][ T1749] Call Trace:
[   58.805094][ T1749]  <TASK>
[   58.805166][ T1749]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   58.805310][ T1749]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.805509][ T1749]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.805614][ T1749]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.805753][ T1749]  __dev_notify_flags (net/core/dev.c:9787)
[   58.805892][ T1749]  ? netif_change_name (net/core/dev.c:1495)
[   58.806029][ T1749]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.806167][ T1749]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.806306][ T1749]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.806456][ T1749]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   58.806597][ T1749]  netif_change_flags (net/core/dev.c:9820)
[   58.806735][ T1749]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.806874][ T1749]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.807013][ T1749]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.807187][ T1749]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.807325][ T1749]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.807473][ T1749]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.807608][ T1749]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.807746][ T1749]  ? __kernel_text_address (kernel/extable.c:79)
[   58.807886][ T1749]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.808027][ T1749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.808170][ T1749]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.808307][ T1749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.808456][ T1749]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.808593][ T1749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.808732][ T1749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.808869][ T1749]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.809008][ T1749]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.809146][ T1749]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.809287][ T1749]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.809434][ T1749]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.809574][ T1749]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.809713][ T1749]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.809855][ T1749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.809997][ T1749]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.810134][ T1749]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.810284][ T1749]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.810434][ T1749]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.810573][ T1749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.810709][ T1749]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.810847][ T1749]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.810981][ T1749]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.811120][ T1749]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.811257][ T1749]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.811409][ T1749]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.811559][ T1749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.811696][ T1749]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.811837][ T1749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.811972][ T1749]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.812109][ T1749]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.812246][ T1749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.812395][ T1749]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.812537][ T1749]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.812673][ T1749]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.812814][ T1749]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.812953][ T1749]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.813090][ T1749]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.813229][ T1749]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.813372][ T1749]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.813514][ T1749]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.813656][ T1749]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.813800][ T1749]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.813935][ T1749]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.814104][ T1749]  ? move_addr_to_kernel (net/socket.c:258)
[   58.814247][ T1749]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.814393][ T1749]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.814535][ T1749]  ___sys_sendmsg (net/socket.c:2752)
[   58.814671][ T1749]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.814843][ T1749]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.814992][ T1749]  __sys_sendmsg (net/socket.c:2784)
[   58.815130][ T1749]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.815265][ T1749]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.815455][ T1749]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.815597][ T1749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.815734][ T1749]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.815874][ T1749]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.816013][ T1749]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.816151][ T1749]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.816323][ T1749] RIP: 0033:0x7fa6ce70408e
[   58.816480][ T1749] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.816968][ T1749] RSP: 002b:00007ffe41fcaa30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.817179][ T1749] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa6ce70408e
[   58.817401][ T1749] RDX: 0000000000000000 RSI: 00007ffe41fcaae0 RDI: 0000000000000005
[   58.817612][ T1749] RBP: 00007ffe41fcaa40 R08: 0000000000000000 R09: 0000000000000000
[   58.817824][ T1749] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf91
[   58.818028][ T1749] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe41fcb1b0
| [   58.902825][ T1751] ------------[ cut here ]------------
| [   58.903164][ T1751] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1751
| [   58.903689][ T1751] Modules linked in: netdevsim
| [   58.904473][ T1751] Tainted: [W]=WARN
[   58.904686][ T1751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.904995][ T1751] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.905318][ T1751] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.906144][ T1751] RSP: 0018:ffa00000042671b0 EFLAGS: 00010286
[   58.906793][ T1751] RAX: 00000000ffffffa6 RBX: ff1100000ed73e40 RCX: 1ff400000084cdfc
[   58.907286][ T1751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed73ef0
[   58.907787][ T1751] RBP: ff1100000ccf1000 R08: 1fe2200001dae7df R09: ff1100000ae68ba8
[   58.908155][ T1751] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   58.908545][ T1751] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.908922][ T1751] FS:  00007f299f76c840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   58.909362][ T1751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.909686][ T1751] CR2: 00000000004a77b8 CR3: 0000000010c3f005 CR4: 0000000000771ef0
[   58.910046][ T1751] PKRU: 55555554
[   58.910254][ T1751] Call Trace:
[   58.910491][ T1751]  <TASK>
[   58.910656][ T1751]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.910921][ T1751]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.911185][ T1751]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.911471][ T1751]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.911684][ T1751]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   58.911961][ T1751]  __dev_notify_flags (net/core/dev.c:9787)
[   58.912222][ T1751]  ? netif_change_name (net/core/dev.c:1495)
[   58.912514][ T1751]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   58.912822][ T1751]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   58.913086][ T1751]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   58.913366][ T1751]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   58.913653][ T1751]  ? __dev_get_by_name (net/core/dev.c:883)
[   58.913910][ T1751]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   58.914179][ T1751]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   58.914507][ T1751]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.914773][ T1751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.915031][ T1751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.915287][ T1751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.915567][ T1751]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.915824][ T1751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.916093][ T1751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.916376][ T1751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.916645][ T1751]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.916907][ T1751]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.917186][ T1751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.917465][ T1751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.917728][ T1751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.917982][ T1751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.918244][ T1751]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.918533][ T1751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.918797][ T1751]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.919092][ T1751]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.919371][ T1751]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.919649][ T1751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.919917][ T1751]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.920173][ T1751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.920469][ T1751]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.920740][ T1751]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.920997][ T1751]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.921258][ T1751]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.921541][ T1751]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.921806][ T1751]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.922110][ T1751]  ? move_addr_to_kernel (net/socket.c:258)
[   58.922399][ T1751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.922669][ T1751]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   58.922927][ T1751]  ___sys_sendmsg (net/socket.c:2752)
[   58.923197][ T1751]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   58.923482][ T1751]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.923751][ T1751]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   58.924029][ T1751]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   58.924299][ T1751]  __sys_sendmsg (net/socket.c:2784)
[   58.924588][ T1751]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.924850][ T1751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.925107][ T1751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.925392][ T1751]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.925648][ T1751]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.925904][ T1751]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.926161][ T1751]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.926525][ T1751] RIP: 0033:0x7f299f9a608e
[   58.926799][ T1751] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.927654][ T1751] RSP: 002b:00007ffc834992e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.928025][ T1751] RAX: ffffffffffffffda RBX: 00007ffc83499a90 RCX: 00007f299f9a608e
[   58.928415][ T1751] RDX: 0000000000000000 RSI: 00007ffc83499390 RDI: 0000000000000005
[   58.928783][ T1751] RBP: 00007ffc834992f0 R08: 0000000000000000 R09: 0000000000000000
[   58.929140][ T1751] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf91
[   58.929542][ T1751] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc83499a60
| [   58.970536][ T1752] ------------[ cut here ]------------
| [   58.970775][ T1752] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1752
| [   58.971197][ T1752] Modules linked in: netdevsim
| [   58.971859][ T1752] Tainted: [W]=WARN
[   58.971969][ T1752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.972146][ T1752] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.972339][ T1752] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.972833][ T1752] RSP: 0018:ffa0000004277020 EFLAGS: 00010286
[   58.973005][ T1752] RAX: 00000000ffffffa6 RBX: ff1100000538c640 RCX: 1ff400000084edca
[   58.973210][ T1752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538c6f0
[   58.973427][ T1752] RBP: ff1100000ccf1000 R08: 1fe2200000a718df R09: ff11000004d2d180
[   58.973633][ T1752] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   58.973835][ T1752] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.974043][ T1752] FS:  00007fbf40cfb840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   58.974285][ T1752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.974472][ T1752] CR2: 000000001f537988 CR3: 000000000f77d004 CR4: 0000000000771ef0
[   58.974679][ T1752] PKRU: 55555554
[   58.974782][ T1752] Call Trace:
[   58.974887][ T1752]  <TASK>
[   58.974963][ T1752]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.975104][ T1752]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.975217][ T1752]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.975361][ T1752]  __dev_notify_flags (net/core/dev.c:9787)
[   58.975525][ T1752]  ? netif_change_name (net/core/dev.c:1495)
[   58.975721][ T1752]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.975860][ T1752]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.975996][ T1752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.976134][ T1752]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   58.976278][ T1752]  netif_change_flags (net/core/dev.c:9820)
[   58.976519][ T1752]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.976663][ T1752]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.976799][ T1752]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.976972][ T1752]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.977111][ T1752]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.977248][ T1752]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.977463][ T1752]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.977619][ T1752]  ? __kernel_text_address (kernel/extable.c:79)
[   58.977767][ T1752]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.977972][ T1752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.978112][ T1752]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.978249][ T1752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.978492][ T1752]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.978768][ T1752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.978967][ T1752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.979150][ T1752]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.979379][ T1752]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.979594][ T1752]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.979763][ T1752]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.979899][ T1752]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.980037][ T1752]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.980182][ T1752]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.980343][ T1752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.980551][ T1752]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.980695][ T1752]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.980829][ T1752]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.980965][ T1752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.981103][ T1752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.981241][ T1752]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.981391][ T1752]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.981526][ T1752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.981663][ T1752]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.981797][ T1752]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.981932][ T1752]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.982066][ T1752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.982209][ T1752]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.982429][ T1752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.982572][ T1752]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.982708][ T1752]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.982844][ T1752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.982980][ T1752]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.983118][ T1752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.983254][ T1752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.983405][ T1752]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.983540][ T1752]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.983673][ T1752]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.983812][ T1752]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.983947][ T1752]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.984080][ T1752]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.984219][ T1752]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.984359][ T1752]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.984502][ T1752]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.984667][ T1752]  ? move_addr_to_kernel (net/socket.c:258)
[   58.984802][ T1752]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.984936][ T1752]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.985072][ T1752]  ___sys_sendmsg (net/socket.c:2752)
[   58.985206][ T1752]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.985378][ T1752]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.985537][ T1752]  __sys_sendmsg (net/socket.c:2784)
[   58.985741][ T1752]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.985888][ T1752]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.986059][ T1752]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.986199][ T1752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.986343][ T1752]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.986486][ T1752]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.986627][ T1752]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.986764][ T1752]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.986931][ T1752] RIP: 0033:0x7fbf40f3508e
[   58.987078][ T1752] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.987572][ T1752] RSP: 002b:00007ffd150bbcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.987781][ T1752] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbf40f3508e
[   58.987985][ T1752] RDX: 0000000000000000 RSI: 00007ffd150bbda0 RDI: 0000000000000005
[   58.988187][ T1752] RBP: 00007ffd150bbd00 R08: 0000000000000000 R09: 0000000000000000
[   58.988401][ T1752] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf91
[   58.988607][ T1752] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd150bc470
| [   59.062159][ T1754] ------------[ cut here ]------------
| [   59.062456][ T1754] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1754
| [   59.062890][ T1754] Modules linked in: netdevsim
| [   59.063567][ T1754] Tainted: [W]=WARN
[   59.063738][ T1754] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.064011][ T1754] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.064299][ T1754] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.065091][ T1754] RSP: 0018:ffa00000042971b0 EFLAGS: 00010286
[   59.065376][ T1754] RAX: 00000000ffffffa6 RBX: ff1100000cf72340 RCX: 1ff4000000852dfc
[   59.065705][ T1754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf723f0
[   59.066031][ T1754] RBP: ff11000005c69000 R08: 1fe22000019ee47f R09: ff11000010730ba8
[   59.066366][ T1754] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   59.066702][ T1754] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   59.067028][ T1754] FS:  00007f6e91256840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   59.067424][ T1754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.067696][ T1754] CR2: 00000000004a77b8 CR3: 000000000f8fe001 CR4: 0000000000771ef0
[   59.068027][ T1754] PKRU: 55555554
[   59.068199][ T1754] Call Trace:
[   59.068651][ T1754]  <TASK>
[   59.068770][ T1754]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.068992][ T1754]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.069214][ T1754]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.069603][ T1754]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.069770][ T1754]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   59.069990][ T1754]  __dev_notify_flags (net/core/dev.c:9787)
[   59.070213][ T1754]  ? netif_change_name (net/core/dev.c:1495)
[   59.070568][ T1754]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.070839][ T1754]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   59.071061][ T1754]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   59.071285][ T1754]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   59.071578][ T1754]  ? __dev_get_by_name (net/core/dev.c:883)
[   59.071800][ T1754]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   59.072039][ T1754]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   59.072268][ T1754]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.072508][ T1754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.072728][ T1754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.072950][ T1754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.073167][ T1754]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.073400][ T1754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.073629][ T1754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.073855][ T1754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.074074][ T1754]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.074295][ T1754]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.074524][ T1754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.074728][ T1754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.074939][ T1754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.075152][ T1754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.075379][ T1754]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.075599][ T1754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.075824][ T1754]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.076047][ T1754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.076262][ T1754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.076499][ T1754]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.076715][ T1754]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.076932][ T1754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.077152][ T1754]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.077391][ T1754]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.077614][ T1754]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.077839][ T1754]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.078059][ T1754]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.078279][ T1754]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.078566][ T1754]  ? move_addr_to_kernel (net/socket.c:258)
[   59.078794][ T1754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.079018][ T1754]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   59.079245][ T1754]  ___sys_sendmsg (net/socket.c:2752)
[   59.079478][ T1754]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   59.079701][ T1754]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.079934][ T1754]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   59.080167][ T1754]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   59.080418][ T1754]  __sys_sendmsg (net/socket.c:2784)
[   59.080644][ T1754]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.080877][ T1754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.081102][ T1754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.081336][ T1754]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.081568][ T1754]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.081793][ T1754]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.082019][ T1754]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.082300][ T1754] RIP: 0033:0x7f6e9149008e
[   59.082595][ T1754] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.083543][ T1754] RSP: 002b:00007fff9d7aedc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.083891][ T1754] RAX: ffffffffffffffda RBX: 00007fff9d7af570 RCX: 00007f6e9149008e
[   59.084229][ T1754] RDX: 0000000000000000 RSI: 00007fff9d7aee70 RDI: 0000000000000005
[   59.084584][ T1754] RBP: 00007fff9d7aedd0 R08: 0000000000000000 R09: 0000000000000000
[   59.084923][ T1754] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf91
[   59.085258][ T1754] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9d7af540
| [   59.129900][ T1755] ------------[ cut here ]------------
| [   59.130187][ T1755] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1755
| [   59.130549][ T1755] Modules linked in: netdevsim
| [   59.131178][ T1755] Tainted: [W]=WARN
[   59.131350][ T1755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.131580][ T1755] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.131809][ T1755] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.132490][ T1755] RSP: 0018:ffa00000042a7020 EFLAGS: 00010286
[   59.132791][ T1755] RAX: 00000000ffffffa6 RBX: ff1100000cf72c40 RCX: 1ff4000000854dca
[   59.133100][ T1755] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf72cf0
[   59.133394][ T1755] RBP: ff11000005c69000 R08: 1fe22000019ee59f R09: ff1100000c2e0b80
[   59.133648][ T1755] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   59.133901][ T1755] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   59.134156][ T1755] FS:  00007f4883d39840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   59.134470][ T1755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.134697][ T1755] CR2: 000000000e39f988 CR3: 000000000f93f004 CR4: 0000000000771ef0
[   59.134961][ T1755] PKRU: 55555554
[   59.135121][ T1755] Call Trace:
[   59.135276][ T1755]  <TASK>
[   59.135417][ T1755]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   59.135607][ T1755]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.135797][ T1755]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.135949][ T1755]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   59.136141][ T1755]  __dev_notify_flags (net/core/dev.c:9787)
[   59.136343][ T1755]  ? netif_change_name (net/core/dev.c:1495)
[   59.136534][ T1755]  ? __dev_change_flags (net/core/dev.c:9752)
[   59.136720][ T1755]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   59.136904][ T1755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.137090][ T1755]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   59.137278][ T1755]  netif_change_flags (net/core/dev.c:9820)
[   59.137493][ T1755]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   59.137685][ T1755]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   59.137872][ T1755]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   59.138092][ T1755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.138277][ T1755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.138489][ T1755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.138680][ T1755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.138866][ T1755]  ? __kernel_text_address (kernel/extable.c:79)
[   59.139055][ T1755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.139244][ T1755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.139454][ T1755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.139641][ T1755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.139825][ T1755]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.140010][ T1755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.140201][ T1755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.140406][ T1755]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.140595][ T1755]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   59.140779][ T1755]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   59.140968][ T1755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.141168][ T1755]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   59.141371][ T1755]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   59.141583][ T1755]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.141785][ T1755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.141981][ T1755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.142179][ T1755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.142423][ T1755]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.142612][ T1755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.142811][ T1755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.143000][ T1755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.143232][ T1755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.143446][ T1755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.143651][ T1755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.143840][ T1755]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.144054][ T1755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.144245][ T1755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.144474][ T1755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.144678][ T1755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.144878][ T1755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.145071][ T1755]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.145264][ T1755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.145481][ T1755]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.145675][ T1755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.145868][ T1755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.146064][ T1755]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.146259][ T1755]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.146488][ T1755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.146682][ T1755]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.146874][ T1755]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.147066][ T1755]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.147259][ T1755]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.147475][ T1755]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.147667][ T1755]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.147899][ T1755]  ? move_addr_to_kernel (net/socket.c:258)
[   59.148094][ T1755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.148286][ T1755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.148558][ T1755]  ___sys_sendmsg (net/socket.c:2752)
[   59.148836][ T1755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.149175][ T1755]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.149496][ T1755]  __sys_sendmsg (net/socket.c:2784)
[   59.149726][ T1755]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.149916][ T1755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.150142][ T1755]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.150346][ T1755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.150542][ T1755]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.150730][ T1755]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.150919][ T1755]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.151115][ T1755]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.151351][ T1755] RIP: 0033:0x7f4883f7308e
[   59.151558][ T1755] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.152100][ T1755] RSP: 002b:00007ffce55c6ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.152392][ T1755] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4883f7308e
[   59.152649][ T1755] RDX: 0000000000000000 RSI: 00007ffce55c6f90 RDI: 0000000000000005
[   59.152908][ T1755] RBP: 00007ffce55c6ef0 R08: 0000000000000000 R09: 0000000000000000
[   59.153440][ T1755] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf91
[   59.153703][ T1755] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce55c7660
| [   59.750748][ T1779] ------------[ cut here ]------------
| [   59.750989][ T1779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1779
| [   59.751314][ T1779] Modules linked in: netdevsim
| [   59.751857][ T1779] Tainted: [W]=WARN
[   59.752010][ T1779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.752227][ T1779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.752479][ T1779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.753006][ T1779] RSP: 0018:ffa0000004337010 EFLAGS: 00010286
[   59.753228][ T1779] RAX: 00000000ffffffa6 RBX: ff1100000ed6fe40 RCX: 1ff4000000866dc8
[   59.753505][ T1779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fef0
[   59.753757][ T1779] RBP: ff1100000206c000 R08: 1fe2200001dadfdf R09: ff1100000c340b80
[   59.754010][ T1779] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   59.754260][ T1779] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004337100
[   59.754537][ T1779] FS:  00007fb073fbd840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   59.754828][ T1779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.755054][ T1779] CR2: 0000000033925988 CR3: 000000000f9ef001 CR4: 0000000000771ef0
[   59.755308][ T1779] PKRU: 55555554
[   59.755479][ T1779] Call Trace:
[   59.755631][ T1779]  <TASK>
[   59.755752][ T1779]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.755945][ T1779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.756100][ T1779]  netif_close_many (net/core/dev.c:1804)
[   59.756285][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.756494][ T1779]  ? __dev_close_many (net/core/dev.c:1781)
[   59.756686][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.756874][ T1779]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   59.757061][ T1779]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.757245][ T1779]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   59.757484][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.757671][ T1779]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   59.757886][ T1779]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   59.758071][ T1779]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.758255][ T1779]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   59.758499][ T1779]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   59.758686][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.758875][ T1779]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   59.759084][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.759274][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.759509][ T1779]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.759754][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.759973][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.760263][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.760474][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.760665][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.760849][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.761036][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.761227][ T1779]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   59.761438][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.761624][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.761811][ T1779]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.761996][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.762184][ T1779]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.762393][ T1779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.762588][ T1779]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.762773][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.762965][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.763153][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.763353][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.763548][ T1779]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.763732][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.763920][ T1779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.764109][ T1779]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.764295][ T1779]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.764506][ T1779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.764694][ T1779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.764878][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.765067][ T1779]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.765254][ T1779]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.765468][ T1779]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.765665][ T1779]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.765854][ T1779]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.766038][ T1779]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.766259][ T1779]  ? move_addr_to_kernel (net/socket.c:258)
[   59.766469][ T1779]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.766661][ T1779]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.766847][ T1779]  ___sys_sendmsg (net/socket.c:2752)
[   59.767033][ T1779]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.767254][ T1779]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.767472][ T1779]  __sys_sendmsg (net/socket.c:2784)
[   59.767664][ T1779]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.767847][ T1779]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.768074][ T1779]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.768260][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.768472][ T1779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.768660][ T1779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.768845][ T1779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.769032][ T1779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.769254][ T1779] RIP: 0033:0x7fb0741f708e
[   59.769472][ T1779] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.770005][ T1779] RSP: 002b:00007fff0f543600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.770264][ T1779] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb0741f708e
[   59.770549][ T1779] RDX: 0000000000000000 RSI: 00007fff0f5436b0 RDI: 0000000000000005
[   59.770804][ T1779] RBP: 00007fff0f543610 R08: 0000000000000000 R09: 0000000000000000
[   59.771058][ T1779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf91
[   59.771312][ T1779] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0f543d80
| [   59.775150][ T1779] ------------[ cut here ]------------
| [   59.775872][ T1779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1779
| [   59.776181][ T1779] Modules linked in: netdevsim
| [   59.776709][ T1779] Tainted: [W]=WARN
[   59.776857][ T1779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.777071][ T1779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.777294][ T1779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.777819][ T1779] RSP: 0018:ffa0000004337190 EFLAGS: 00010286
[   59.778033][ T1779] RAX: 00000000ffffffa6 RBX: ff110000093dfe40 RCX: 1ff4000000866df8
[   59.778274][ T1779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dfef0
[   59.778535][ T1779] RBP: ff1100000206c000 R08: 1fe220000127bfdf R09: ff1100000c340b58
[   59.778775][ T1779] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.779019][ T1779] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   59.779266][ T1779] FS:  00007fb073fbd840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   59.779563][ T1779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.779777][ T1779] CR2: 0000000033925988 CR3: 000000000f9ef001 CR4: 0000000000771ef0
[   59.780020][ T1779] PKRU: 55555554
[   59.780166][ T1779] Call Trace:
[   59.780309][ T1779]  <TASK>
[   59.780446][ T1779]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.780663][ T1779]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   59.780872][ T1779]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   59.781053][ T1779]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.781231][ T1779]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   59.781461][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.781641][ T1779]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   59.781820][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.781998][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.782178][ T1779]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.782383][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.782569][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.782765][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.782943][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.783124][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.783302][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.783532][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.783779][ T1779]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   59.784034][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.784281][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.784496][ T1779]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.784677][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.784857][ T1779]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.785035][ T1779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.785214][ T1779]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.785423][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.785604][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.785789][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.785973][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.786153][ T1779]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.786342][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.786530][ T1779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.786712][ T1779]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.786889][ T1779]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.787069][ T1779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.787247][ T1779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.787447][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.787628][ T1779]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.787807][ T1779]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.787985][ T1779]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.788166][ T1779]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.788358][ T1779]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.788545][ T1779]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.788762][ T1779]  ? move_addr_to_kernel (net/socket.c:258)
[   59.789030][ T1779]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.789208][ T1779]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.789418][ T1779]  ___sys_sendmsg (net/socket.c:2752)
[   59.789597][ T1779]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.789893][ T1779]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.790085][ T1779]  __sys_sendmsg (net/socket.c:2784)
[   59.790269][ T1779]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.790471][ T1779]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.790769][ T1779]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.790948][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.791124][ T1779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.791300][ T1779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.791582][ T1779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.791759][ T1779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.791968][ T1779] RIP: 0033:0x7fb0741f708e
[   59.792154][ T1779] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.792818][ T1779] RSP: 002b:00007fff0f543600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.793171][ T1779] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb0741f708e
[   59.793431][ T1779] RDX: 0000000000000000 RSI: 00007fff0f5436b0 RDI: 0000000000000005
[   59.793668][ T1779] RBP: 00007fff0f543610 R08: 0000000000000000 R09: 0000000000000000
[   59.793993][ T1779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf91
[   59.794233][ T1779] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0f543d80
| [   59.876015][ T1780] ------------[ cut here ]------------
| [   59.876275][ T1780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1780
| [   59.876721][ T1780] Modules linked in: netdevsim
| [   59.877405][ T1780] Tainted: [W]=WARN
[   59.877570][ T1780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.877835][ T1780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.878114][ T1780] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.878895][ T1780] RSP: 0018:ffa0000004347010 EFLAGS: 00010286
[   59.879174][ T1780] RAX: 00000000ffffffa6 RBX: ff110000093df0c0 RCX: 1ff4000000868dc8
[   59.879507][ T1780] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093df170
[   59.879828][ T1780] RBP: ff1100000ccf1000 R08: 1fe220000127be2f R09: ff1100000f90ae80
[   59.880146][ T1780] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   59.880477][ T1780] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004347100
[   59.880801][ T1780] FS:  00007f0586ee8840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   59.881188][ T1780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.881475][ T1780] CR2: 0000000013020988 CR3: 0000000010c5f002 CR4: 0000000000771ef0
[   59.881798][ T1780] PKRU: 55555554
[   59.881958][ T1780] Call Trace:
[   59.882119][ T1780]  <TASK>
[   59.882231][ T1780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.882468][ T1780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.882637][ T1780]  netif_close_many (net/core/dev.c:1804)
[   59.882854][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.883071][ T1780]  ? __dev_close_many (net/core/dev.c:1781)
[   59.883291][ T1780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.883521][ T1780]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   59.883740][ T1780]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.883954][ T1780]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   59.884223][ T1780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.884454][ T1780]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   59.884723][ T1780]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   59.884936][ T1780]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.885149][ T1780]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   59.885435][ T1780]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   59.885651][ T1780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.885869][ T1780]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   59.886088][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.886301][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.886538][ T1780]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.886759][ T1780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.886975][ T1780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.887220][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.887446][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.887658][ T1780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.887858][ T1780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.888064][ T1780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.888277][ T1780]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   59.888506][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.888720][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.888961][ T1780]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.889167][ T1780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.889399][ T1780]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.889612][ T1780]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.889830][ T1780]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.890051][ T1780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.890263][ T1780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.890496][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.890707][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.890922][ T1780]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.891135][ T1780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.891362][ T1780]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.891594][ T1780]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.891809][ T1780]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.892031][ T1780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.892249][ T1780]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.892478][ T1780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.892699][ T1780]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.892916][ T1780]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.893127][ T1780]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.893357][ T1780]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.893578][ T1780]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.893788][ T1780]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.894056][ T1780]  ? move_addr_to_kernel (net/socket.c:258)
[   59.894267][ T1780]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.894497][ T1780]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.894720][ T1780]  ___sys_sendmsg (net/socket.c:2752)
[   59.894937][ T1780]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.895209][ T1780]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.895469][ T1780]  __sys_sendmsg (net/socket.c:2784)
[   59.895683][ T1780]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.895897][ T1780]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.896173][ T1780]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.896399][ T1780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.896613][ T1780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.896826][ T1780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.897037][ T1780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.897258][ T1780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.897540][ T1780] RIP: 0033:0x7f058712208e
[   59.897769][ T1780] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.898543][ T1780] RSP: 002b:00007ffee303fa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.898868][ T1780] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f058712208e
[   59.899197][ T1780] RDX: 0000000000000000 RSI: 00007ffee303fb10 RDI: 0000000000000005
[   59.899537][ T1780] RBP: 00007ffee303fa70 R08: 0000000000000000 R09: 0000000000000000
[   59.899862][ T1780] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   59.900186][ T1780] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee30401e0
| [   59.905302][ T1780] ------------[ cut here ]------------
| [   59.905540][ T1780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1780
| [   59.905943][ T1780] Modules linked in: netdevsim
| [   59.906580][ T1780] Tainted: [W]=WARN
[   59.906734][ T1780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.906974][ T1780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.907238][ T1780] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.907961][ T1780] RSP: 0018:ffa0000004347190 EFLAGS: 00010286
[   59.908218][ T1780] RAX: 00000000ffffffa6 RBX: ff11000004ec0dc0 RCX: 1ff4000000868df8
[   59.908536][ T1780] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0e70
[   59.908834][ T1780] RBP: ff1100000ccf1000 R08: 1fe22000009d81cf R09: ff1100000f90ae58
[   59.909129][ T1780] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   59.909438][ T1780] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   59.909739][ T1780] FS:  00007f0586ee8840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   59.910092][ T1780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.910353][ T1780] CR2: 0000000013020988 CR3: 0000000010c5f002 CR4: 0000000000771ef0
[   59.910661][ T1780] PKRU: 55555554
[   59.910811][ T1780] Call Trace:
[   59.910965][ T1780]  <TASK>
[   59.911071][ T1780]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.911343][ T1780]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   59.911598][ T1780]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   59.911798][ T1780]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.911999][ T1780]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   59.912252][ T1780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.912591][ T1780]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   59.912794][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.912998][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.913195][ T1780]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.913606][ T1780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.913806][ T1780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.914042][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.914241][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.914660][ T1780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.914863][ T1780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.915068][ T1780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.915269][ T1780]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   59.915635][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.915835][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.916038][ T1780]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.916239][ T1780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.916618][ T1780]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   59.916829][ T1780]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.917030][ T1780]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.917235][ T1780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.917536][ T1780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.917733][ T1780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.917925][ T1780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.918123][ T1780]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.918311][ T1780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.918599][ T1780]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.918797][ T1780]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.918991][ T1780]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.919189][ T1780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.919487][ T1780]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.919681][ T1780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.919880][ T1780]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.920085][ T1780]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.920282][ T1780]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.920583][ T1780]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.920775][ T1780]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.920968][ T1780]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.921209][ T1780]  ? move_addr_to_kernel (net/socket.c:258)
[   59.921471][ T1780]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.921667][ T1780]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.921869][ T1780]  ___sys_sendmsg (net/socket.c:2752)
[   59.922066][ T1780]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.922315][ T1780]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.922638][ T1780]  __sys_sendmsg (net/socket.c:2784)
[   59.922837][ T1780]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.923032][ T1780]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.923286][ T1780]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.923583][ T1780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.923780][ T1780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.923976][ T1780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.924174][ T1780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.924480][ T1780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.924731][ T1780] RIP: 0033:0x7f058712208e
[   59.924954][ T1780] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.925777][ T1780] RSP: 002b:00007ffee303fa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.926080][ T1780] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f058712208e
[   59.926498][ T1780] RDX: 0000000000000000 RSI: 00007ffee303fb10 RDI: 0000000000000005
[   59.926801][ T1780] RBP: 00007ffee303fa70 R08: 0000000000000000 R09: 0000000000000000
[   59.927109][ T1780] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   59.927508][ T1780] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee30401e0
| [   59.996051][ T1781] ------------[ cut here ]------------
| [   59.996386][ T1781] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1781
| [   59.996886][ T1781] Modules linked in: netdevsim
| [   59.997676][ T1781] Tainted: [W]=WARN
[   59.997894][ T1781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.998219][ T1781] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.999858][ T1781] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.000695][ T1781] RSP: 0018:ffa0000004347010 EFLAGS: 00010286
[   60.001018][ T1781] RAX: 00000000ffffffa6 RBX: ff1100000c194f40 RCX: 1ff4000000868dc8
[   60.001412][ T1781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c194ff0
[   60.001814][ T1781] RBP: ff11000005c69000 R08: 1fe22000018329ff R09: ff1100000f908b80
[   60.002188][ T1781] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   60.002583][ T1781] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004347100
[   60.002956][ T1781] FS:  00007fef06b19840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   60.003405][ T1781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.003730][ T1781] CR2: 000000000dde7988 CR3: 000000000c697003 CR4: 0000000000771ef0
[   60.004100][ T1781] PKRU: 55555554
[   60.004312][ T1781] Call Trace:
[   60.004547][ T1781]  <TASK>
[   60.004712][ T1781]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   60.004982][ T1781]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   60.005200][ T1781]  netif_close_many (net/core/dev.c:1804)
[   60.005490][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.005759][ T1781]  ? __dev_close_many (net/core/dev.c:1781)
[   60.006029][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.006312][ T1781]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   60.006635][ T1781]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.006902][ T1781]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   60.007226][ T1781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.007517][ T1781]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.007837][ T1781]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.008104][ T1781]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.008384][ T1781]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   60.008724][ T1781]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   60.008987][ T1781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.009255][ T1781]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   60.009567][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.009831][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.010102][ T1781]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.010384][ T1781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.010655][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.010957][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.011221][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.011509][ T1781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.011777][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.012047][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.012310][ T1781]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   60.012601][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.012875][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.013142][ T1781]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.013430][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.013697][ T1781]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.013967][ T1781]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.014233][ T1781]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.014523][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.014794][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.015060][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.015342][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.015616][ T1781]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.015875][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.016147][ T1781]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.016440][ T1781]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.016702][ T1781]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.016972][ T1781]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.017237][ T1781]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.017543][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.017806][ T1781]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.018072][ T1781]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.018358][ T1781]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.018634][ T1781]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.018901][ T1781]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.019163][ T1781]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.019502][ T1781]  ? move_addr_to_kernel (net/socket.c:258)
[   60.019770][ T1781]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.020030][ T1781]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.020303][ T1781]  ___sys_sendmsg (net/socket.c:2752)
[   60.020588][ T1781]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   60.020903][ T1781]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.021192][ T1781]  __sys_sendmsg (net/socket.c:2784)
[   60.021481][ T1781]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.021746][ T1781]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   60.022071][ T1781]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.022355][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.022632][ T1781]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.022915][ T1781]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.023175][ T1781]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.023470][ T1781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.023783][ T1781] RIP: 0033:0x7fef06d5308e
[   60.024057][ T1781] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.024873][ T1781] RSP: 002b:00007ffff3732960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.025246][ T1781] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fef06d5308e
[   60.025633][ T1781] RDX: 0000000000000000 RSI: 00007ffff3732a10 RDI: 0000000000000005
[   60.026008][ T1781] RBP: 00007ffff3732970 R08: 0000000000000000 R09: 0000000000000000
[   60.026424][ T1781] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   60.026791][ T1781] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff37330e0
| [   60.032923][ T1781] ------------[ cut here ]------------
| [   60.033112][ T1781] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1781
| [   60.033393][ T1781] Modules linked in: netdevsim
| [   60.033809][ T1781] Tainted: [W]=WARN
[   60.033909][ T1781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.034073][ T1781] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.034246][ T1781] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.034734][ T1781] RSP: 0018:ffa0000004347190 EFLAGS: 00010286
[   60.034916][ T1781] RAX: 00000000ffffffa6 RBX: ff110000093dedc0 RCX: 1ff4000000868df8
[   60.035111][ T1781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dee70
[   60.035308][ T1781] RBP: ff11000005c69000 R08: 1fe220000127bdcf R09: ff1100000f908b58
[   60.035520][ T1781] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   60.035713][ T1781] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   60.035909][ T1781] FS:  00007fef06b19840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   60.036141][ T1781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.036306][ T1781] CR2: 000055fbe875cd5c CR3: 000000000c697003 CR4: 0000000000771ef0
[   60.036520][ T1781] PKRU: 55555554
[   60.036618][ T1781] Call Trace:
[   60.036722][ T1781]  <TASK>
[   60.036790][ T1781]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   60.036959][ T1781]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.037120][ T1781]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.037250][ T1781]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.037403][ T1781]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   60.037565][ T1781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.037703][ T1781]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   60.037835][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.037965][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.038098][ T1781]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.038229][ T1781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.038370][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.038523][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.038654][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.038790][ T1781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.038918][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.039048][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.039177][ T1781]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   60.039314][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.039488][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.039620][ T1781]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.039749][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.039896][ T1781]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.040027][ T1781]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.040157][ T1781]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.040286][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.041986][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.042183][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.042310][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.042450][ T1781]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.042579][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.042709][ T1781]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.042841][ T1781]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.042970][ T1781]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.043104][ T1781]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.043234][ T1781]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.043370][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.043505][ T1781]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.043634][ T1781]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.043762][ T1781]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.043896][ T1781]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.044030][ T1781]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.044158][ T1781]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.044317][ T1781]  ? move_addr_to_kernel (net/socket.c:258)
[   60.044458][ T1781]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.044606][ T1781]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.044737][ T1781]  ___sys_sendmsg (net/socket.c:2752)
[   60.044865][ T1781]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   60.045046][ T1781]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.045189][ T1781]  __sys_sendmsg (net/socket.c:2784)
[   60.045319][ T1781]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.045459][ T1781]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   60.045622][ T1781]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.045750][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.045888][ T1781]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.046021][ T1781]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.046150][ T1781]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.046282][ T1781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.046454][ T1781] RIP: 0033:0x7fef06d5308e
[   60.046595][ T1781] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.047058][ T1781] RSP: 002b:00007ffff3732960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.047254][ T1781] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fef06d5308e
[   60.047482][ T1781] RDX: 0000000000000000 RSI: 00007ffff3732a10 RDI: 0000000000000005
[   60.047675][ T1781] RBP: 00007ffff3732970 R08: 0000000000000000 R09: 0000000000000000
[   60.047868][ T1781] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   60.048068][ T1781] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff37330e0
| [   60.189775][ T1791] ------------[ cut here ]------------
| [   60.190072][ T1791] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1791
| [   60.190546][ T1791] Modules linked in: netdevsim
| [   60.191254][ T1791] Tainted: [W]=WARN
[   60.191439][ T1791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.191733][ T1791] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.192041][ T1791] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.192860][ T1791] RSP: 0018:ffa00000043c71b0 EFLAGS: 00010286
[   60.193147][ T1791] RAX: 00000000ffffffa6 RBX: ff1100000c194dc0 RCX: 1ff4000000878dfc
[   60.193509][ T1791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c194e70
[   60.193852][ T1791] RBP: ff11000007a51000 R08: 1fe22000018329cf R09: ff110000106e0ba8
[   60.194182][ T1791] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   60.194540][ T1791] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   60.194876][ T1791] FS:  00007faa53e39840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   60.195269][ T1791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.195560][ T1791] CR2: 00000000004a77b8 CR3: 000000000f4c3005 CR4: 0000000000771ef0
[   60.195890][ T1791] PKRU: 55555554
[   60.196057][ T1791] Call Trace:
[   60.196222][ T1791]  <TASK>
[   60.196347][ T1791]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.196579][ T1791]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   60.196800][ T1791]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   60.197024][ T1791]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   60.197197][ T1791]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   60.197437][ T1791]  __dev_notify_flags (net/core/dev.c:9787)
[   60.197663][ T1791]  ? netif_change_name (net/core/dev.c:1495)
[   60.197893][ T1791]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   60.198172][ T1791]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   60.198412][ T1791]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   60.198639][ T1791]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   60.198868][ T1791]  ? __dev_get_by_name (net/core/dev.c:883)
[   60.199086][ T1791]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   60.199343][ T1791]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   60.199581][ T1791]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   60.199824][ T1791]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.200045][ T1791]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.200267][ T1791]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.200547][ T1791]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.200763][ T1791]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.201002][ T1791]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.201229][ T1791]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.201474][ T1791]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.201709][ T1791]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.201928][ T1791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.202153][ T1791]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.202393][ T1791]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.202614][ T1791]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.202836][ T1791]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.203057][ T1791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.203280][ T1791]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.203529][ T1791]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.203753][ T1791]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.203980][ T1791]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.204204][ T1791]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.204441][ T1791]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.204666][ T1791]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.204892][ T1791]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.205124][ T1791]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.205358][ T1791]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.205585][ T1791]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.205805][ T1791]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.206081][ T1791]  ? move_addr_to_kernel (net/socket.c:258)
[   60.206305][ T1791]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.206535][ T1791]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   60.206763][ T1791]  ___sys_sendmsg (net/socket.c:2752)
[   60.206983][ T1791]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   60.207201][ T1791]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.207443][ T1791]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   60.207670][ T1791]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   60.207889][ T1791]  __sys_sendmsg (net/socket.c:2784)
[   60.208109][ T1791]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.208349][ T1791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.208588][ T1791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.208810][ T1791]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.209030][ T1791]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.209249][ T1791]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.209488][ T1791]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.209771][ T1791] RIP: 0033:0x7faa5407308e
[   60.210010][ T1791] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.210822][ T1791] RSP: 002b:00007ffe5e579cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.211158][ T1791] RAX: ffffffffffffffda RBX: 00007ffe5e57a480 RCX: 00007faa5407308e
[   60.211506][ T1791] RDX: 0000000000000000 RSI: 00007ffe5e579d80 RDI: 0000000000000005
[   60.211839][ T1791] RBP: 00007ffe5e579ce0 R08: 0000000000000000 R09: 0000000000000000
[   60.212162][ T1791] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   60.212506][ T1791] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5e57a450
| [   60.284693][ T1792] ------------[ cut here ]------------
| [   60.285032][ T1792] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1792
| [   60.285911][ T1792] Modules linked in: netdevsim
| [   60.286735][ T1792] Tainted: [W]=WARN
[   60.286959][ T1792] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.287292][ T1792] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.287663][ T1792] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.288516][ T1792] RSP: 0018:ffa00000043d7020 EFLAGS: 00010286
[   60.288849][ T1792] RAX: 00000000ffffffa6 RBX: ff11000009110940 RCX: 1ff400000087adca
[   60.289236][ T1792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091109f0
[   60.289650][ T1792] RBP: ff11000007a51000 R08: 1fe220000122213f R09: ff1100000c295180
[   60.290032][ T1792] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   60.290435][ T1792] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   60.290828][ T1792] FS:  00007f0397422840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   60.291269][ T1792] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.291626][ T1792] CR2: 00007f03976f21a0 CR3: 000000000f45f006 CR4: 0000000000771ef0
[   60.292017][ T1792] PKRU: 55555554
[   60.292238][ T1792] Call Trace:
[   60.292492][ T1792]  <TASK>
[   60.292663][ T1792]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   60.292938][ T1792]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   60.293217][ T1792]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   60.293463][ T1792]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   60.293741][ T1792]  __dev_notify_flags (net/core/dev.c:9787)
[   60.294018][ T1792]  ? netif_change_name (net/core/dev.c:1495)
[   60.294292][ T1792]  ? __dev_change_flags (net/core/dev.c:9752)
[   60.294597][ T1792]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   60.294869][ T1792]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.295150][ T1792]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   60.295454][ T1792]  netif_change_flags (net/core/dev.c:9820)
[   60.295730][ T1792]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   60.296007][ T1792]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   60.296283][ T1792]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   60.296636][ T1792]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.296910][ T1792]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.297184][ T1792]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.297480][ T1792]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.297758][ T1792]  ? __kernel_text_address (kernel/extable.c:79)
[   60.298040][ T1792]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.298319][ T1792]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.298621][ T1792]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   60.298897][ T1792]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.299174][ T1792]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.299474][ T1792]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.299754][ T1792]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.300028][ T1792]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   60.300296][ T1792]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   60.300588][ T1792]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   60.300847][ T1792]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   60.301118][ T1792]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   60.301420][ T1792]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   60.301699][ T1792]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   60.301967][ T1792]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.302231][ T1792]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.302582][ T1792]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.302862][ T1792]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.303133][ T1792]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.303428][ T1792]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.303690][ T1792]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.303958][ T1792]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.304232][ T1792]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.304527][ T1792]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.304807][ T1792]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.305079][ T1792]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.305366][ T1792]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.305648][ T1792]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.305923][ T1792]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.306191][ T1792]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.306486][ T1792]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.306756][ T1792]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.307035][ T1792]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.307306][ T1792]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.307594][ T1792]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.307856][ T1792]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.308124][ T1792]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.308446][ T1792]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.308725][ T1792]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.309006][ T1792]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.309275][ T1792]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.309573][ T1792]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.309849][ T1792]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.310120][ T1792]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.310467][ T1792]  ? move_addr_to_kernel (net/socket.c:258)
[   60.310737][ T1792]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.311019][ T1792]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.311295][ T1792]  ___sys_sendmsg (net/socket.c:2752)
[   60.311594][ T1792]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   60.311922][ T1792]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.312210][ T1792]  __sys_sendmsg (net/socket.c:2784)
[   60.312507][ T1792]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.312771][ T1792]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   60.313101][ T1792]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.313398][ T1792]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.313673][ T1792]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.313941][ T1792]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.314217][ T1792]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.314512][ T1792]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.314841][ T1792] RIP: 0033:0x7f039765c08e
[   60.315120][ T1792] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.315954][ T1792] RSP: 002b:00007fff8e743c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.316355][ T1792] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f039765c08e
[   60.316744][ T1792] RDX: 0000000000000000 RSI: 00007fff8e743d20 RDI: 0000000000000005
[   60.317118][ T1792] RBP: 00007fff8e743c80 R08: 0000000000000000 R09: 0000000000000000
[   60.317518][ T1792] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   60.317893][ T1792] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8e7443f0
| [   60.391981][ T1795] ------------[ cut here ]------------
| [   60.392160][ T1795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1795
| [   60.393151][ T1795] Modules linked in: netdevsim
| [   60.393605][ T1795] Tainted: [W]=WARN
[   60.393716][ T1795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.393897][ T1795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.394086][ T1795] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.394598][ T1795] RSP: 0018:ffa00000044071b0 EFLAGS: 00010286
[   60.394778][ T1795] RAX: 00000000ffffffa6 RBX: ff1100000538cac0 RCX: 1ff4000000880dfc
[   60.394993][ T1795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538cb70
[   60.395208][ T1795] RBP: ff1100000f9d4000 R08: 1fe2200000a7196f R09: ff1100000f69aea8
[   60.395437][ T1795] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   60.395650][ T1795] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   60.395864][ T1795] FS:  00007f7d9ed6a840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   60.396125][ T1795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.396302][ T1795] CR2: 00000000004a77b8 CR3: 000000000f9af006 CR4: 0000000000771ef0
[   60.396531][ T1795] PKRU: 55555554
[   60.396641][ T1795] Call Trace:
[   60.396748][ T1795]  <TASK>
[   60.396824][ T1795]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.396969][ T1795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   60.397112][ T1795]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   60.397255][ T1795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   60.397372][ T1795]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   60.397517][ T1795]  __dev_notify_flags (net/core/dev.c:9787)
[   60.397662][ T1795]  ? netif_change_name (net/core/dev.c:1495)
[   60.397808][ T1795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   60.397990][ T1795]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   60.398137][ T1795]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   60.398280][ T1795]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   60.398432][ T1795]  ? __dev_get_by_name (net/core/dev.c:883)
[   60.398575][ T1795]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   60.398723][ T1795]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   60.398869][ T1795]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   60.399014][ T1795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.399159][ T1795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.399303][ T1795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.399452][ T1795]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.399592][ T1795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.399739][ T1795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.399881][ T1795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.400027][ T1795]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.400169][ T1795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.400310][ T1795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.400462][ T1795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.400605][ T1795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.400745][ T1795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.400888][ T1795]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.401036][ T1795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.401179][ T1795]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.401323][ T1795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.401477][ T1795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.401621][ T1795]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.401765][ T1795]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.401906][ T1795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.402051][ T1795]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.402193][ T1795]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.402342][ T1795]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.402490][ T1795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.402633][ T1795]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.402773][ T1795]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.402950][ T1795]  ? move_addr_to_kernel (net/socket.c:258)
[   60.403092][ T1795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.403235][ T1795]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   60.403382][ T1795]  ___sys_sendmsg (net/socket.c:2752)
[   60.403526][ T1795]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   60.403668][ T1795]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.403813][ T1795]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   60.403978][ T1795]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   60.404128][ T1795]  __sys_sendmsg (net/socket.c:2784)
[   60.404269][ T1795]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.404426][ T1795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.404567][ T1795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.404706][ T1795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.404851][ T1795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.404998][ T1795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.405141][ T1795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.405316][ T1795] RIP: 0033:0x7f7d9efa408e
[   60.405475][ T1795] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.405979][ T1795] RSP: 002b:00007ffeee71f040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.406202][ T1795] RAX: ffffffffffffffda RBX: 00007ffeee71f7f0 RCX: 00007f7d9efa408e
[   60.406424][ T1795] RDX: 0000000000000000 RSI: 00007ffeee71f0f0 RDI: 0000000000000005
[   60.406637][ T1795] RBP: 00007ffeee71f050 R08: 0000000000000000 R09: 0000000000000000
[   60.406849][ T1795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   60.407058][ T1795] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeee71f7c0
| [   60.446207][ T1796] ------------[ cut here ]------------
| [   60.446599][ T1796] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1796
| [   60.447224][ T1796] Modules linked in: netdevsim
| [   60.448045][ T1796] Tainted: [W]=WARN
[   60.448210][ T1796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.448640][ T1796] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.448930][ T1796] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.449811][ T1796] RSP: 0018:ffa0000003f47020 EFLAGS: 00010286
[   60.450088][ T1796] RAX: 00000000ffffffa6 RBX: ff1100000538dcc0 RCX: 1ff40000007e8dca
[   60.450519][ T1796] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538dd70
[   60.450847][ T1796] RBP: ff1100000f9d4000 R08: 1fe2200000a71baf R09: ff1100000f8f0b80
[   60.451171][ T1796] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   60.451604][ T1796] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   60.451924][ T1796] FS:  00007eff1446b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   60.452305][ T1796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.452693][ T1796] CR2: 00000000048f8988 CR3: 000000000cdcc001 CR4: 0000000000771ef0
[   60.453018][ T1796] PKRU: 55555554
[   60.453179][ T1796] Call Trace:
[   60.453423][ T1796]  <TASK>
[   60.453537][ T1796]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   60.453762][ T1796]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   60.453924][ T1796]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   60.454144][ T1796]  __dev_notify_flags (net/core/dev.c:9787)
[   60.454376][ T1796]  ? netif_change_name (net/core/dev.c:1495)
[   60.454599][ T1796]  ? __dev_change_flags (net/core/dev.c:9752)
[   60.454815][ T1796]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   60.455030][ T1796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.455251][ T1796]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   60.455487][ T1796]  netif_change_flags (net/core/dev.c:9820)
[   60.455704][ T1796]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   60.455926][ T1796]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   60.456146][ T1796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   60.456430][ T1796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.456646][ T1796]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.456865][ T1796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.457080][ T1796]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.457294][ T1796]  ? __kernel_text_address (kernel/extable.c:79)
[   60.457528][ T1796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.457750][ T1796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.457965][ T1796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   60.458184][ T1796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.458421][ T1796]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.458637][ T1796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.458848][ T1796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.459063][ T1796]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   60.459281][ T1796]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   60.459518][ T1796]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   60.459738][ T1796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   60.459957][ T1796]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   60.460187][ T1796]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   60.460425][ T1796]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   60.460642][ T1796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.460853][ T1796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.461069][ T1796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.461284][ T1796]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.461511][ T1796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.461733][ T1796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.461948][ T1796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.462163][ T1796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.462384][ T1796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.462592][ T1796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.462808][ T1796]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.463024][ T1796]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.463233][ T1796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.463464][ T1796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.463684][ T1796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.463899][ T1796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.464119][ T1796]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.464343][ T1796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.464567][ T1796]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.464792][ T1796]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.465008][ T1796]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.465232][ T1796]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.465464][ T1796]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.465680][ T1796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.465894][ T1796]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.466113][ T1796]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.466347][ T1796]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.466573][ T1796]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.466795][ T1796]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.467012][ T1796]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.467278][ T1796]  ? move_addr_to_kernel (net/socket.c:258)
[   60.467514][ T1796]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.467733][ T1796]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.467955][ T1796]  ___sys_sendmsg (net/socket.c:2752)
[   60.468170][ T1796]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   60.468453][ T1796]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.468691][ T1796]  __sys_sendmsg (net/socket.c:2784)
[   60.468905][ T1796]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.469123][ T1796]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   60.469420][ T1796]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.469637][ T1796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.469855][ T1796]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.470071][ T1796]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.470292][ T1796]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.470525][ T1796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.470794][ T1796] RIP: 0033:0x7eff146a508e
[   60.471022][ T1796] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.471805][ T1796] RSP: 002b:00007ffe4b65ff10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.472137][ T1796] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007eff146a508e
[   60.472475][ T1796] RDX: 0000000000000000 RSI: 00007ffe4b65ffc0 RDI: 0000000000000005
[   60.472796][ T1796] RBP: 00007ffe4b65ff20 R08: 0000000000000000 R09: 0000000000000000
[   60.473118][ T1796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf92
[   60.473457][ T1796] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4b660690
| [   60.925481][ T1814] ------------[ cut here ]------------
| [   60.925671][ T1814] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1814
| [   60.925956][ T1814] Modules linked in: netdevsim
| [   60.926387][ T1814] Tainted: [W]=WARN
[   60.926497][ T1814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.926670][ T1814] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.926851][ T1814] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.927341][ T1814] RSP: 0018:ffa0000004497010 EFLAGS: 00010286
[   60.927524][ T1814] RAX: 00000000ffffffa6 RBX: ff1100000ed73240 RCX: 1ff4000000892dc8
[   60.927734][ T1814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed732f0
[   60.927994][ T1814] RBP: ff11000007a51000 R08: 1fe2200001dae65f R09: ff11000004c75180
[   60.928294][ T1814] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   60.928623][ T1814] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004497100
[   60.928892][ T1814] FS:  00007f5f3f024840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   60.929135][ T1814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.929314][ T1814] CR2: 0000000024898988 CR3: 000000000c79d001 CR4: 0000000000771ef0
[   60.929543][ T1814] PKRU: 55555554
[   60.929648][ T1814] Call Trace:
[   60.929755][ T1814]  <TASK>
[   60.929828][ T1814]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   60.929973][ T1814]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   60.930078][ T1814]  netif_close_many (net/core/dev.c:1804)
[   60.930220][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.930372][ T1814]  ? __dev_close_many (net/core/dev.c:1781)
[   60.930520][ T1814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.930705][ T1814]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   60.930910][ T1814]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.931114][ T1814]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   60.931391][ T1814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.931569][ T1814]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.931743][ T1814]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.931884][ T1814]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.932022][ T1814]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   60.932197][ T1814]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   60.932340][ T1814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.932485][ T1814]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   60.932622][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.932767][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.932911][ T1814]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.933048][ T1814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.933183][ T1814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.933345][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.933487][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.933623][ T1814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.933759][ T1814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.933895][ T1814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.934031][ T1814]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   60.934170][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.934308][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.934454][ T1814]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.934592][ T1814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.934728][ T1814]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.934864][ T1814]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.935010][ T1814]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.935147][ T1814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.935289][ T1814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.935438][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.935571][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.935708][ T1814]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.935845][ T1814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.935988][ T1814]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.936135][ T1814]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.936273][ T1814]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.936423][ T1814]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.936559][ T1814]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.936695][ T1814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.936833][ T1814]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.936973][ T1814]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.937119][ T1814]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.937260][ T1814]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.937432][ T1814]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.937568][ T1814]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.937745][ T1814]  ? move_addr_to_kernel (net/socket.c:258)
[   60.937885][ T1814]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.938025][ T1814]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.938170][ T1814]  ___sys_sendmsg (net/socket.c:2752)
[   60.938311][ T1814]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   60.938496][ T1814]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.938646][ T1814]  __sys_sendmsg (net/socket.c:2784)
[   60.938785][ T1814]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.938922][ T1814]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   60.939094][ T1814]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.939234][ T1814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.939379][ T1814]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.939521][ T1814]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.939663][ T1814]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.939801][ T1814]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.939975][ T1814] RIP: 0033:0x7f5f3f25e08e
[   60.940121][ T1814] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.940624][ T1814] RSP: 002b:00007ffcb771c4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.940835][ T1814] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5f3f25e08e
[   60.941045][ T1814] RDX: 0000000000000000 RSI: 00007ffcb771c550 RDI: 0000000000000005
[   60.941257][ T1814] RBP: 00007ffcb771c4b0 R08: 0000000000000000 R09: 0000000000000000
[   60.941472][ T1814] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   60.941676][ T1814] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb771cc20
| [   60.952541][ T1814] ------------[ cut here ]------------
| [   60.952712][ T1814] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1814
| [   60.952984][ T1814] Modules linked in: netdevsim
| [   60.953481][ T1814] Tainted: [W]=WARN
[   60.953585][ T1814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.953745][ T1814] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.953914][ T1814] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.954432][ T1814] RSP: 0018:ffa0000004497190 EFLAGS: 00010286
[   60.954597][ T1814] RAX: 00000000ffffffa6 RBX: ff11000004b0a040 RCX: 1ff4000000892df8
[   60.954791][ T1814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a0f0
[   60.954981][ T1814] RBP: ff11000007a51000 R08: 1fe220000096141f R09: ff11000004c75158
[   60.955174][ T1814] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   60.955473][ T1814] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   60.955669][ T1814] FS:  00007f5f3f024840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   60.955899][ T1814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.956065][ T1814] CR2: 0000000024898988 CR3: 000000000c79d001 CR4: 0000000000771ef0
[   60.956258][ T1814] PKRU: 55555554
[   60.956439][ T1814] Call Trace:
[   60.956542][ T1814]  <TASK>
[   60.956609][ T1814]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   60.956777][ T1814]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.956934][ T1814]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.957063][ T1814]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.957190][ T1814]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   60.957450][ T1814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.957585][ T1814]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   60.957715][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.957842][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.957977][ T1814]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.958116][ T1814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.958249][ T1814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.958493][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.958628][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.958761][ T1814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.958892][ T1814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.959021][ T1814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.959152][ T1814]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   60.959284][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.959504][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.959633][ T1814]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.959761][ T1814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.959901][ T1814]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   60.960036][ T1814]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.960170][ T1814]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.960296][ T1814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.960513][ T1814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.960648][ T1814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.960776][ T1814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.960905][ T1814]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.961035][ T1814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.961166][ T1814]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.961295][ T1814]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.961565][ T1814]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.961730][ T1814]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.961860][ T1814]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.961987][ T1814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.962120][ T1814]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.962249][ T1814]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.962416][ T1814]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.962548][ T1814]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.962675][ T1814]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.962801][ T1814]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.962957][ T1814]  ? move_addr_to_kernel (net/socket.c:258)
[   60.963097][ T1814]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.963230][ T1814]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.963368][ T1814]  ___sys_sendmsg (net/socket.c:2752)
[   60.963500][ T1814]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   60.963661][ T1814]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.963802][ T1814]  __sys_sendmsg (net/socket.c:2784)
[   60.963931][ T1814]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.964059][ T1814]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   60.964224][ T1814]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.964360][ T1814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.964496][ T1814]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.964629][ T1814]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.964757][ T1814]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.964884][ T1814]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.965075][ T1814] RIP: 0033:0x7f5f3f25e08e
[   60.965215][ T1814] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.965681][ T1814] RSP: 002b:00007ffcb771c4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.965874][ T1814] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5f3f25e08e
[   60.966066][ T1814] RDX: 0000000000000000 RSI: 00007ffcb771c550 RDI: 0000000000000005
[   60.966257][ T1814] RBP: 00007ffcb771c4b0 R08: 0000000000000000 R09: 0000000000000000
[   60.966459][ T1814] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   60.966649][ T1814] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb771cc20
| [   61.014665][ T1815] ------------[ cut here ]------------
| [   61.014843][ T1815] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1815
| [   61.015130][ T1815] Modules linked in: netdevsim
| [   61.015568][ T1815] Tainted: [W]=WARN
[   61.015675][ T1815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.015853][ T1815] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.016039][ T1815] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.016549][ T1815] RSP: 0018:ffa00000044a7010 EFLAGS: 00010286
[   61.016729][ T1815] RAX: 00000000ffffffa6 RBX: ff11000004b0a640 RCX: 1ff4000000894dc8
[   61.016935][ T1815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0a6f0
[   61.017150][ T1815] RBP: ff1100000f9d4000 R08: 1fe22000009614df R09: ff1100000f88ae80
[   61.017366][ T1815] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   61.017578][ T1815] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000044a7100
[   61.017789][ T1815] FS:  00007f08d5ef1840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   61.018041][ T1815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.018215][ T1815] CR2: 00007f08d61c11a0 CR3: 000000000fabf002 CR4: 0000000000771ef0
[   61.018460][ T1815] PKRU: 55555554
[   61.018567][ T1815] Call Trace:
[   61.018671][ T1815]  <TASK>
[   61.018745][ T1815]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.018887][ T1815]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.018996][ T1815]  netif_close_many (net/core/dev.c:1804)
[   61.019135][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.019277][ T1815]  ? __dev_close_many (net/core/dev.c:1781)
[   61.019425][ T1815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.019567][ T1815]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.019706][ T1815]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.019841][ T1815]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   61.020021][ T1815]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[   61.020160][ T1815]  ? ktime_get (kernel/time/timekeeping.c:299 kernel/time/timekeeping.c:449 kernel/time/timekeeping.c:967)
[   61.020297][ T1815]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.020476][ T1815]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.020613][ T1815]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.020752][ T1815]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.020923][ T1815]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.021059][ T1815]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.021203][ T1815]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   61.021354][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.021496][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.021641][ T1815]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.021783][ T1815]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.021925][ T1815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.022085][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.022223][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.022367][ T1815]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.022511][ T1815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.022648][ T1815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.022785][ T1815]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   61.022925][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.023064][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.023201][ T1815]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.023342][ T1815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.023485][ T1815]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.023627][ T1815]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.023770][ T1815]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.023907][ T1815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.024045][ T1815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.024184][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.024320][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.024475][ T1815]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.024611][ T1815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.024749][ T1815]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.024892][ T1815]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.025032][ T1815]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.025178][ T1815]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.025316][ T1815]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.025467][ T1815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.025610][ T1815]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.025746][ T1815]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.025887][ T1815]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.026029][ T1815]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.026165][ T1815]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.026301][ T1815]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.026475][ T1815]  ? move_addr_to_kernel (net/socket.c:258)
[   61.026616][ T1815]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.026753][ T1815]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.026892][ T1815]  ___sys_sendmsg (net/socket.c:2752)
[   61.027029][ T1815]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.027203][ T1815]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.027362][ T1815]  __sys_sendmsg (net/socket.c:2784)
[   61.027504][ T1815]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.027641][ T1815]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.027815][ T1815]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.027953][ T1815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.028096][ T1815]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.028234][ T1815]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.028375][ T1815]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.028519][ T1815]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.028689][ T1815] RIP: 0033:0x7f08d612b08e
[   61.028833][ T1815] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.029322][ T1815] RSP: 002b:00007ffda67e3f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.029541][ T1815] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f08d612b08e
[   61.029747][ T1815] RDX: 0000000000000000 RSI: 00007ffda67e4000 RDI: 0000000000000005
[   61.029956][ T1815] RBP: 00007ffda67e3f60 R08: 0000000000000000 R09: 0000000000000000
[   61.030161][ T1815] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   61.030375][ T1815] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda67e46d0
| [   61.042976][ T1815] ------------[ cut here ]------------
| [   61.043144][ T1815] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1815
| [   61.043417][ T1815] Modules linked in: netdevsim
| [   61.043823][ T1815] Tainted: [W]=WARN
[   61.043922][ T1815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.044087][ T1815] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.044264][ T1815] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.044739][ T1815] RSP: 0018:ffa00000044a7190 EFLAGS: 00010286
[   61.044902][ T1815] RAX: 00000000ffffffa6 RBX: ff1100000cf73b40 RCX: 1ff4000000894df8
[   61.045096][ T1815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf73bf0
[   61.045289][ T1815] RBP: ff1100000f9d4000 R08: 1fe22000019ee77f R09: ff1100000f88ae58
[   61.045491][ T1815] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.045681][ T1815] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.045875][ T1815] FS:  00007f08d5ef1840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   61.046103][ T1815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.046266][ T1815] CR2: 00007f08d61c11a0 CR3: 000000000fabf002 CR4: 0000000000771ef0
[   61.046602][ T1815] PKRU: 55555554
[   61.046699][ T1815] Call Trace:
[   61.046795][ T1815]  <TASK>
[   61.046863][ T1815]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.047032][ T1815]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.047190][ T1815]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.047318][ T1815]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.047457][ T1815]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.047617][ T1815]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.047748][ T1815]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   61.047881][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.048012][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.048145][ T1815]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.048277][ T1815]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.048420][ T1815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.048572][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.048699][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.048831][ T1815]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.048958][ T1815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.049089][ T1815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.049217][ T1815]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   61.049356][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.049488][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.049615][ T1815]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.049740][ T1815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.049869][ T1815]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.050000][ T1815]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.050128][ T1815]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.050258][ T1815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.050396][ T1815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.050533][ T1815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.050660][ T1815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.050789][ T1815]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.050919][ T1815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.051052][ T1815]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.051184][ T1815]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.051312][ T1815]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.051451][ T1815]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.051580][ T1815]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.051708][ T1815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.051836][ T1815]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.051973][ T1815]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.052108][ T1815]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.052238][ T1815]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.052376][ T1815]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.052507][ T1815]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.052663][ T1815]  ? move_addr_to_kernel (net/socket.c:258)
[   61.052792][ T1815]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.052921][ T1815]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.053055][ T1815]  ___sys_sendmsg (net/socket.c:2752)
[   61.053184][ T1815]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.053349][ T1815]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.053495][ T1815]  __sys_sendmsg (net/socket.c:2784)
[   61.053623][ T1815]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.053750][ T1815]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.053912][ T1815]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.054049][ T1815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.054179][ T1815]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.054308][ T1815]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.054448][ T1815]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.054579][ T1815]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.054741][ T1815] RIP: 0033:0x7f08d612b08e
[   61.054879][ T1815] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.055341][ T1815] RSP: 002b:00007ffda67e3f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.055543][ T1815] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f08d612b08e
[   61.055735][ T1815] RDX: 0000000000000000 RSI: 00007ffda67e4000 RDI: 0000000000000005
[   61.055928][ T1815] RBP: 00007ffda67e3f60 R08: 0000000000000000 R09: 0000000000000000
[   61.056148][ T1815] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   61.056454][ T1815] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda67e46d0
| [   61.195744][ T1825] ------------[ cut here ]------------
| [   61.195998][ T1825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1825
| [   61.196437][ T1825] Modules linked in: netdevsim
| [   61.197085][ T1825] Tainted: [W]=WARN
[   61.197249][ T1825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.197528][ T1825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.197802][ T1825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.198568][ T1825] RSP: 0018:ffa00000045271b0 EFLAGS: 00010286
[   61.198843][ T1825] RAX: 00000000ffffffa6 RBX: ff1100000ed6fb40 RCX: 1ff40000008a4dfc
[   61.199164][ T1825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fbf0
[   61.199493][ T1825] RBP: ff11000007e31000 R08: 1fe2200001dadf7f R09: ff11000010cd8ba8
[   61.199827][ T1825] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.200160][ T1825] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.200504][ T1825] FS:  00007fd9858a8840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   61.200891][ T1825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.201171][ T1825] CR2: 00000000004a77b8 CR3: 000000000fbff003 CR4: 0000000000771ef0
[   61.201518][ T1825] PKRU: 55555554
[   61.201685][ T1825] Call Trace:
[   61.201850][ T1825]  <TASK>
[   61.201967][ T1825]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.202192][ T1825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.202432][ T1825]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.202657][ T1825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.202827][ T1825]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   61.203052][ T1825]  __dev_notify_flags (net/core/dev.c:9787)
[   61.203278][ T1825]  ? netif_change_name (net/core/dev.c:1495)
[   61.203522][ T1825]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   61.203801][ T1825]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   61.204029][ T1825]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   61.204258][ T1825]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   61.204497][ T1825]  ? __dev_get_by_name (net/core/dev.c:883)
[   61.204720][ T1825]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   61.204954][ T1825]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   61.205186][ T1825]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.205426][ T1825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.205649][ T1825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.205871][ T1825]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.206094][ T1825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.206319][ T1825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.206566][ T1825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.206793][ T1825]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.207016][ T1825]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.207239][ T1825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.207473][ T1825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.207693][ T1825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.207919][ T1825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.208146][ T1825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.208382][ T1825]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.208616][ T1825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.208841][ T1825]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.209069][ T1825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.209290][ T1825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.209531][ T1825]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.209754][ T1825]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.209976][ T1825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.210200][ T1825]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.210436][ T1825]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.210663][ T1825]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.210892][ T1825]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.211115][ T1825]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.211349][ T1825]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.211630][ T1825]  ? move_addr_to_kernel (net/socket.c:258)
[   61.211856][ T1825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.212083][ T1825]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   61.212311][ T1825]  ___sys_sendmsg (net/socket.c:2752)
[   61.212545][ T1825]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   61.212769][ T1825]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.213001][ T1825]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   61.213233][ T1825]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   61.213474][ T1825]  __sys_sendmsg (net/socket.c:2784)
[   61.213701][ T1825]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.213932][ T1825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.214155][ T1825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.214388][ T1825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.214616][ T1825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.214838][ T1825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.215067][ T1825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.215353][ T1825] RIP: 0033:0x7fd985ae208e
[   61.215589][ T1825] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.216402][ T1825] RSP: 002b:00007fff89943750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.216745][ T1825] RAX: ffffffffffffffda RBX: 00007fff89943f00 RCX: 00007fd985ae208e
[   61.217079][ T1825] RDX: 0000000000000000 RSI: 00007fff89943800 RDI: 0000000000000005
[   61.217421][ T1825] RBP: 00007fff89943760 R08: 0000000000000000 R09: 0000000000000000
[   61.217748][ T1825] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   61.218077][ T1825] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89943ed0
| [   61.262215][ T1826] ------------[ cut here ]------------
| [   61.262508][ T1826] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1826
| [   61.262793][ T1826] Modules linked in: netdevsim
| [   61.263226][ T1826] Tainted: [W]=WARN
[   61.263337][ T1826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.263522][ T1826] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.263704][ T1826] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.264193][ T1826] RSP: 0018:ffa0000004537020 EFLAGS: 00010286
[   61.264373][ T1826] RAX: 00000000ffffffa6 RBX: ff1100000ed6f6c0 RCX: 1ff40000008a6dca
[   61.264586][ T1826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f770
[   61.264796][ T1826] RBP: ff11000007e31000 R08: 1fe2200001dadeef R09: ff11000010cdae80
[   61.265013][ T1826] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   61.265217][ T1826] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.265435][ T1826] FS:  00007f1add185840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   61.265678][ T1826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.265851][ T1826] CR2: 0000000011f9a988 CR3: 000000000f7d7005 CR4: 0000000000771ef0
[   61.266058][ T1826] PKRU: 55555554
[   61.266161][ T1826] Call Trace:
[   61.266263][ T1826]  <TASK>
[   61.266341][ T1826]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.266492][ T1826]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.266602][ T1826]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.266743][ T1826]  __dev_notify_flags (net/core/dev.c:9787)
[   61.266885][ T1826]  ? netif_change_name (net/core/dev.c:1495)
[   61.267025][ T1826]  ? __dev_change_flags (net/core/dev.c:9752)
[   61.267165][ T1826]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   61.267300][ T1826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.267456][ T1826]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   61.267596][ T1826]  netif_change_flags (net/core/dev.c:9820)
[   61.267734][ T1826]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   61.267880][ T1826]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.268023][ T1826]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.268194][ T1826]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.268340][ T1826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.268485][ T1826]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.268623][ T1826]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.268760][ T1826]  ? __kernel_text_address (kernel/extable.c:79)
[   61.268898][ T1826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.269038][ T1826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.269174][ T1826]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.269315][ T1826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.269462][ T1826]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.269603][ T1826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.269739][ T1826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.269876][ T1826]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.270018][ T1826]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   61.270157][ T1826]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.270292][ T1826]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.270443][ T1826]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.270585][ T1826]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.270724][ T1826]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.270862][ T1826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.270998][ T1826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.271139][ T1826]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.271279][ T1826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.271429][ T1826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.271569][ T1826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.271710][ T1826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.271847][ T1826]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.271984][ T1826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.272123][ T1826]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.272260][ T1826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.272407][ T1826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.272542][ T1826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.272682][ T1826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.272822][ T1826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.272958][ T1826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.273099][ T1826]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.273236][ T1826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.273383][ T1826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.273527][ T1826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.273664][ T1826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.273804][ T1826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.273943][ T1826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.274080][ T1826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.274219][ T1826]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.274363][ T1826]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.274506][ T1826]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.274651][ T1826]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.274789][ T1826]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.274923][ T1826]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.275093][ T1826]  ? move_addr_to_kernel (net/socket.c:258)
[   61.275236][ T1826]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.275375][ T1826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.275520][ T1826]  ___sys_sendmsg (net/socket.c:2752)
[   61.275663][ T1826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.275838][ T1826]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.275988][ T1826]  __sys_sendmsg (net/socket.c:2784)
[   61.276126][ T1826]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.276261][ T1826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.276445][ T1826]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.276582][ T1826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.276720][ T1826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.276857][ T1826]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.277000][ T1826]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.277142][ T1826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.277313][ T1826] RIP: 0033:0x7f1add3bf08e
[   61.277472][ T1826] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.277962][ T1826] RSP: 002b:00007ffc3b1348a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.278173][ T1826] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1add3bf08e
[   61.278384][ T1826] RDX: 0000000000000000 RSI: 00007ffc3b134950 RDI: 0000000000000005
[   61.278592][ T1826] RBP: 00007ffc3b1348b0 R08: 0000000000000000 R09: 0000000000000000
[   61.278802][ T1826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   61.279008][ T1826] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3b135020
| [   61.365789][ T1828] ------------[ cut here ]------------
| [   61.365983][ T1828] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1828
| [   61.366274][ T1828] Modules linked in: netdevsim
| [   61.366726][ T1828] Tainted: [W]=WARN
[   61.366833][ T1828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.367009][ T1828] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.367194][ T1828] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.367717][ T1828] RSP: 0018:ffa00000045571b0 EFLAGS: 00010286
[   61.367904][ T1828] RAX: 00000000ffffffa6 RBX: ff11000004ec0f40 RCX: 1ff40000008aadfc
[   61.368117][ T1828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0ff0
[   61.368333][ T1828] RBP: ff11000009d1c000 R08: 1fe22000009d81ff R09: ff11000004d2aea8
[   61.368551][ T1828] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.368757][ T1828] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.368966][ T1828] FS:  00007f740bb9c840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   61.369214][ T1828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.369401][ T1828] CR2: 00000000004a77b8 CR3: 000000000dfd7001 CR4: 0000000000771ef0
[   61.369616][ T1828] PKRU: 55555554
[   61.369726][ T1828] Call Trace:
[   61.369832][ T1828]  <TASK>
[   61.369905][ T1828]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.370048][ T1828]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.370190][ T1828]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.370338][ T1828]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.370455][ T1828]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   61.370595][ T1828]  __dev_notify_flags (net/core/dev.c:9787)
[   61.370734][ T1828]  ? netif_change_name (net/core/dev.c:1495)
[   61.370875][ T1828]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   61.371051][ T1828]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   61.371192][ T1828]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   61.371339][ T1828]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   61.371483][ T1828]  ? __dev_get_by_name (net/core/dev.c:883)
[   61.371621][ T1828]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   61.371764][ T1828]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   61.371913][ T1828]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.372053][ T1828]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.372193][ T1828]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.372338][ T1828]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.372483][ T1828]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.372629][ T1828]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.372771][ T1828]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.372910][ T1828]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.373053][ T1828]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.373196][ T1828]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.373340][ T1828]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.373483][ T1828]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.373624][ T1828]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.373779][ T1828]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.373924][ T1828]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.374064][ T1828]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.374204][ T1828]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.374360][ T1828]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.374510][ T1828]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.374663][ T1828]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.374805][ T1828]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.374947][ T1828]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.375088][ T1828]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.375226][ T1828]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.375371][ T1828]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.375518][ T1828]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.375694][ T1828]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.375898][ T1828]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.376102][ T1828]  ? move_addr_to_kernel (net/socket.c:258)
[   61.376242][ T1828]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.376400][ T1828]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   61.376542][ T1828]  ___sys_sendmsg (net/socket.c:2752)
[   61.376683][ T1828]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   61.376821][ T1828]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.376964][ T1828]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   61.377107][ T1828]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   61.377253][ T1828]  __sys_sendmsg (net/socket.c:2784)
[   61.377411][ T1828]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.377555][ T1828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.377702][ T1828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.377844][ T1828]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.377984][ T1828]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.378125][ T1828]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.378265][ T1828]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.378451][ T1828] RIP: 0033:0x7f740bdd608e
[   61.378601][ T1828] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.379107][ T1828] RSP: 002b:00007ffd596fee20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.379316][ T1828] RAX: ffffffffffffffda RBX: 00007ffd596ff5d0 RCX: 00007f740bdd608e
[   61.379539][ T1828] RDX: 0000000000000000 RSI: 00007ffd596feed0 RDI: 0000000000000005
[   61.379749][ T1828] RBP: 00007ffd596fee30 R08: 0000000000000000 R09: 0000000000000000
[   61.379958][ T1828] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   61.380167][ T1828] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd596ff5a0
| [   61.420933][ T1829] ------------[ cut here ]------------
| [   61.421252][ T1829] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1829
| [   61.421759][ T1829] Modules linked in: netdevsim
| [   61.422558][ T1829] Tainted: [W]=WARN
[   61.422771][ T1829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.423090][ T1829] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.423456][ T1829] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.424252][ T1829] RSP: 0018:ffa0000004567020 EFLAGS: 00010286
[   61.424599][ T1829] RAX: 00000000ffffffa6 RBX: ff11000004ec0940 RCX: 1ff40000008acdca
[   61.424975][ T1829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec09f0
[   61.425354][ T1829] RBP: ff11000009d1c000 R08: 1fe22000009d813f R09: ff1100000f7c8b80
[   61.425733][ T1829] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   61.426099][ T1829] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.426499][ T1829] FS:  00007f09cda1f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   61.426925][ T1829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.427244][ T1829] CR2: 000000001d44e988 CR3: 0000000010c07002 CR4: 0000000000771ef0
[   61.427641][ T1829] PKRU: 55555554
[   61.427855][ T1829] Call Trace:
[   61.428066][ T1829]  <TASK>
[   61.428232][ T1829]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.428536][ T1829]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.428757][ T1829]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.429020][ T1829]  __dev_notify_flags (net/core/dev.c:9787)
[   61.429295][ T1829]  ? netif_change_name (net/core/dev.c:1495)
[   61.429595][ T1829]  ? __dev_change_flags (net/core/dev.c:9752)
[   61.429867][ T1829]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   61.430131][ T1829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.430427][ T1829]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   61.430694][ T1829]  netif_change_flags (net/core/dev.c:9820)
[   61.430965][ T1829]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   61.431239][ T1829]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.431528][ T1829]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.431846][ T1829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.432117][ T1829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.432404][ T1829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.432670][ T1829]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.432935][ T1829]  ? __kernel_text_address (kernel/extable.c:79)
[   61.433204][ T1829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.433496][ T1829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.433757][ T1829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.434030][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.434295][ T1829]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.434577][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.434839][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.435108][ T1829]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.435388][ T1829]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   61.435661][ T1829]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.435927][ T1829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.436202][ T1829]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.436501][ T1829]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.436773][ T1829]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.437048][ T1829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.437316][ T1829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.437617][ T1829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.437882][ T1829]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.438147][ T1829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.438464][ T1829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.438727][ T1829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.438992][ T1829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.439271][ T1829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.439564][ T1829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.439833][ T1829]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.440098][ T1829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.440386][ T1829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.440669][ T1829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.440936][ T1829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.441202][ T1829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.441508][ T1829]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.441775][ T1829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.442045][ T1829]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.442315][ T1829]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.442613][ T1829]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.442880][ T1829]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.443151][ T1829]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.443439][ T1829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.443716][ T1829]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.443985][ T1829]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.444251][ T1829]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.444549][ T1829]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.444824][ T1829]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.445095][ T1829]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.445433][ T1829]  ? move_addr_to_kernel (net/socket.c:258)
[   61.445705][ T1829]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.445969][ T1829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.446243][ T1829]  ___sys_sendmsg (net/socket.c:2752)
[   61.446531][ T1829]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.446858][ T1829]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.447150][ T1829]  __sys_sendmsg (net/socket.c:2784)
[   61.447442][ T1829]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.447714][ T1829]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.448051][ T1829]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.448343][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.448608][ T1829]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.448880][ T1829]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.449148][ T1829]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.449442][ T1829]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.449750][ T1829] RIP: 0033:0x7f09cdc5908e
[   61.450027][ T1829] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.450844][ T1829] RSP: 002b:00007ffeb62cd840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.451221][ T1829] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f09cdc5908e
[   61.451598][ T1829] RDX: 0000000000000000 RSI: 00007ffeb62cd8f0 RDI: 0000000000000005
[   61.451964][ T1829] RBP: 00007ffeb62cd850 R08: 0000000000000000 R09: 0000000000000000
[   61.452356][ T1829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf93
[   61.452739][ T1829] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb62cdfc0
| [   62.603136][ T1870] ------------[ cut here ]------------
| [   62.603840][ T1870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1870
| [   62.604360][ T1870] Modules linked in: netdevsim
| [   62.605142][ T1870] Tainted: [W]=WARN
[   62.605380][ T1870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.605715][ T1870] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.606059][ T1870] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.606910][ T1870] RSP: 0018:ffa00000046e7010 EFLAGS: 00010286
[   62.607251][ T1870] RAX: 00000000ffffffa6 RBX: ff110000093dec40 RCX: 1ff40000008dcdc8
[   62.607664][ T1870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093decf0
[   62.608044][ T1870] RBP: ff11000007e31000 R08: 1fe220000127bd9f R09: ff1100000f790b80
[   62.608436][ T1870] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   62.608811][ T1870] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000046e7100
[   62.609190][ T1870] FS:  00007f8711ce3840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   62.609654][ T1870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.609983][ T1870] CR2: 000000001f509988 CR3: 0000000010d27004 CR4: 0000000000771ef0
[   62.610390][ T1870] PKRU: 55555554
[   62.610618][ T1870] Call Trace:
[   62.610836][ T1870]  <TASK>
[   62.611012][ T1870]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.611292][ T1870]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.611538][ T1870]  netif_close_many (net/core/dev.c:1804)
[   62.611810][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.612090][ T1870]  ? __dev_close_many (net/core/dev.c:1781)
[   62.612378][ T1870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.612669][ T1870]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   62.612948][ T1870]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.613227][ T1870]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   62.613582][ T1870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.613863][ T1870]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.614188][ T1870]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.614495][ T1870]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.614770][ T1870]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   62.615098][ T1870]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   62.615387][ T1870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.615678][ T1870]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   62.615953][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.616227][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.616522][ T1870]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.616789][ T1870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.617056][ T1870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.617374][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.617645][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.617919][ T1870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.618189][ T1870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.618499][ T1870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.618783][ T1870]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   62.619058][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.619341][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.619619][ T1870]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.619889][ T1870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.620172][ T1870]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.620467][ T1870]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.620737][ T1870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.621012][ T1870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.621285][ T1870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.621589][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.621857][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.622137][ T1870]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.622432][ T1870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.622712][ T1870]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.622989][ T1870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.623250][ T1870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.623547][ T1870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.623820][ T1870]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.624088][ T1870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.624380][ T1870]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.624677][ T1870]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.624949][ T1870]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.625220][ T1870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.625518][ T1870]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.625788][ T1870]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.626101][ T1870]  ? move_addr_to_kernel (net/socket.c:258)
[   62.626389][ T1870]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.626670][ T1870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.626941][ T1870]  ___sys_sendmsg (net/socket.c:2752)
[   62.627205][ T1870]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.627554][ T1870]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.627843][ T1870]  __sys_sendmsg (net/socket.c:2784)
[   62.628112][ T1870]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.628395][ T1870]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.628722][ T1870]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.628989][ T1870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.629256][ T1870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.629551][ T1870]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.629822][ T1870]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.630092][ T1870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.630489][ T1870] RIP: 0033:0x7f8711f1d08e
[   62.630770][ T1870] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.631611][ T1870] RSP: 002b:00007ffcf9848a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.631988][ T1870] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8711f1d08e
[   62.632366][ T1870] RDX: 0000000000000000 RSI: 00007ffcf9848ae0 RDI: 0000000000000005
[   62.632786][ T1870] RBP: 00007ffcf9848a40 R08: 0000000000000000 R09: 0000000000000000
[   62.633155][ T1870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf94
[   62.633563][ T1870] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf98491b0
| [   62.639345][ T1870] ------------[ cut here ]------------
| [   62.639623][ T1870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1870
| [   62.640102][ T1870] Modules linked in: netdevsim
| [   62.640853][ T1870] Tainted: [W]=WARN
[   62.641058][ T1870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.641515][ T1870] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.641999][ T1870] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.642957][ T1870] RSP: 0018:ffa00000046e7190 EFLAGS: 00010286
[   62.643377][ T1870] RAX: 00000000ffffffa6 RBX: ff110000093de1c0 RCX: 1ff40000008dcdf8
[   62.643833][ T1870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093de270
[   62.644283][ T1870] RBP: ff11000007e31000 R08: 1fe220000127bc4f R09: ff1100000f790b58
[   62.644766][ T1870] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.645212][ T1870] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.645682][ T1870] FS:  00007f8711ce3840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   62.646218][ T1870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.646640][ T1870] CR2: 000000001f509988 CR3: 0000000010d27004 CR4: 0000000000771ef0
[   62.647082][ T1870] PKRU: 55555554
[   62.647391][ T1870] Call Trace:
[   62.647703][ T1870]  <TASK>
[   62.647976][ T1870]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.648399][ T1870]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.648781][ T1870]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.649114][ T1870]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.649482][ T1870]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   62.649871][ T1870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.650209][ T1870]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   62.650580][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.650928][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.651272][ T1870]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.651646][ T1870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.651992][ T1870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.652392][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.652745][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.653098][ T1870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.653471][ T1870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.653812][ T1870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.654164][ T1870]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   62.654534][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.654874][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.655224][ T1870]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.655607][ T1870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.655951][ T1870]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.656297][ T1870]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.656663][ T1870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.657012][ T1870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.657369][ T1870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.657721][ T1870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.658062][ T1870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.658435][ T1870]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.658779][ T1870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.659133][ T1870]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.659514][ T1870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.659862][ T1870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.660210][ T1870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.660593][ T1870]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.660936][ T1870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.661294][ T1870]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.661687][ T1870]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.661943][ T1870]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.662204][ T1870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.662486][ T1870]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.662754][ T1870]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.663062][ T1870]  ? move_addr_to_kernel (net/socket.c:258)
[   62.663322][ T1870]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.663605][ T1870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.663862][ T1870]  ___sys_sendmsg (net/socket.c:2752)
[   62.664112][ T1870]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.664444][ T1870]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.664728][ T1870]  __sys_sendmsg (net/socket.c:2784)
[   62.664979][ T1870]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.665226][ T1870]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.665559][ T1870]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.665814][ T1870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.666076][ T1870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.666348][ T1870]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.666608][ T1870]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.666866][ T1870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.667163][ T1870] RIP: 0033:0x7f8711f1d08e
[   62.667454][ T1870] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.668220][ T1870] RSP: 002b:00007ffcf9848a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.668602][ T1870] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8711f1d08e
[   62.668957][ T1870] RDX: 0000000000000000 RSI: 00007ffcf9848ae0 RDI: 0000000000000005
[   62.669311][ T1870] RBP: 00007ffcf9848a40 R08: 0000000000000000 R09: 0000000000000000
[   62.669689][ T1870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf94
[   62.670040][ T1870] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf98491b0
| [   62.724983][ T1871] ------------[ cut here ]------------
| [   62.725165][ T1871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1871
| [   62.725459][ T1871] Modules linked in: netdevsim
| [   62.725890][ T1871] Tainted: [W]=WARN
[   62.725994][ T1871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.726168][ T1871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.726355][ T1871] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.726854][ T1871] RSP: 0018:ffa00000046e7010 EFLAGS: 00010286
[   62.727036][ T1871] RAX: 00000000ffffffa6 RBX: ff1100000ed6fb40 RCX: 1ff40000008dcdc8
[   62.727242][ T1871] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fbf0
[   62.727464][ T1871] RBP: ff11000009d1c000 R08: 1fe2200001dadf7f R09: ff1100000f792e80
[   62.727670][ T1871] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   62.727881][ T1871] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000046e7100
[   62.728094][ T1871] FS:  00007fde28cf9840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   62.728346][ T1871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.728524][ T1871] CR2: 00000000060bd988 CR3: 0000000010d2f005 CR4: 0000000000771ef0
[   62.728730][ T1871] PKRU: 55555554
[   62.728834][ T1871] Call Trace:
[   62.728938][ T1871]  <TASK>
[   62.729013][ T1871]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.729159][ T1871]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.729262][ T1871]  netif_close_many (net/core/dev.c:1804)
[   62.729413][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.729554][ T1871]  ? __dev_close_many (net/core/dev.c:1781)
[   62.729696][ T1871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.729839][ T1871]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   62.729987][ T1871]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.730128][ T1871]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   62.730305][ T1871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.730467][ T1871]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.730637][ T1871]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.730780][ T1871]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.730922][ T1871]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   62.731102][ T1871]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   62.731240][ T1871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.731476][ T1871]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   62.731680][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.731840][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.731982][ T1871]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.732123][ T1871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.732265][ T1871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.732490][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.732635][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.732783][ T1871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.732923][ T1871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.733067][ T1871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.733206][ T1871]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   62.733416][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.733558][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.733699][ T1871]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.733836][ T1871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.733978][ T1871]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.734117][ T1871]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.734260][ T1871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.734490][ T1871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.734634][ T1871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.734777][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.734920][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.735059][ T1871]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.735198][ T1871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.735444][ T1871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.735585][ T1871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.735724][ T1871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.735866][ T1871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.736005][ T1871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.736147][ T1871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.736287][ T1871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.736528][ T1871]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.736672][ T1871]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.736823][ T1871]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.736968][ T1871]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.737108][ T1871]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.737282][ T1871]  ? move_addr_to_kernel (net/socket.c:258)
[   62.737560][ T1871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.737703][ T1871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.737846][ T1871]  ___sys_sendmsg (net/socket.c:2752)
[   62.737981][ T1871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.738153][ T1871]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.738311][ T1871]  __sys_sendmsg (net/socket.c:2784)
[   62.738541][ T1871]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.738682][ T1871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.738857][ T1871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.739000][ T1871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.739141][ T1871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.739281][ T1871]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.739501][ T1871]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.739640][ T1871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.739814][ T1871] RIP: 0033:0x7fde28f3308e
[   62.739964][ T1871] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.740547][ T1871] RSP: 002b:00007ffd6e35b6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.740764][ T1871] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fde28f3308e
[   62.740972][ T1871] RDX: 0000000000000000 RSI: 00007ffd6e35b760 RDI: 0000000000000005
[   62.741179][ T1871] RBP: 00007ffd6e35b6c0 R08: 0000000000000000 R09: 0000000000000000
[   62.741437][ T1871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf94
[   62.741651][ T1871] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6e35be30
| [   62.752961][ T1871] ------------[ cut here ]------------
| [   62.753126][ T1871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1871
| [   62.753407][ T1871] Modules linked in: netdevsim
| [   62.753823][ T1871] Tainted: [W]=WARN
[   62.753923][ T1871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.754087][ T1871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.754267][ T1871] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.754740][ T1871] RSP: 0018:ffa00000046e7190 EFLAGS: 00010286
[   62.754907][ T1871] RAX: 00000000ffffffa6 RBX: ff11000004ec13c0 RCX: 1ff40000008dcdf8
[   62.755107][ T1871] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1470
[   62.755301][ T1871] RBP: ff11000009d1c000 R08: 1fe22000009d828f R09: ff1100000f792e58
[   62.755508][ T1871] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.755703][ T1871] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.755905][ T1871] FS:  00007fde28cf9840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   62.756149][ T1871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.756313][ T1871] CR2: 00000000060bd988 CR3: 0000000010d2f005 CR4: 0000000000771ef0
[   62.756523][ T1871] PKRU: 55555554
[   62.756622][ T1871] Call Trace:
[   62.756721][ T1871]  <TASK>
[   62.756790][ T1871]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.756961][ T1871]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.757136][ T1871]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.757267][ T1871]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.757410][ T1871]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   62.757573][ T1871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.757705][ T1871]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   62.757833][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.757967][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.758096][ T1871]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.758227][ T1871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.758363][ T1871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.758514][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.758642][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.758773][ T1871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.758905][ T1871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.759040][ T1871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.759171][ T1871]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   62.759305][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.759443][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.759571][ T1871]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.759700][ T1871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.759832][ T1871]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   62.759963][ T1871]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.760094][ T1871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.760223][ T1871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.760394][ T1871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.760529][ T1871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.760668][ T1871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.760797][ T1871]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.760928][ T1871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.761064][ T1871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.761196][ T1871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.761324][ T1871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.761464][ T1871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.761598][ T1871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.761728][ T1871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.761864][ T1871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.761998][ T1871]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.762134][ T1871]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.762267][ T1871]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.762413][ T1871]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.762546][ T1871]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.762711][ T1871]  ? move_addr_to_kernel (net/socket.c:258)
[   62.762845][ T1871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.762978][ T1871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.763110][ T1871]  ___sys_sendmsg (net/socket.c:2752)
[   62.763238][ T1871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.763407][ T1871]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.763549][ T1871]  __sys_sendmsg (net/socket.c:2784)
[   62.763681][ T1871]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.763808][ T1871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.763972][ T1871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.764105][ T1871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.764235][ T1871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.764376][ T1871]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.764515][ T1871]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.764644][ T1871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.764805][ T1871] RIP: 0033:0x7fde28f3308e
[   62.764944][ T1871] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.765422][ T1871] RSP: 002b:00007ffd6e35b6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.765620][ T1871] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fde28f3308e
[   62.765814][ T1871] RDX: 0000000000000000 RSI: 00007ffd6e35b760 RDI: 0000000000000005
[   62.766011][ T1871] RBP: 00007ffd6e35b6c0 R08: 0000000000000000 R09: 0000000000000000
[   62.766211][ T1871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf94
[   62.766421][ T1871] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6e35be30
| [   62.881109][ T1881] ------------[ cut here ]------------
| [   62.881312][ T1881] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1881
| [   62.881632][ T1881] Modules linked in: netdevsim
| [   62.882083][ T1881] Tainted: [W]=WARN
[   62.882196][ T1881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.882408][ T1881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.882604][ T1881] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.883130][ T1881] RSP: 0018:ffa00000047671b0 EFLAGS: 00010286
[   62.883306][ T1881] RAX: 00000000ffffffa6 RBX: ff11000004ec0340 RCX: 1ff40000008ecdfc
[   62.883526][ T1881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec03f0
[   62.883736][ T1881] RBP: ff1100000fa51000 R08: 1fe22000009d807f R09: ff1100000ae6aea8
[   62.883956][ T1881] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.884168][ T1881] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.884382][ T1881] FS:  00007f7b13d21840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   62.884637][ T1881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.884831][ T1881] CR2: 00000000004a77b8 CR3: 000000000fadf002 CR4: 0000000000771ef0
[   62.885114][ T1881] PKRU: 55555554
[   62.885219][ T1881] Call Trace:
[   62.885334][ T1881]  <TASK>
[   62.885416][ T1881]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.885566][ T1881]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.885710][ T1881]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.885855][ T1881]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.885963][ T1881]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   62.886104][ T1881]  __dev_notify_flags (net/core/dev.c:9787)
[   62.886245][ T1881]  ? netif_change_name (net/core/dev.c:1495)
[   62.886495][ T1881]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.886672][ T1881]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   62.886817][ T1881]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   62.886958][ T1881]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   62.887099][ T1881]  ? __dev_get_by_name (net/core/dev.c:883)
[   62.887238][ T1881]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   62.887490][ T1881]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   62.887639][ T1881]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.887778][ T1881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.887920][ T1881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.888069][ T1881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.888210][ T1881]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.888466][ T1881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.888699][ T1881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.888844][ T1881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.888989][ T1881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.889127][ T1881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.889268][ T1881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.889575][ T1881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.889719][ T1881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.889909][ T1881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.890069][ T1881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.890209][ T1881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.890405][ T1881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.890548][ T1881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.890692][ T1881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.890834][ T1881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.890978][ T1881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.891126][ T1881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.891268][ T1881]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.891419][ T1881]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.891560][ T1881]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.891704][ T1881]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.891847][ T1881]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.891988][ T1881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.892164][ T1881]  ? move_addr_to_kernel (net/socket.c:258)
[   62.892305][ T1881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.892459][ T1881]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   62.892601][ T1881]  ___sys_sendmsg (net/socket.c:2752)
[   62.892739][ T1881]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   62.892881][ T1881]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.893024][ T1881]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   62.893169][ T1881]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   62.893312][ T1881]  __sys_sendmsg (net/socket.c:2784)
[   62.893472][ T1881]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.893615][ T1881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.893754][ T1881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.893894][ T1881]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.894045][ T1881]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.894186][ T1881]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.894324][ T1881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.894511][ T1881] RIP: 0033:0x7f7b13f5b08e
[   62.894657][ T1881] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.895153][ T1881] RSP: 002b:00007ffc4983af10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.895372][ T1881] RAX: ffffffffffffffda RBX: 00007ffc4983b6c0 RCX: 00007f7b13f5b08e
[   62.895586][ T1881] RDX: 0000000000000000 RSI: 00007ffc4983afc0 RDI: 0000000000000005
[   62.895794][ T1881] RBP: 00007ffc4983af20 R08: 0000000000000000 R09: 0000000000000000
[   62.896005][ T1881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf95
[   62.896213][ T1881] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4983b690
| [   62.932779][ T1882] ------------[ cut here ]------------
| [   62.932962][ T1882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1882
| [   62.933249][ T1882] Modules linked in: netdevsim
| [   62.933701][ T1882] Tainted: [W]=WARN
[   62.933807][ T1882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.933985][ T1882] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.934164][ T1882] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.934679][ T1882] RSP: 0018:ffa0000004777020 EFLAGS: 00010286
[   62.934859][ T1882] RAX: 00000000ffffffa6 RBX: ff1100000c195240 RCX: 1ff40000008eedca
[   62.935081][ T1882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1952f0
[   62.935286][ T1882] RBP: ff1100000fa51000 R08: 1fe2200001832a5f R09: ff1100000f8f5180
[   62.935507][ T1882] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   62.935720][ T1882] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.935930][ T1882] FS:  00007fbcaf9fa840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   62.936250][ T1882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.936524][ T1882] CR2: 000000002d636988 CR3: 000000000facf001 CR4: 0000000000771ef0
[   62.936833][ T1882] PKRU: 55555554
[   62.936966][ T1882] Call Trace:
[   62.937073][ T1882]  <TASK>
[   62.937145][ T1882]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.937287][ T1882]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.937482][ T1882]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.937682][ T1882]  __dev_notify_flags (net/core/dev.c:9787)
[   62.937885][ T1882]  ? netif_change_name (net/core/dev.c:1495)
[   62.938095][ T1882]  ? __dev_change_flags (net/core/dev.c:9752)
[   62.938296][ T1882]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   62.938476][ T1882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.938614][ T1882]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   62.938762][ T1882]  netif_change_flags (net/core/dev.c:9820)
[   62.938959][ T1882]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   62.939122][ T1882]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   62.939258][ T1882]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   62.939452][ T1882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.939601][ T1882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.939741][ T1882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.939880][ T1882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.940022][ T1882]  ? __kernel_text_address (kernel/extable.c:79)
[   62.940160][ T1882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.940300][ T1882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.940478][ T1882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.940621][ T1882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.940757][ T1882]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.940891][ T1882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.941030][ T1882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.941169][ T1882]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.941306][ T1882]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   62.941464][ T1882]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   62.941604][ T1882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.941742][ T1882]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   62.941883][ T1882]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   62.942025][ T1882]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.942165][ T1882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.942301][ T1882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.942447][ T1882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.942585][ T1882]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.942725][ T1882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.942864][ T1882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.943005][ T1882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.943145][ T1882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.943286][ T1882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.943456][ T1882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.943599][ T1882]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.943741][ T1882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.943878][ T1882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.944015][ T1882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.944158][ T1882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.944295][ T1882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.944447][ T1882]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.944593][ T1882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.944795][ T1882]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.944950][ T1882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.945089][ T1882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.945228][ T1882]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.945375][ T1882]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.945521][ T1882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.945664][ T1882]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.945805][ T1882]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.945945][ T1882]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.946084][ T1882]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.946223][ T1882]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.946367][ T1882]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.946544][ T1882]  ? move_addr_to_kernel (net/socket.c:258)
[   62.946683][ T1882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.946820][ T1882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.947025][ T1882]  ___sys_sendmsg (net/socket.c:2752)
[   62.947227][ T1882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.947511][ T1882]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.947724][ T1882]  __sys_sendmsg (net/socket.c:2784)
[   62.947870][ T1882]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.948012][ T1882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.948186][ T1882]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.948344][ T1882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.948499][ T1882]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.948637][ T1882]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.948776][ T1882]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.948917][ T1882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.949095][ T1882] RIP: 0033:0x7fbcafc3408e
[   62.949248][ T1882] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.949769][ T1882] RSP: 002b:00007ffd1e0ed660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.949988][ T1882] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbcafc3408e
[   62.950195][ T1882] RDX: 0000000000000000 RSI: 00007ffd1e0ed710 RDI: 0000000000000005
[   62.950466][ T1882] RBP: 00007ffd1e0ed670 R08: 0000000000000000 R09: 0000000000000000
[   62.950692][ T1882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf95
[   62.950900][ T1882] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1e0edde0
| [   63.036399][ T1884] ------------[ cut here ]------------
| [   63.036607][ T1884] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1884
| [   63.036917][ T1884] Modules linked in: netdevsim
| [   63.037397][ T1884] Tainted: [W]=WARN
[   63.037523][ T1884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.037713][ T1884] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.037901][ T1884] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.038413][ T1884] RSP: 0018:ffa00000047971b0 EFLAGS: 00010286
[   63.038597][ T1884] RAX: 00000000ffffffa6 RBX: ff1100000ed6e340 RCX: 1ff40000008f2dfc
[   63.038830][ T1884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6e3f0
[   63.039038][ T1884] RBP: ff1100000f7b9000 R08: 1fe2200001dadc7f R09: ff11000004d2aea8
[   63.039255][ T1884] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.039474][ T1884] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.039685][ T1884] FS:  00007f4cdfd49840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   63.039930][ T1884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.040113][ T1884] CR2: 00000000004a77b8 CR3: 000000000c50a004 CR4: 0000000000771ef0
[   63.040334][ T1884] PKRU: 55555554
[   63.040443][ T1884] Call Trace:
[   63.040549][ T1884]  <TASK>
[   63.040621][ T1884]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.040764][ T1884]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.040904][ T1884]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.041048][ T1884]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.041159][ T1884]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   63.041299][ T1884]  __dev_notify_flags (net/core/dev.c:9787)
[   63.041451][ T1884]  ? netif_change_name (net/core/dev.c:1495)
[   63.041597][ T1884]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.041771][ T1884]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   63.041913][ T1884]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   63.042056][ T1884]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   63.042193][ T1884]  ? __dev_get_by_name (net/core/dev.c:883)
[   63.042337][ T1884]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   63.042489][ T1884]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   63.042636][ T1884]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.042800][ T1884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.042999][ T1884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.043143][ T1884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.043282][ T1884]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.043434][ T1884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.043578][ T1884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.043733][ T1884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.043908][ T1884]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.044080][ T1884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.044219][ T1884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.044365][ T1884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.044547][ T1884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.044752][ T1884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.044928][ T1884]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.045077][ T1884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.045279][ T1884]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.045464][ T1884]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.045605][ T1884]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.045745][ T1884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.045883][ T1884]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.046021][ T1884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.046165][ T1884]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.046304][ T1884]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.046457][ T1884]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.046605][ T1884]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.046747][ T1884]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.046888][ T1884]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.047059][ T1884]  ? move_addr_to_kernel (net/socket.c:258)
[   63.047201][ T1884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.047347][ T1884]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   63.047493][ T1884]  ___sys_sendmsg (net/socket.c:2752)
[   63.047677][ T1884]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   63.047832][ T1884]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.047976][ T1884]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   63.048123][ T1884]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   63.048265][ T1884]  __sys_sendmsg (net/socket.c:2784)
[   63.048422][ T1884]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.051557][ T1884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.051759][ T1884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.051951][ T1884]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.052117][ T1884]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.052296][ T1884]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.052464][ T1884]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.052659][ T1884] RIP: 0033:0x7f4cdff8308e
[   63.052835][ T1884] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.053359][ T1884] RSP: 002b:00007ffd998bef80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.053584][ T1884] RAX: ffffffffffffffda RBX: 00007ffd998bf730 RCX: 00007f4cdff8308e
[   63.053806][ T1884] RDX: 0000000000000000 RSI: 00007ffd998bf030 RDI: 0000000000000005
[   63.054038][ T1884] RBP: 00007ffd998bef90 R08: 0000000000000000 R09: 0000000000000000
[   63.054254][ T1884] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf95
[   63.054481][ T1884] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd998bf700
| [   63.098285][ T1885] ------------[ cut here ]------------
| [   63.098563][ T1885] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1885
| [   63.099000][ T1885] Modules linked in: netdevsim
| [   63.099696][ T1885] Tainted: [W]=WARN
[   63.099864][ T1885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.100140][ T1885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.100439][ T1885] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.101211][ T1885] RSP: 0018:ffa00000047a7020 EFLAGS: 00010286
[   63.101507][ T1885] RAX: 00000000ffffffa6 RBX: ff1100000538c940 RCX: 1ff40000008f4dca
[   63.101831][ T1885] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538c9f0
[   63.102154][ T1885] RBP: ff1100000f7b9000 R08: 1fe2200000a7193f R09: ff1100000f7c8b80
[   63.102498][ T1885] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   63.102826][ T1885] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.103149][ T1885] FS:  00007f3ec7e99840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   63.103549][ T1885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.103826][ T1885] CR2: 0000000011a23988 CR3: 000000000f49c004 CR4: 0000000000771ef0
[   63.104155][ T1885] PKRU: 55555554
[   63.104317][ T1885] Call Trace:
[   63.104637][ T1885]  <TASK>
[   63.104753][ T1885]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.104975][ T1885]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.105142][ T1885]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.105540][ T1885]  __dev_notify_flags (net/core/dev.c:9787)
[   63.105874][ T1885]  ? netif_change_name (net/core/dev.c:1495)
[   63.106091][ T1885]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.106307][ T1885]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.106649][ T1885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.106869][ T1885]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.107093][ T1885]  netif_change_flags (net/core/dev.c:9820)
[   63.107311][ T1885]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.107663][ T1885]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.107884][ T1885]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.108152][ T1885]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.108679][ T1885]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.108905][ T1885]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.109120][ T1885]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.109365][ T1885]  ? __kernel_text_address (kernel/extable.c:79)
[   63.109593][ T1885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.109818][ T1885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.110033][ T1885]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.110248][ T1885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.110499][ T1885]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.110710][ T1885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.110925][ T1885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.111144][ T1885]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.111373][ T1885]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.111594][ T1885]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.111806][ T1885]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.112024][ T1885]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.112239][ T1885]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.112472][ T1885]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.112712][ T1885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.112949][ T1885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.113173][ T1885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.113397][ T1885]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.113611][ T1885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.113828][ T1885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.114040][ T1885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.114255][ T1885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.114489][ T1885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.114704][ T1885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.114915][ T1885]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.115132][ T1885]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.115361][ T1885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.115581][ T1885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.115798][ T1885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.116015][ T1885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.116234][ T1885]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.116458][ T1885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.116669][ T1885]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.116891][ T1885]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.117109][ T1885]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.117337][ T1885]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.117560][ T1885]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.117773][ T1885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.117988][ T1885]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.118222][ T1885]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.118453][ T1885]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.118671][ T1885]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.118894][ T1885]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.119106][ T1885]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.119373][ T1885]  ? move_addr_to_kernel (net/socket.c:258)
[   63.119599][ T1885]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.119815][ T1885]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.120033][ T1885]  ___sys_sendmsg (net/socket.c:2752)
[   63.120246][ T1885]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.120531][ T1885]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.120770][ T1885]  __sys_sendmsg (net/socket.c:2784)
[   63.120982][ T1885]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.121199][ T1885]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.121489][ T1885]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.121705][ T1885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.121919][ T1885]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.122133][ T1885]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.122352][ T1885]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.122564][ T1885]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.122833][ T1885] RIP: 0033:0x7f3ec80d308e
[   63.123062][ T1885] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.123856][ T1885] RSP: 002b:00007ffd51f28cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.124185][ T1885] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ec80d308e
[   63.124522][ T1885] RDX: 0000000000000000 RSI: 00007ffd51f28da0 RDI: 0000000000000005
[   63.124837][ T1885] RBP: 00007ffd51f28d00 R08: 0000000000000000 R09: 0000000000000000
[   63.125149][ T1885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf95
[   63.125500][ T1885] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd51f29470
| [   63.995564][ T1918] ------------[ cut here ]------------
| [   63.995753][ T1918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1918
| [   63.996033][ T1918] Modules linked in: netdevsim
| [   63.997045][ T1918] Tainted: [W]=WARN
[   63.997152][ T1918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.997331][ T1918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.997517][ T1918] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.998001][ T1918] RSP: 0018:ffa00000048c7010 EFLAGS: 00010286
[   63.998176][ T1918] RAX: 00000000ffffffa6 RBX: ff110000093dedc0 RCX: 1ff4000000918dc8
[   63.998385][ T1918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dee70
[   63.998597][ T1918] RBP: ff1100000fa51000 R08: 1fe220000127bdcf R09: ff1100000f69d180
[   63.998803][ T1918] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   63.999089][ T1918] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000048c7100
[   63.999365][ T1918] FS:  00007fb6c40e9840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   63.999630][ T1918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.999807][ T1918] CR2: 000000002a2b3988 CR3: 000000000f76c006 CR4: 0000000000771ef0
[   64.000033][ T1918] PKRU: 55555554
[   64.000193][ T1918] Call Trace:
[   64.000312][ T1918]  <TASK>
[   64.000426][ T1918]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.000639][ T1918]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.000796][ T1918]  netif_close_many (net/core/dev.c:1804)
[   64.001002][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.001218][ T1918]  ? __dev_close_many (net/core/dev.c:1781)
[   64.001457][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.001669][ T1918]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   64.001840][ T1918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.001977][ T1918]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   64.002150][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.002319][ T1918]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   64.002587][ T1918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   64.002794][ T1918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.003000][ T1918]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   64.003235][ T1918]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   64.003402][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.003618][ T1918]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   64.003792][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.003980][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.004205][ T1918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.004434][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.004640][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.004880][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.005031][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.005172][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.005313][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.005465][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.005607][ T1918]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   64.005748][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.005884][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.006021][ T1918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.006160][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.006300][ T1918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.006449][ T1918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.006587][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.006727][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.006865][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.007006][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.007142][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.007284][ T1918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.007438][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.007590][ T1918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.007731][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.007872][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.008011][ T1918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.008148][ T1918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.008297][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.008449][ T1918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.008593][ T1918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.008733][ T1918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.008873][ T1918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.009010][ T1918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.009147][ T1918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.009319][ T1918]  ? move_addr_to_kernel (net/socket.c:258)
[   64.009463][ T1918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.009601][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.009739][ T1918]  ___sys_sendmsg (net/socket.c:2752)
[   64.009875][ T1918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.010045][ T1918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.010197][ T1918]  __sys_sendmsg (net/socket.c:2784)
[   64.010339][ T1918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.010480][ T1918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.010654][ T1918]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.010790][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.010929][ T1918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.011065][ T1918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.011207][ T1918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.011349][ T1918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.011525][ T1918] RIP: 0033:0x7fb6c432308e
[   64.011671][ T1918] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.012163][ T1918] RSP: 002b:00007ffcca47bfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.012377][ T1918] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb6c432308e
[   64.012590][ T1918] RDX: 0000000000000000 RSI: 00007ffcca47c050 RDI: 0000000000000005
[   64.012793][ T1918] RBP: 00007ffcca47bfb0 R08: 0000000000000000 R09: 0000000000000000
[   64.013004][ T1918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.013209][ T1918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcca47c720
| [   64.017037][ T1918] ------------[ cut here ]------------
| [   64.017185][ T1918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1918
| [   64.017854][ T1918] Modules linked in: netdevsim
| [   64.018260][ T1918] Tainted: [W]=WARN
[   64.018367][ T1918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.018535][ T1918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.018710][ T1918] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.019174][ T1918] RSP: 0018:ffa00000048c7190 EFLAGS: 00010286
[   64.019348][ T1918] RAX: 00000000ffffffa6 RBX: ff1100000cf72040 RCX: 1ff4000000918df8
[   64.019548][ T1918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf720f0
[   64.019740][ T1918] RBP: ff1100000fa51000 R08: 1fe22000019ee41f R09: ff1100000f69d158
[   64.019932][ T1918] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   64.020125][ T1918] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.020323][ T1918] FS:  00007fb6c40e9840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   64.020653][ T1918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.020856][ T1918] CR2: 000000002a2b3988 CR3: 000000000f76c006 CR4: 0000000000771ef0
[   64.021053][ T1918] PKRU: 55555554
[   64.021151][ T1918] Call Trace:
[   64.021249][ T1918]  <TASK>
[   64.021317][ T1918]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.021499][ T1918]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   64.021661][ T1918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   64.021794][ T1918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.021922][ T1918]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   64.022084][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.022218][ T1918]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   64.022364][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.022499][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.022628][ T1918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.022757][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.022887][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.023043][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.023172][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.023299][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.023452][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.023580][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.023709][ T1918]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   64.023841][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.023972][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.024110][ T1918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.024241][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.024385][ T1918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.024521][ T1918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.024650][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.024785][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.024916][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.025048][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.025178][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.025307][ T1918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.025448][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.025583][ T1918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.025716][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.025852][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.025982][ T1918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.026111][ T1918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.026243][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.026380][ T1918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.026520][ T1918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.026649][ T1918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.026785][ T1918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.026919][ T1918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.027046][ T1918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.027211][ T1918]  ? move_addr_to_kernel (net/socket.c:258)
[   64.027343][ T1918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.027479][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.027609][ T1918]  ___sys_sendmsg (net/socket.c:2752)
[   64.027735][ T1918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.027899][ T1918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.028046][ T1918]  __sys_sendmsg (net/socket.c:2784)
[   64.028175][ T1918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.028304][ T1918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.028487][ T1918]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.028618][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.028751][ T1918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.028881][ T1918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.029010][ T1918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.029142][ T1918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.029302][ T1918] RIP: 0033:0x7fb6c432308e
[   64.029460][ T1918] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.029919][ T1918] RSP: 002b:00007ffcca47bfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.030118][ T1918] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb6c432308e
[   64.030310][ T1918] RDX: 0000000000000000 RSI: 00007ffcca47c050 RDI: 0000000000000005
[   64.030520][ T1918] RBP: 00007ffcca47bfb0 R08: 0000000000000000 R09: 0000000000000000
[   64.030716][ T1918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.030910][ T1918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcca47c720
| [   64.113203][ T1919] ------------[ cut here ]------------
| [   64.113485][ T1919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1919
| [   64.113923][ T1919] Modules linked in: netdevsim
| [   64.114622][ T1919] Tainted: [W]=WARN
[   64.114791][ T1919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.115067][ T1919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.115383][ T1919] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.116128][ T1919] RSP: 0018:ffa0000004697010 EFLAGS: 00010286
[   64.116370][ T1919] RAX: 00000000ffffffa6 RBX: ff11000009110c40 RCX: 1ff40000008d2dc8
[   64.116694][ T1919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009110cf0
[   64.117020][ T1919] RBP: ff1100000f7b9000 R08: 1fe220000122219f R09: ff1100000cc9d180
[   64.117354][ T1919] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   64.117677][ T1919] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004697100
[   64.117980][ T1919] FS:  00007fcf68fbf840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   64.118396][ T1919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.118668][ T1919] CR2: 00000000155f3988 CR3: 000000000fac6005 CR4: 0000000000771ef0
[   64.118995][ T1919] PKRU: 55555554
[   64.119157][ T1919] Call Trace:
[   64.119337][ T1919]  <TASK>
[   64.119462][ T1919]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.119680][ T1919]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.119842][ T1919]  netif_close_many (net/core/dev.c:1804)
[   64.120054][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.120263][ T1919]  ? __dev_close_many (net/core/dev.c:1781)
[   64.120503][ T1919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.120719][ T1919]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   64.120935][ T1919]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.121145][ T1919]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   64.121426][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.121640][ T1919]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   64.121903][ T1919]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   64.122107][ T1919]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.122292][ T1919]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   64.122560][ T1919]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   64.122772][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.122988][ T1919]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   64.123196][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.123421][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.123633][ T1919]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.123850][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.124059][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.124305][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.124535][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.124756][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.124972][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.125186][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.125432][ T1919]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   64.125660][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.125874][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.126093][ T1919]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.126304][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.126534][ T1919]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.126745][ T1919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.126956][ T1919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.127171][ T1919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.127392][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.127614][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.127825][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.128025][ T1919]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.128243][ T1919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.128474][ T1919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.128693][ T1919]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.128913][ T1919]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.129129][ T1919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.129352][ T1919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.129573][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.129787][ T1919]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.130003][ T1919]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.130216][ T1919]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.130462][ T1919]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.130680][ T1919]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.130895][ T1919]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.131173][ T1919]  ? move_addr_to_kernel (net/socket.c:258)
[   64.131402][ T1919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.131621][ T1919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.131841][ T1919]  ___sys_sendmsg (net/socket.c:2752)
[   64.132059][ T1919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.132338][ T1919]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.132581][ T1919]  __sys_sendmsg (net/socket.c:2784)
[   64.132794][ T1919]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.133005][ T1919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.133275][ T1919]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.133504][ T1919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.133721][ T1919]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.133915][ T1919]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.134125][ T1919]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.134381][ T1919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.134658][ T1919] RIP: 0033:0x7fcf691f908e
[   64.134886][ T1919] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.135664][ T1919] RSP: 002b:00007ffdea412830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.135989][ T1919] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcf691f908e
[   64.136305][ T1919] RDX: 0000000000000000 RSI: 00007ffdea4128e0 RDI: 0000000000000005
[   64.136640][ T1919] RBP: 00007ffdea412840 R08: 0000000000000000 R09: 0000000000000000
[   64.136934][ T1919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.137223][ T1919] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdea412fb0
| [   64.141716][ T1919] ------------[ cut here ]------------
| [   64.141916][ T1919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1919
| [   64.142230][ T1919] Modules linked in: netdevsim
| [   64.142763][ T1919] Tainted: [W]=WARN
[   64.142911][ T1919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.143120][ T1919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.143355][ T1919] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.143882][ T1919] RSP: 0018:ffa0000004697190 EFLAGS: 00010286
[   64.144093][ T1919] RAX: 00000000ffffffa6 RBX: ff11000004ec0940 RCX: 1ff40000008d2df8
[   64.144361][ T1919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec09f0
[   64.144613][ T1919] RBP: ff1100000f7b9000 R08: 1fe22000009d813f R09: ff1100000cc9d158
[   64.144854][ T1919] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   64.145097][ T1919] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.145366][ T1919] FS:  00007fcf68fbf840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   64.145661][ T1919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.145877][ T1919] CR2: 000055fbe875cd5c CR3: 000000000fac6001 CR4: 0000000000771ef0
[   64.146124][ T1919] PKRU: 55555554
[   64.146270][ T1919] Call Trace:
[   64.146441][ T1919]  <TASK>
[   64.146559][ T1919]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.146776][ T1919]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   64.146985][ T1919]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   64.147167][ T1919]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.147359][ T1919]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   64.147589][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.147774][ T1919]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   64.147959][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.148143][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.148340][ T1919]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.148554][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.148795][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.149075][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.149321][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.149603][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.149838][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.150080][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.150351][ T1919]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   64.150614][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.150860][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.151115][ T1919]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.151371][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.151596][ T1919]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.151842][ T1919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.152044][ T1919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.152225][ T1919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.152426][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.152618][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.152799][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.152985][ T1919]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.153181][ T1919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.153377][ T1919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.153569][ T1919]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.153747][ T1919]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.153927][ T1919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.154110][ T1919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.154285][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.154485][ T1919]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.154664][ T1919]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.154845][ T1919]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.155027][ T1919]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.155206][ T1919]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.155415][ T1919]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.155622][ T1919]  ? move_addr_to_kernel (net/socket.c:258)
[   64.155801][ T1919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.155981][ T1919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.156163][ T1919]  ___sys_sendmsg (net/socket.c:2752)
[   64.156353][ T1919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.156575][ T1919]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.156773][ T1919]  __sys_sendmsg (net/socket.c:2784)
[   64.156954][ T1919]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.157132][ T1919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.157360][ T1919]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.157547][ T1919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.157725][ T1919]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.157903][ T1919]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.158085][ T1919]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.158269][ T1919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.158503][ T1919] RIP: 0033:0x7fcf691f908e
[   64.158688][ T1919] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.159188][ T1919] RSP: 002b:00007ffdea412830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.159457][ T1919] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcf691f908e
[   64.159699][ T1919] RDX: 0000000000000000 RSI: 00007ffdea4128e0 RDI: 0000000000000005
[   64.159942][ T1919] RBP: 00007ffdea412840 R08: 0000000000000000 R09: 0000000000000000
[   64.160194][ T1919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.160465][ T1919] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdea412fb0
| [   64.275663][ T1929] ------------[ cut here ]------------
| [   64.275900][ T1929] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1929
| [   64.276234][ T1929] Modules linked in: netdevsim
| [   64.276819][ T1929] Tainted: [W]=WARN
[   64.276976][ T1929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.277200][ T1929] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.277464][ T1929] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.278012][ T1929] RSP: 0018:ffa00000048871b0 EFLAGS: 00010286
[   64.278237][ T1929] RAX: 00000000ffffffa6 RBX: ff1100000c195540 RCX: 1ff4000000910dfc
[   64.278516][ T1929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1955f0
[   64.278777][ T1929] RBP: ff1100000fb31000 R08: 1fe2200001832abf R09: ff11000010c1d1a8
[   64.279038][ T1929] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   64.279293][ T1929] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.279574][ T1929] FS:  00007fdd33cc0840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   64.279869][ T1929] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.280099][ T1929] CR2: 00000000004a77b8 CR3: 0000000010c58006 CR4: 0000000000771ef0
[   64.280373][ T1929] PKRU: 55555554
[   64.280534][ T1929] Call Trace:
[   64.280690][ T1929]  <TASK>
[   64.280812][ T1929]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.281005][ T1929]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.281197][ T1929]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.281406][ T1929]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.281572][ T1929]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   64.281763][ T1929]  __dev_notify_flags (net/core/dev.c:9787)
[   64.281955][ T1929]  ? netif_change_name (net/core/dev.c:1495)
[   64.282148][ T1929]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   64.282382][ T1929]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.282584][ T1929]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   64.282779][ T1929]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.282985][ T1929]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.283178][ T1929]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.283388][ T1929]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.283592][ T1929]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.283784][ T1929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.283973][ T1929]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.284165][ T1929]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.284370][ T1929]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.284564][ T1929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.284760][ T1929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.284952][ T1929]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.285143][ T1929]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.285348][ T1929]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.285549][ T1929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.285740][ T1929]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.285936][ T1929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.286126][ T1929]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.286319][ T1929]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.286527][ T1929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.286720][ T1929]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.286915][ T1929]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.287105][ T1929]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.287301][ T1929]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.287514][ T1929]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.287703][ T1929]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.287898][ T1929]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.288090][ T1929]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.288284][ T1929]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.288500][ T1929]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.288694][ T1929]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.288889][ T1929]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.289115][ T1929]  ? move_addr_to_kernel (net/socket.c:258)
[   64.289307][ T1929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.289531][ T1929]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   64.289724][ T1929]  ___sys_sendmsg (net/socket.c:2752)
[   64.289913][ T1929]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   64.290103][ T1929]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.290301][ T1929]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   64.290523][ T1929]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   64.290717][ T1929]  __sys_sendmsg (net/socket.c:2784)
[   64.290908][ T1929]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.291102][ T1929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.291292][ T1929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.291503][ T1929]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.291693][ T1929]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.291889][ T1929]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.292080][ T1929]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.292302][ T1929] RIP: 0033:0x7fdd33efa08e
[   64.292523][ T1929] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.293068][ T1929] RSP: 002b:00007ffdf72bdb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.293343][ T1929] RAX: ffffffffffffffda RBX: 00007ffdf72be2c0 RCX: 00007fdd33efa08e
[   64.293610][ T1929] RDX: 0000000000000000 RSI: 00007ffdf72bdbc0 RDI: 0000000000000005
[   64.293870][ T1929] RBP: 00007ffdf72bdb20 R08: 0000000000000000 R09: 0000000000000000
[   64.294133][ T1929] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.294405][ T1929] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf72be290
| [   64.330888][ T1930] ------------[ cut here ]------------
| [   64.331058][ T1930] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1930
| [   64.331774][ T1930] Modules linked in: netdevsim
| [   64.332205][ T1930] Tainted: [W]=WARN
[   64.332310][ T1930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.332571][ T1930] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.332754][ T1930] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.333236][ T1930] RSP: 0018:ffa0000004927020 EFLAGS: 00010286
[   64.333502][ T1930] RAX: 00000000ffffffa6 RBX: ff1100000c194340 RCX: 1ff4000000924dca
[   64.333704][ T1930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1943f0
[   64.333928][ T1930] RBP: ff1100000fb31000 R08: 1fe220000183287f R09: ff11000010c80b80
[   64.334130][ T1930] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   64.334344][ T1930] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.334559][ T1930] FS:  00007f3dcbbc7840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   64.334800][ T1930] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.334972][ T1930] CR2: 000000000e808988 CR3: 000000000f93e001 CR4: 0000000000771ef0
[   64.335175][ T1930] PKRU: 55555554
[   64.335277][ T1930] Call Trace:
[   64.335389][ T1930]  <TASK>
[   64.335467][ T1930]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.335607][ T1930]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.335710][ T1930]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.335851][ T1930]  __dev_notify_flags (net/core/dev.c:9787)
[   64.335989][ T1930]  ? netif_change_name (net/core/dev.c:1495)
[   64.336125][ T1930]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.336363][ T1930]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.336527][ T1930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.336664][ T1930]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   64.336802][ T1930]  netif_change_flags (net/core/dev.c:9820)
[   64.336938][ T1930]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.337075][ T1930]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.337211][ T1930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.337389][ T1930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.337535][ T1930]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.337670][ T1930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.337803][ T1930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.337938][ T1930]  ? __kernel_text_address (kernel/extable.c:79)
[   64.338074][ T1930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.338211][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.338352][ T1930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.338495][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.338631][ T1930]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.338766][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.338900][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.339033][ T1930]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.339168][ T1930]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   64.339304][ T1930]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.339453][ T1930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.339589][ T1930]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.339728][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.339867][ T1930]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.340007][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.340143][ T1930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.340278][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.340424][ T1930]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.340562][ T1930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.340701][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.340837][ T1930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.340977][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.341115][ T1930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.341252][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.341396][ T1930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.341538][ T1930]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.341673][ T1930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.341810][ T1930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.341946][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.342082][ T1930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.342221][ T1930]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.342364][ T1930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.342510][ T1930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.342652][ T1930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.342792][ T1930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.342932][ T1930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.343069][ T1930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.343206][ T1930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.343350][ T1930]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.343490][ T1930]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.343629][ T1930]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.343769][ T1930]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.343905][ T1930]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.344041][ T1930]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.344211][ T1930]  ? move_addr_to_kernel (net/socket.c:258)
[   64.344353][ T1930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.344493][ T1930]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.344636][ T1930]  ___sys_sendmsg (net/socket.c:2752)
[   64.344771][ T1930]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.344941][ T1930]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.345090][ T1930]  __sys_sendmsg (net/socket.c:2784)
[   64.345226][ T1930]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.345373][ T1930]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.345551][ T1930]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.345688][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.345826][ T1930]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.345962][ T1930]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.346099][ T1930]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.346237][ T1930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.346407][ T1930] RIP: 0033:0x7f3dcbe0108e
[   64.346557][ T1930] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.347039][ T1930] RSP: 002b:00007ffc27be0830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.347245][ T1930] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3dcbe0108e
[   64.347459][ T1930] RDX: 0000000000000000 RSI: 00007ffc27be08e0 RDI: 0000000000000005
[   64.347665][ T1930] RBP: 00007ffc27be0840 R08: 0000000000000000 R09: 0000000000000000
[   64.347867][ T1930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.348074][ T1930] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc27be0fb0
| [   64.390301][ T1931] ------------[ cut here ]------------
| [   64.390572][ T1931] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1931
| [   64.391015][ T1931] Modules linked in: netdevsim
| [   64.391698][ T1931] Tainted: [W]=WARN
[   64.391863][ T1931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.392131][ T1931] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.392431][ T1931] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.393200][ T1931] RSP: 0018:ffa00000049371b0 EFLAGS: 00010286
[   64.393487][ T1931] RAX: 00000000ffffffa6 RBX: ff1100000ed6f840 RCX: 1ff4000000926dfc
[   64.393811][ T1931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f8f0
[   64.394130][ T1931] RBP: ff11000005181000 R08: 1fe2200001dadf1f R09: ff11000010c82ea8
[   64.394470][ T1931] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   64.394791][ T1931] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.395116][ T1931] FS:  00007f42d1330840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   64.395510][ T1931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.395783][ T1931] CR2: 00000000004a77b8 CR3: 0000000010c58003 CR4: 0000000000771ef0
[   64.396110][ T1931] PKRU: 55555554
[   64.396276][ T1931] Call Trace:
[   64.396454][ T1931]  <TASK>
[   64.396569][ T1931]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.396790][ T1931]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.397010][ T1931]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.397230][ T1931]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.397414][ T1931]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   64.397631][ T1931]  __dev_notify_flags (net/core/dev.c:9787)
[   64.397852][ T1931]  ? netif_change_name (net/core/dev.c:1495)
[   64.398075][ T1931]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   64.398355][ T1931]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.398578][ T1931]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   64.398795][ T1931]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.399011][ T1931]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.399229][ T1931]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.399471][ T1931]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.399696][ T1931]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.399916][ T1931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.400134][ T1931]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.400364][ T1931]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.400583][ T1931]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.400804][ T1931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.401029][ T1931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.401246][ T1931]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.401469][ T1931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.401685][ T1931]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.401900][ T1931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.402119][ T1931]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.402350][ T1931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.402577][ T1931]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.402796][ T1931]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.403009][ T1931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.403223][ T1931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.403462][ T1931]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.403697][ T1931]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.403917][ T1931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.404139][ T1931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.404361][ T1931]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.404587][ T1931]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.404808][ T1931]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.405026][ T1931]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.405246][ T1931]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.405481][ T1931]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.405696][ T1931]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.405963][ T1931]  ? move_addr_to_kernel (net/socket.c:258)
[   64.406180][ T1931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.406407][ T1931]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   64.406628][ T1931]  ___sys_sendmsg (net/socket.c:2752)
[   64.406842][ T1931]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   64.407057][ T1931]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.407283][ T1931]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   64.407520][ T1931]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   64.407742][ T1931]  __sys_sendmsg (net/socket.c:2784)
[   64.407958][ T1931]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.408183][ T1931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.408406][ T1931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.408631][ T1931]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.408851][ T1931]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.409068][ T1931]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.409291][ T1931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.409575][ T1931] RIP: 0033:0x7f42d156a08e
[   64.409806][ T1931] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.410587][ T1931] RSP: 002b:00007fffb2602260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.410920][ T1931] RAX: ffffffffffffffda RBX: 00007fffb2602a10 RCX: 00007f42d156a08e
[   64.411244][ T1931] RDX: 0000000000000000 RSI: 00007fffb2602310 RDI: 0000000000000005
[   64.411576][ T1931] RBP: 00007fffb2602270 R08: 0000000000000000 R09: 0000000000000000
[   64.411897][ T1931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.412220][ T1931] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb26029e0
| [   64.453346][ T1932] ------------[ cut here ]------------
| [   64.453567][ T1932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1932
| [   64.453898][ T1932] Modules linked in: netdevsim
| [   64.454541][ T1932] Tainted: [W]=WARN
[   64.454784][ T1932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.455101][ T1932] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.455452][ T1932] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.456065][ T1932] RSP: 0018:ffa0000004947020 EFLAGS: 00010286
[   64.456358][ T1932] RAX: 00000000ffffffa6 RBX: ff1100000538c7c0 RCX: 1ff4000000928dca
[   64.456683][ T1932] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538c870
[   64.456994][ T1932] RBP: ff11000005181000 R08: 1fe2200000a7190f R09: ff11000010c85180
[   64.457303][ T1932] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   64.457600][ T1932] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.457851][ T1932] FS:  00007fca98c3a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   64.458145][ T1932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.458379][ T1932] CR2: 000000000f92c988 CR3: 000000000ed5f005 CR4: 0000000000771ef0
[   64.458657][ T1932] PKRU: 55555554
[   64.458811][ T1932] Call Trace:
[   64.458961][ T1932]  <TASK>
[   64.459081][ T1932]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.459271][ T1932]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.459449][ T1932]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.459636][ T1932]  __dev_notify_flags (net/core/dev.c:9787)
[   64.459821][ T1932]  ? netif_change_name (net/core/dev.c:1495)
[   64.460002][ T1932]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.460188][ T1932]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.460381][ T1932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.460577][ T1932]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   64.460768][ T1932]  netif_change_flags (net/core/dev.c:9820)
[   64.460958][ T1932]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.461147][ T1932]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.461345][ T1932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.461576][ T1932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.461764][ T1932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.461955][ T1932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.462143][ T1932]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.462342][ T1932]  ? __kernel_text_address (kernel/extable.c:79)
[   64.462539][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.462726][ T1932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.462911][ T1932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.463097][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.463283][ T1932]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.463490][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.463676][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.463859][ T1932]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.464043][ T1932]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   64.464228][ T1932]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.464434][ T1932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.464622][ T1932]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.464811][ T1932]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.465002][ T1932]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.465190][ T1932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.465388][ T1932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.465587][ T1932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.465773][ T1932]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.465960][ T1932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.466152][ T1932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.466354][ T1932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.466554][ T1932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.466743][ T1932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.466929][ T1932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.467114][ T1932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.467299][ T1932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.467505][ T1932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.467692][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.467888][ T1932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.468072][ T1932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.468261][ T1932]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.468466][ T1932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.468655][ T1932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.468843][ T1932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.469031][ T1932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.469225][ T1932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.469438][ T1932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.469625][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.469811][ T1932]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.469996][ T1932]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.470182][ T1932]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.470388][ T1932]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.470583][ T1932]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.470770][ T1932]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.470987][ T1932]  ? move_addr_to_kernel (net/socket.c:258)
[   64.471174][ T1932]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.471373][ T1932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.471567][ T1932]  ___sys_sendmsg (net/socket.c:2752)
[   64.471749][ T1932]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.471971][ T1932]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.472170][ T1932]  __sys_sendmsg (net/socket.c:2784)
[   64.472368][ T1932]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.472559][ T1932]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.472778][ T1932]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.472962][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.473148][ T1932]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.473346][ T1932]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.473548][ T1932]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.473734][ T1932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.473950][ T1932] RIP: 0033:0x7fca98e7408e
[   64.474144][ T1932] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.474696][ T1932] RSP: 002b:00007ffc8dfe47e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.474955][ T1932] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fca98e7408e
[   64.475220][ T1932] RDX: 0000000000000000 RSI: 00007ffc8dfe4890 RDI: 0000000000000005
[   64.475493][ T1932] RBP: 00007ffc8dfe47f0 R08: 0000000000000000 R09: 0000000000000000
[   64.475745][ T1932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf96
[   64.476000][ T1932] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8dfe4f60
| [   64.617819][ T1935] ------------[ cut here ]------------
| [   64.618070][ T1935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1935
| [   64.619078][ T1935] Modules linked in: netdevsim
| [   64.619709][ T1935] Tainted: [W]=WARN
[   64.619875][ T1935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.620129][ T1935] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.620395][ T1935] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.620984][ T1935] RSP: 0018:ffa0000004977310 EFLAGS: 00010286
[   64.621229][ T1935] RAX: 00000000ffffffa6 RBX: ff1100000ed72dc0 RCX: 1ff400000092ee28
[   64.621540][ T1935] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed72e70
[   64.621844][ T1935] RBP: ff11000009e2a000 R08: 1fe2200001dae5cf R09: ff1100000f790bd0
[   64.622119][ T1935] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   64.622438][ T1935] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.622749][ T1935] FS:  00007ff166861840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   64.623089][ T1935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.623352][ T1935] CR2: 00007ff166e16004 CR3: 000000001079b001 CR4: 0000000000771ef0
[   64.623645][ T1935] PKRU: 55555554
[   64.623810][ T1935] Call Trace:
[   64.623982][ T1935]  <TASK>
[   64.624122][ T1935]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.624404][ T1935]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   64.624680][ T1935]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   64.624894][ T1935]  ? netdev_run_todo (net/core/dev.c:11703)
[   64.625102][ T1935]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   64.625312][ T1935]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   64.625540][ T1935]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   64.625747][ T1935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.625956][ T1935]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   64.626169][ T1935] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   64.626390][ T1935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.626603][ T1935] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   64.626853][ T1935] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   64.627109][ T1935] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   64.627363][ T1935]  devlink_reload (net/devlink/dev.c:462)
[   64.627574][ T1935]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   64.627781][ T1935]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   64.628031][ T1935]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   64.628238][ T1935]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   64.628501][ T1935]  ? __nla_validate_parse (lib/nlattr.c:635)
[   64.628710][ T1935]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   64.628912][ T1935]  ? __nla_parse (lib/nlattr.c:732)
[   64.629119][ T1935]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   64.629323][ T1935]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   64.629588][ T1935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.629793][ T1935]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   64.630005][ T1935]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.630214][ T1935]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   64.630441][ T1935]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   64.630682][ T1935]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.630923][ T1935]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   64.631124][ T1935]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   64.631341][ T1935]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   64.631566][ T1935]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.631777][ T1935]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   64.631985][ T1935]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.632193][ T1935]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   64.632427][ T1935]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.632643][ T1935]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.632846][ T1935]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.633052][ T1935]  genl_rcv (net/netlink/genetlink.c:1218)
[   64.633221][ T1935]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.633449][ T1935]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.633685][ T1935]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.633892][ T1935]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.634095][ T1935]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.634296][ T1935]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.634522][ T1935]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.634725][ T1935]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   64.634933][ T1935]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   64.635158][ T1935]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   64.635392][ T1935]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.635667][ T1935]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   64.635899][ T1935]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   64.636152][ T1935]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.636397][ T1935]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.636614][ T1935]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.636817][ T1935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.637058][ T1935] RIP: 0033:0x7ff166a9b08e
[   64.637271][ T1935] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.637969][ T1935] RSP: 002b:00007ffc0af4c140 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   64.638254][ T1935] RAX: ffffffffffffffda RBX: 000000003bcfd980 RCX: 00007ff166a9b08e
[   64.638549][ T1935] RDX: 0000000000000038 RSI: 000000003bcfdba0 RDI: 0000000000000005
[   64.638829][ T1935] RBP: 00007ffc0af4c150 R08: 00007ff166d4f980 R09: 000000000000000c
[   64.639110][ T1935] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   64.639406][ T1935] R13: 000000003bcfd980 R14: 0000000000000000 R15: 0000000000000003
| [   64.690521][ T1935] ------------[ cut here ]------------
| [   64.690787][ T1935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1935
| [   64.691162][ T1935] Modules linked in: netdevsim
| [   64.691790][ T1935] Tainted: [W]=WARN
[   64.691962][ T1935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.692213][ T1935] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.692581][ T1935] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.693256][ T1935] RSP: 0018:ffa0000004977268 EFLAGS: 00010286
[   64.693531][ T1935] RAX: 00000000ffffffa6 RBX: ff11000004f93cc0 RCX: 1ff400000092ee13
[   64.693816][ T1935] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f93d70
[   64.694102][ T1935] RBP: ff1100000c3fa000 R08: 1fe22000009f27af R09: ff1100000f790bd0
[   64.694403][ T1935] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   64.694709][ T1935] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3fa000
[   64.694998][ T1935] FS:  00007ff166861840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   64.695343][ T1935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.695607][ T1935] CR2: 00007ff166e16004 CR3: 000000001079b001 CR4: 0000000000771ef0
[   64.695898][ T1935] PKRU: 55555554
[   64.696067][ T1935] Call Trace:
[   64.696238][ T1935]  <TASK>
[   64.696388][ T1935]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.696613][ T1935]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.696801][ T1935]  register_netdevice (net/core/dev.c:11488)
[   64.697101][ T1935]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   64.697477][ T1935]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   64.697781][ T1935] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   64.698085][ T1935] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   64.698298][ T1935] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   64.698567][ T1935]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   64.698780][ T1935]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   64.699036][ T1935]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   64.699247][ T1935]  ? static_obj (kernel/locking/lockdep.c:858)
[   64.699441][ T1935]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.699657][ T1935]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   64.699910][ T1935] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   64.700167][ T1935]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   64.700443][ T1935]  devlink_reload (net/devlink/dev.c:475)
[   64.700678][ T1935]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   64.700890][ T1935]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   64.701141][ T1935]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   64.701361][ T1935]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   64.701617][ T1935]  ? __nla_validate_parse (lib/nlattr.c:635)
[   64.701827][ T1935]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   64.702040][ T1935]  ? __nla_parse (lib/nlattr.c:732)
[   64.702253][ T1935]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   64.702756][ T1935]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   64.703076][ T1935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.703420][ T1935]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   64.703642][ T1935]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.703856][ T1935]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   64.704071][ T1935]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   64.704443][ T1935]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.704689][ T1935]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   64.704895][ T1935]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   64.705212][ T1935]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   64.705441][ T1935]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.705665][ T1935]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   64.705876][ T1935]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.706192][ T1935]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   64.706424][ T1935]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.706636][ T1935]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.706840][ T1935]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.707161][ T1935]  genl_rcv (net/netlink/genetlink.c:1218)
[   64.707344][ T1935]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.707568][ T1935]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.707773][ T1935]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.708095][ T1935]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.708307][ T1935]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.708555][ T1935]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.708765][ T1935]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.708976][ T1935]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   64.709189][ T1935]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   64.709436][ T1935]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   64.709646][ T1935]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.710010][ T1935]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   64.710220][ T1935]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   64.710451][ T1935]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.710662][ T1935]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.710870][ T1935]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.711087][ T1935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.711351][ T1935] RIP: 0033:0x7ff166a9b08e
[   64.711578][ T1935] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.712345][ T1935] RSP: 002b:00007ffc0af4c140 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   64.712761][ T1935] RAX: ffffffffffffffda RBX: 000000003bcfd980 RCX: 00007ff166a9b08e
[   64.713171][ T1935] RDX: 0000000000000038 RSI: 000000003bcfdba0 RDI: 0000000000000005
[   64.713665][ T1935] RBP: 00007ffc0af4c150 R08: 00007ff166d4f980 R09: 000000000000000c
[   64.714070][ T1935] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   64.714376][ T1935] R13: 000000003bcfd980 R14: 0000000000000000 R15: 0000000000000003
| [   64.951364][ T1948] ------------[ cut here ]------------
| [   64.951608][ T1948] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1948
| [   64.951939][ T1948] Modules linked in: netdevsim
| [   64.952568][ T1948] Tainted: [W]=WARN
[   64.952807][ T1948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.953138][ T1948] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.953482][ T1948] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.954104][ T1948] RSP: 0018:ffa00000049c7010 EFLAGS: 00010286
[   64.954447][ T1948] RAX: 00000000ffffffa6 RBX: ff1100000538cc40 RCX: 1ff4000000938dc8
[   64.954768][ T1948] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538ccf0
[   64.955103][ T1948] RBP: ff1100000fb31000 R08: 1fe2200000a7199f R09: ff11000010735180
[   64.955364][ T1948] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   64.955629][ T1948] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000049c7100
[   64.955887][ T1948] FS:  00007fdc6738f840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   64.956189][ T1948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.956430][ T1948] CR2: 00000000020be988 CR3: 0000000010d7f005 CR4: 0000000000771ef0
[   64.956692][ T1948] PKRU: 55555554
[   64.956843][ T1948] Call Trace:
[   64.956995][ T1948]  <TASK>
[   64.957115][ T1948]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.957309][ T1948]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.957487][ T1948]  netif_close_many (net/core/dev.c:1804)
[   64.957675][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.957864][ T1948]  ? __dev_close_many (net/core/dev.c:1781)
[   64.958050][ T1948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.958238][ T1948]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   64.958452][ T1948]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.958640][ T1948]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   64.958861][ T1948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.959050][ T1948]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   64.959265][ T1948]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   64.959474][ T1948]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.959664][ T1948]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   64.959889][ T1948]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   64.960079][ T1948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.960268][ T1948]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   64.960473][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.960658][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.960851][ T1948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.961037][ T1948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.961220][ T1948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.961442][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.961628][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.961818][ T1948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.962002][ T1948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.962191][ T1948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.962392][ T1948]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   64.962592][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.962777][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.962965][ T1948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.963150][ T1948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.963353][ T1948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.963547][ T1948]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.963732][ T1948]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.963917][ T1948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.964101][ T1948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.964289][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.964491][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.964685][ T1948]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.964872][ T1948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.965059][ T1948]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.965248][ T1948]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.965453][ T1948]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.965642][ T1948]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.965828][ T1948]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.966017][ T1948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.966203][ T1948]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.966404][ T1948]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.966602][ T1948]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.966792][ T1948]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.966979][ T1948]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.967168][ T1948]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.967398][ T1948]  ? move_addr_to_kernel (net/socket.c:258)
[   64.967612][ T1948]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.967800][ T1948]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.967985][ T1948]  ___sys_sendmsg (net/socket.c:2752)
[   64.968169][ T1948]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.968423][ T1948]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.968623][ T1948]  __sys_sendmsg (net/socket.c:2784)
[   64.968811][ T1948]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.968998][ T1948]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.969225][ T1948]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.969431][ T1948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.969620][ T1948]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.969807][ T1948]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.969993][ T1948]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.970183][ T1948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.970420][ T1948] RIP: 0033:0x7fdc675c908e
[   64.970615][ T1948] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.971150][ T1948] RSP: 002b:00007ffd188727a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.971423][ T1948] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdc675c908e
[   64.971681][ T1948] RDX: 0000000000000000 RSI: 00007ffd18872850 RDI: 0000000000000005
[   64.971931][ T1948] RBP: 00007ffd188727b0 R08: 0000000000000000 R09: 0000000000000000
[   64.972181][ T1948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   64.972505][ T1948] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd18872f20
| [   64.976719][ T1948] ------------[ cut here ]------------
| [   64.976931][ T1948] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1948
| [   64.977319][ T1948] Modules linked in: netdevsim
| [   64.977955][ T1948] Tainted: [W]=WARN
[   64.978108][ T1948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.978373][ T1948] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.978639][ T1948] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.979354][ T1948] RSP: 0018:ffa00000049c7190 EFLAGS: 00010286
[   64.979615][ T1948] RAX: 00000000ffffffa6 RBX: ff11000004f92f40 RCX: 1ff4000000938df8
[   64.979913][ T1948] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f92ff0
[   64.980207][ T1948] RBP: ff1100000fb31000 R08: 1fe22000009f25ff R09: ff11000010735158
[   64.980511][ T1948] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   64.980800][ T1948] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.981092][ T1948] FS:  00007fdc6738f840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   64.981457][ T1948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.981706][ T1948] CR2: 000055fbe875cd5c CR3: 0000000010d7f004 CR4: 0000000000771ef0
[   64.982000][ T1948] PKRU: 55555554
[   64.982146][ T1948] Call Trace:
[   64.982295][ T1948]  <TASK>
[   64.982410][ T1948]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.982677][ T1948]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   64.982919][ T1948]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   64.983121][ T1948]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.983322][ T1948]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   64.983603][ T1948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.983811][ T1948]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   64.984018][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.984215][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.984426][ T1948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.984621][ T1948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.984813][ T1948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.985044][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.985240][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.985449][ T1948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.985640][ T1948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.985840][ T1948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.986043][ T1948]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   64.986245][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.986450][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.986645][ T1948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.986846][ T1948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.987054][ T1948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   64.987252][ T1948]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.987466][ T1948]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.987668][ T1948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.987864][ T1948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.988067][ T1948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.988259][ T1948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.988475][ T1948]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.988673][ T1948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.988868][ T1948]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.989068][ T1948]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.989265][ T1948]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.989480][ T1948]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.989682][ T1948]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.989883][ T1948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.990082][ T1948]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.990289][ T1948]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.990506][ T1948]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.990710][ T1948]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.990911][ T1948]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.991110][ T1948]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.991363][ T1948]  ? move_addr_to_kernel (net/socket.c:258)
[   64.991573][ T1948]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.991768][ T1948]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.991968][ T1948]  ___sys_sendmsg (net/socket.c:2752)
[   64.992165][ T1948]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.992429][ T1948]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.992655][ T1948]  __sys_sendmsg (net/socket.c:2784)
[   64.992853][ T1948]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.993052][ T1948]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.993301][ T1948]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.993517][ T1948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.993718][ T1948]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.993914][ T1948]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.994112][ T1948]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.994310][ T1948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.994567][ T1948] RIP: 0033:0x7fdc675c908e
[   64.994773][ T1948] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.995488][ T1948] RSP: 002b:00007ffd188727a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.995789][ T1948] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdc675c908e
[   64.996085][ T1948] RDX: 0000000000000000 RSI: 00007ffd18872850 RDI: 0000000000000005
[   64.996398][ T1948] RBP: 00007ffd188727b0 R08: 0000000000000000 R09: 0000000000000000
[   64.996704][ T1948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   64.997012][ T1948] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd18872f20
| [   65.046551][ T1949] ------------[ cut here ]------------
| [   65.046776][ T1949] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1949
| [   65.047101][ T1949] Modules linked in: netdevsim
| [   65.047637][ T1949] Tainted: [W]=WARN
[   65.047793][ T1949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.048014][ T1949] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.048256][ T1949] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.048803][ T1949] RSP: 0018:ffa00000049d7010 EFLAGS: 00010286
[   65.049025][ T1949] RAX: 00000000ffffffa6 RBX: ff1100000ed72c40 RCX: 1ff400000093adc8
[   65.049274][ T1949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed72cf0
[   65.049550][ T1949] RBP: ff11000005181000 R08: 1fe2200001dae59f R09: ff11000010730b80
[   65.049808][ T1949] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   65.050057][ T1949] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000049d7100
[   65.050315][ T1949] FS:  00007f570bf89840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   65.050621][ T1949] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.050839][ T1949] CR2: 0000000032f6a988 CR3: 0000000010d7b002 CR4: 0000000000771ef0
[   65.051088][ T1949] PKRU: 55555554
[   65.051239][ T1949] Call Trace:
[   65.051404][ T1949]  <TASK>
[   65.051529][ T1949]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.051715][ T1949]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.051877][ T1949]  netif_close_many (net/core/dev.c:1804)
[   65.052066][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.052252][ T1949]  ? __dev_close_many (net/core/dev.c:1781)
[   65.052454][ T1949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.052637][ T1949]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   65.052825][ T1949]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.053007][ T1949]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   65.053222][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.053424][ T1949]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   65.053636][ T1949]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   65.053819][ T1949]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.053999][ T1949]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   65.054225][ T1949]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   65.054495][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.054739][ T1949]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   65.054986][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.055228][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.055508][ T1949]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.055747][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.056021][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.056317][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.056648][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.056912][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.057090][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.057273][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.057474][ T1949]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   65.057662][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.057846][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.058029][ T1949]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.058212][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.058408][ T1949]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.058599][ T1949]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.058782][ T1949]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.058965][ T1949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.059160][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.059360][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.059549][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.059734][ T1949]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.059919][ T1949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.060105][ T1949]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.060296][ T1949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.060499][ T1949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.060694][ T1949]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.060879][ T1949]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.061063][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.061251][ T1949]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.061455][ T1949]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.061641][ T1949]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.061829][ T1949]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.062015][ T1949]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.062204][ T1949]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.062439][ T1949]  ? move_addr_to_kernel (net/socket.c:258)
[   65.062626][ T1949]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.062810][ T1949]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.062994][ T1949]  ___sys_sendmsg (net/socket.c:2752)
[   65.063175][ T1949]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.063424][ T1949]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.063621][ T1949]  __sys_sendmsg (net/socket.c:2784)
[   65.063803][ T1949]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.063985][ T1949]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.064218][ T1949]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.064428][ T1949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.064627][ T1949]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.064817][ T1949]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.065010][ T1949]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.065200][ T1949]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.065453][ T1949] RIP: 0033:0x7f570c1c308e
[   65.065649][ T1949] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.066192][ T1949] RSP: 002b:00007ffd89997470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.066482][ T1949] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f570c1c308e
[   65.066738][ T1949] RDX: 0000000000000000 RSI: 00007ffd89997520 RDI: 0000000000000005
[   65.066986][ T1949] RBP: 00007ffd89997480 R08: 0000000000000000 R09: 0000000000000000
[   65.067241][ T1949] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   65.067511][ T1949] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd89997bf0
| [   65.070949][ T1949] ------------[ cut here ]------------
| [   65.071140][ T1949] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1949
| [   65.071958][ T1949] Modules linked in: netdevsim
| [   65.072472][ T1949] Tainted: [W]=WARN
[   65.072632][ T1949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.072850][ T1949] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.073069][ T1949] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.073597][ T1949] RSP: 0018:ffa00000049d7190 EFLAGS: 00010286
[   65.073819][ T1949] RAX: 00000000ffffffa6 RBX: ff110000093dec40 RCX: 1ff400000093adf8
[   65.074055][ T1949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093decf0
[   65.074294][ T1949] RBP: ff11000005181000 R08: 1fe220000127bd9f R09: ff11000010730b58
[   65.074560][ T1949] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   65.074803][ T1949] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   65.075046][ T1949] FS:  00007f570bf89840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   65.075315][ T1949] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.075555][ T1949] CR2: 0000000032f6a988 CR3: 0000000010d7b002 CR4: 0000000000771ef0
[   65.075798][ T1949] PKRU: 55555554
[   65.075946][ T1949] Call Trace:
[   65.076093][ T1949]  <TASK>
[   65.076209][ T1949]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   65.076440][ T1949]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   65.076645][ T1949]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   65.076823][ T1949]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.077000][ T1949]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   65.077207][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.077402][ T1949]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   65.077590][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.077766][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.077944][ T1949]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.078125][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.078304][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.078520][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.078696][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.078875][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.079055][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.079233][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.079435][ T1949]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   65.079614][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.079789][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.079974][ T1949]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.080158][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.080351][ T1949]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.080545][ T1949]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.080722][ T1949]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.080898][ T1949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.081075][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.081259][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.081454][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.081636][ T1949]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.081812][ T1949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.081990][ T1949]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.082168][ T1949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.082357][ T1949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.082544][ T1949]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.082722][ T1949]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.082904][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.083084][ T1949]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.083264][ T1949]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.083468][ T1949]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.083695][ T1949]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.083881][ T1949]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.084060][ T1949]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.084271][ T1949]  ? move_addr_to_kernel (net/socket.c:258)
[   65.084474][ T1949]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.084649][ T1949]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.084827][ T1949]  ___sys_sendmsg (net/socket.c:2752)
[   65.085002][ T1949]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.085214][ T1949]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.085425][ T1949]  __sys_sendmsg (net/socket.c:2784)
[   65.085606][ T1949]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.085788][ T1949]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.085998][ T1949]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.086179][ T1949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.086393][ T1949]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.086582][ T1949]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.086763][ T1949]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.086944][ T1949]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.087154][ T1949] RIP: 0033:0x7f570c1c308e
[   65.087354][ T1949] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.087882][ T1949] RSP: 002b:00007ffd89997470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.088127][ T1949] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f570c1c308e
[   65.088388][ T1949] RDX: 0000000000000000 RSI: 00007ffd89997520 RDI: 0000000000000005
[   65.088638][ T1949] RBP: 00007ffd89997480 R08: 0000000000000000 R09: 0000000000000000
[   65.088884][ T1949] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   65.089126][ T1949] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd89997bf0
| [   65.212492][ T1959] ------------[ cut here ]------------
| [   65.212730][ T1959] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1959
| [   65.213060][ T1959] Modules linked in: netdevsim
| [   65.213612][ T1959] Tainted: [W]=WARN
[   65.213768][ T1959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.213994][ T1959] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.214229][ T1959] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.214789][ T1959] RSP: 0018:ffa00000049b71b0 EFLAGS: 00010286
[   65.215015][ T1959] RAX: 00000000ffffffa6 RBX: ff110000093dfe40 RCX: 1ff4000000936dfc
[   65.215272][ T1959] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dfef0
[   65.215548][ T1959] RBP: ff11000009c44000 R08: 1fe220000127bfdf R09: ff1100000c6baea8
[   65.215804][ T1959] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   65.216059][ T1959] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.216315][ T1959] FS:  00007f87ab7e0840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   65.216642][ T1959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.216866][ T1959] CR2: 00000000004a77b8 CR3: 0000000010ddf005 CR4: 0000000000771ef0
[   65.217122][ T1959] PKRU: 55555554
[   65.217274][ T1959] Call Trace:
[   65.217446][ T1959]  <TASK>
[   65.217567][ T1959]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.217756][ T1959]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.217953][ T1959]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.218141][ T1959]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.218296][ T1959]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   65.218504][ T1959]  __dev_notify_flags (net/core/dev.c:9787)
[   65.218695][ T1959]  ? netif_change_name (net/core/dev.c:1495)
[   65.218887][ T1959]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   65.219111][ T1959]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   65.219302][ T1959]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   65.219509][ T1959]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   65.219698][ T1959]  ? __dev_get_by_name (net/core/dev.c:883)
[   65.219902][ T1959]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   65.220101][ T1959]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   65.220294][ T1959]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.220502][ T1959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.220692][ T1959]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.220883][ T1959]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.221070][ T1959]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.221255][ T1959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.221465][ T1959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.221656][ T1959]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.221846][ T1959]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.222034][ T1959]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.222225][ T1959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.222433][ T1959]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.222624][ T1959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.222810][ T1959]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.223001][ T1959]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.223189][ T1959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.223394][ T1959]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.223592][ T1959]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.223782][ T1959]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.223971][ T1959]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.224162][ T1959]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.224362][ T1959]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.224564][ T1959]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.224760][ T1959]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.224951][ T1959]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.225146][ T1959]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.225352][ T1959]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.225551][ T1959]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.225774][ T1959]  ? move_addr_to_kernel (net/socket.c:258)
[   65.225968][ T1959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.226166][ T1959]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   65.226380][ T1959]  ___sys_sendmsg (net/socket.c:2752)
[   65.226582][ T1959]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   65.226780][ T1959]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.226977][ T1959]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   65.227172][ T1959]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   65.227377][ T1959]  __sys_sendmsg (net/socket.c:2784)
[   65.227571][ T1959]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.227763][ T1959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.227953][ T1959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.228149][ T1959]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.228353][ T1959]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.228551][ T1959]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.228742][ T1959]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.228967][ T1959] RIP: 0033:0x7f87aba1a08e
[   65.229164][ T1959] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.229717][ T1959] RSP: 002b:00007ffd7974db30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.229979][ T1959] RAX: ffffffffffffffda RBX: 00007ffd7974e2e0 RCX: 00007f87aba1a08e
[   65.230239][ T1959] RDX: 0000000000000000 RSI: 00007ffd7974dbe0 RDI: 0000000000000005
[   65.230525][ T1959] RBP: 00007ffd7974db40 R08: 0000000000000000 R09: 0000000000000000
[   65.230787][ T1959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   65.231045][ T1959] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7974e2b0
| [   65.280026][ T1960] ------------[ cut here ]------------
| [   65.280258][ T1960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1960
| [   65.280720][ T1960] Modules linked in: netdevsim
| [   65.281401][ T1960] Tainted: [W]=WARN
[   65.281577][ T1960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.281855][ T1960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.282146][ T1960] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.282928][ T1960] RSP: 0018:ffa0000004a47020 EFLAGS: 00010286
[   65.283193][ T1960] RAX: 00000000ffffffa6 RBX: ff1100000ed6f6c0 RCX: 1ff4000000948dca
[   65.283527][ T1960] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6f770
[   65.283849][ T1960] RBP: ff11000009c44000 R08: 1fe2200001dadeef R09: ff1100000df25180
[   65.284174][ T1960] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   65.284503][ T1960] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.284828][ T1960] FS:  00007f81eb784840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   65.285216][ T1960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.285502][ T1960] CR2: 000000001768d988 CR3: 000000000fa47005 CR4: 0000000000771ef0
[   65.285825][ T1960] PKRU: 55555554
[   65.285967][ T1960] Call Trace:
[   65.286123][ T1960]  <TASK>
[   65.286239][ T1960]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.286479][ T1960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.286648][ T1960]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.286867][ T1960]  __dev_notify_flags (net/core/dev.c:9787)
[   65.287094][ T1960]  ? netif_change_name (net/core/dev.c:1495)
[   65.287310][ T1960]  ? __dev_change_flags (net/core/dev.c:9752)
[   65.287660][ T1960]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   65.287876][ T1960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.288096][ T1960]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   65.288322][ T1960]  netif_change_flags (net/core/dev.c:9820)
[   65.288655][ T1960]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   65.288874][ T1960]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   65.289094][ T1960]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.289508][ T1960]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.290032][ T1960]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.290250][ T1960]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.290593][ T1960]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.290818][ T1960]  ? __kernel_text_address (kernel/extable.c:79)
[   65.291040][ T1960]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.291265][ T1960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.291495][ T1960]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.291711][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.291921][ T1960]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.292131][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.292350][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.292567][ T1960]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.292776][ T1960]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   65.292992][ T1960]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   65.293209][ T1960]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.293443][ T1960]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   65.293661][ T1960]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   65.293885][ T1960]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.294106][ T1960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.294319][ T1960]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.294549][ T1960]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.294769][ T1960]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.294992][ T1960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.295213][ T1960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.295443][ T1960]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.295661][ T1960]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.295880][ T1960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.296099][ T1960]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.296311][ T1960]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.296540][ T1960]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.296763][ T1960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.296983][ T1960]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.297203][ T1960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.297441][ T1960]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.297661][ T1960]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.297876][ T1960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.298094][ T1960]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.298320][ T1960]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.298551][ T1960]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.298771][ T1960]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.298994][ T1960]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.299219][ T1960]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.299467][ T1960]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.299698][ T1960]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.299933][ T1960]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.300175][ T1960]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.300429][ T1960]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.300660][ T1960]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.300951][ T1960]  ? move_addr_to_kernel (net/socket.c:258)
[   65.301191][ T1960]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.301434][ T1960]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.301671][ T1960]  ___sys_sendmsg (net/socket.c:2752)
[   65.301899][ T1960]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.302174][ T1960]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.302434][ T1960]  __sys_sendmsg (net/socket.c:2784)
[   65.302674][ T1960]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.302899][ T1960]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.303190][ T1960]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.303428][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.303657][ T1960]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.303884][ T1960]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.304111][ T1960]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.304341][ T1960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.304628][ T1960] RIP: 0033:0x7f81eb9be08e
[   65.304863][ T1960] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.305683][ T1960] RSP: 002b:00007ffd851901e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.306052][ T1960] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f81eb9be08e
[   65.306412][ T1960] RDX: 0000000000000000 RSI: 00007ffd85190290 RDI: 0000000000000005
[   65.306757][ T1960] RBP: 00007ffd851901f0 R08: 0000000000000000 R09: 0000000000000000
[   65.307090][ T1960] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   65.307436][ T1960] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd85190960
| [   65.412008][ T1962] ------------[ cut here ]------------
| [   65.412235][ T1962] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1962
| [   65.412597][ T1962] Modules linked in: netdevsim
| [   65.413137][ T1962] Tainted: [W]=WARN
[   65.413292][ T1962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.413541][ T1962] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.413783][ T1962] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.414343][ T1962] RSP: 0018:ffa0000004a571b0 EFLAGS: 00010286
[   65.414587][ T1962] RAX: 00000000ffffffa6 RBX: ff11000004ec0340 RCX: 1ff400000094adfc
[   65.414846][ T1962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec03f0
[   65.415105][ T1962] RBP: ff110000089ec000 R08: 1fe22000009d807f R09: ff1100000f922ea8
[   65.415378][ T1962] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   65.415646][ T1962] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.415906][ T1962] FS:  00007f83fd086840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   65.416206][ T1962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.416455][ T1962] CR2: 00000000004a77b8 CR3: 0000000010cbf001 CR4: 0000000000771ef0
[   65.416718][ T1962] PKRU: 55555554
[   65.416873][ T1962] Call Trace:
[   65.417033][ T1962]  <TASK>
[   65.417155][ T1962]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.417363][ T1962]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.417566][ T1962]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.417757][ T1962]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.417915][ T1962]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   65.418105][ T1962]  __dev_notify_flags (net/core/dev.c:9787)
[   65.418299][ T1962]  ? netif_change_name (net/core/dev.c:1495)
[   65.418515][ T1962]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   65.418743][ T1962]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   65.418934][ T1962]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   65.419125][ T1962]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   65.419319][ T1962]  ? __dev_get_by_name (net/core/dev.c:883)
[   65.419536][ T1962]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   65.419746][ T1962]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   65.419951][ T1962]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.420152][ T1962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.420355][ T1962]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.420560][ T1962]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.420750][ T1962]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.420941][ T1962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.421139][ T1962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.421348][ T1962]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.421549][ T1962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.421745][ T1962]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.421936][ T1962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.422125][ T1962]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.422317][ T1962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.422529][ T1962]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.422724][ T1962]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.422921][ T1962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.423114][ T1962]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.423308][ T1962]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.423518][ T1962]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.423714][ T1962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.423905][ T1962]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.424097][ T1962]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.424291][ T1962]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.424507][ T1962]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.424700][ T1962]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.424894][ T1962]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.425085][ T1962]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.425272][ T1962]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.425518][ T1962]  ? move_addr_to_kernel (net/socket.c:258)
[   65.425711][ T1962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.425909][ T1962]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   65.426103][ T1962]  ___sys_sendmsg (net/socket.c:2752)
[   65.426291][ T1962]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   65.426508][ T1962]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.426704][ T1962]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   65.426901][ T1962]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   65.427096][ T1962]  __sys_sendmsg (net/socket.c:2784)
[   65.427291][ T1962]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.427510][ T1962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.427705][ T1962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.427899][ T1962]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.428092][ T1962]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.428283][ T1962]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.428497][ T1962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.428724][ T1962] RIP: 0033:0x7f83fd2c008e
[   65.428927][ T1962] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.429494][ T1962] RSP: 002b:00007fffe251e710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.429755][ T1962] RAX: ffffffffffffffda RBX: 00007fffe251eec0 RCX: 00007f83fd2c008e
[   65.430017][ T1962] RDX: 0000000000000000 RSI: 00007fffe251e7c0 RDI: 0000000000000005
[   65.430274][ T1962] RBP: 00007fffe251e720 R08: 0000000000000000 R09: 0000000000000000
[   65.430570][ T1962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   65.430936][ T1962] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe251ee90
| [   65.482974][ T1963] ------------[ cut here ]------------
| [   65.483245][ T1963] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1963
| [   65.484519][ T1963] Modules linked in: netdevsim
| [   65.485230][ T1963] Tainted: [W]=WARN
[   65.485408][ T1963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.485702][ T1963] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.485992][ T1963] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.486756][ T1963] RSP: 0018:ffa0000004a67020 EFLAGS: 00010286
[   65.487024][ T1963] RAX: 00000000ffffffa6 RBX: ff1100000c194dc0 RCX: 1ff400000094cdca
[   65.487352][ T1963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c194e70
[   65.487680][ T1963] RBP: ff110000089ec000 R08: 1fe22000018329cf R09: ff1100000f925180
[   65.488002][ T1963] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   65.488324][ T1963] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.488661][ T1963] FS:  00007fcc5a4c9840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   65.489042][ T1963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.489316][ T1963] CR2: 000000003bcd5988 CR3: 0000000004cb9004 CR4: 0000000000771ef0
[   65.489658][ T1963] PKRU: 55555554
[   65.489822][ T1963] Call Trace:
[   65.489986][ T1963]  <TASK>
[   65.490097][ T1963]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   65.490313][ T1963]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.490544][ T1963]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.490707][ T1963]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.490915][ T1963]  __dev_notify_flags (net/core/dev.c:9787)
[   65.491135][ T1963]  ? netif_change_name (net/core/dev.c:1495)
[   65.491378][ T1963]  ? __dev_change_flags (net/core/dev.c:9752)
[   65.491600][ T1963]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   65.491813][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.492034][ T1963]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   65.492254][ T1963]  netif_change_flags (net/core/dev.c:9820)
[   65.492487][ T1963]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   65.492710][ T1963]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   65.492925][ T1963]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.493194][ T1963]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.493425][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.493642][ T1963]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.493870][ T1963]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.494092][ T1963]  ? __kernel_text_address (kernel/extable.c:79)
[   65.494317][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.494554][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.494763][ T1963]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.494976][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.495184][ T1963]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.495404][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.495622][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.495839][ T1963]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.496055][ T1963]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   65.496272][ T1963]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   65.496505][ T1963]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.496724][ T1963]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   65.496946][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   65.497169][ T1963]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.497391][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.497612][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.497825][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.498042][ T1963]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.498258][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.498491][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.498706][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.498924][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.499142][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.499371][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.499593][ T1963]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.499811][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.500026][ T1963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.500238][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.500469][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.500677][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.500896][ T1963]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.501112][ T1963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.501338][ T1963]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.501567][ T1963]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.501781][ T1963]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.502000][ T1963]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.502215][ T1963]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.502452][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.502678][ T1963]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.502899][ T1963]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.503115][ T1963]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.503343][ T1963]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.503566][ T1963]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.503783][ T1963]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.504049][ T1963]  ? move_addr_to_kernel (net/socket.c:258)
[   65.504272][ T1963]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.504510][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.504740][ T1963]  ___sys_sendmsg (net/socket.c:2752)
[   65.504958][ T1963]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.505230][ T1963]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.505487][ T1963]  __sys_sendmsg (net/socket.c:2784)
[   65.505710][ T1963]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.505932][ T1963]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.506207][ T1963]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.506432][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.506648][ T1963]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.506868][ T1963]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.507084][ T1963]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.507298][ T1963]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.507582][ T1963] RIP: 0033:0x7fcc5a70308e
[   65.507816][ T1963] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.508605][ T1963] RSP: 002b:00007ffdd15abfc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.508938][ T1963] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc5a70308e
[   65.509269][ T1963] RDX: 0000000000000000 RSI: 00007ffdd15ac070 RDI: 0000000000000005
[   65.509611][ T1963] RBP: 00007ffdd15abfd0 R08: 0000000000000000 R09: 0000000000000000
[   65.509938][ T1963] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf97
[   65.510272][ T1963] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd15ac740
| [   65.669605][ T1967] ------------[ cut here ]------------
| [   65.669865][ T1967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1967
| [   65.670231][ T1967] Modules linked in: netdevsim
| [   65.671014][ T1967] Tainted: [W]=WARN
[   65.671404][ T1967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.671734][ T1967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.672054][ T1967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.672708][ T1967] RSP: 0018:ffa0000004a87310 EFLAGS: 00010286
[   65.672949][ T1967] RAX: 00000000ffffffa6 RBX: ff1100000cf72c40 RCX: 1ff4000000950e28
[   65.673227][ T1967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf72cf0
[   65.673531][ T1967] RBP: ff1100000c3fa000 R08: 1fe22000019ee59f R09: ff11000010d951d0
[   65.673806][ T1967] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   65.674082][ T1967] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   65.674373][ T1967] FS:  00007f04a2c5d840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   65.674700][ T1967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.674940][ T1967] CR2: 00007f04a3212004 CR3: 0000000010d87003 CR4: 0000000000771ef0
[   65.675219][ T1967] PKRU: 55555554
[   65.675397][ T1967] Call Trace:
[   65.675568][ T1967]  <TASK>
[   65.675698][ T1967]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   65.675942][ T1967]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   65.676186][ T1967]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   65.676405][ T1967]  ? netdev_run_todo (net/core/dev.c:11703)
[   65.676617][ T1967]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   65.676826][ T1967]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   65.677029][ T1967]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   65.677233][ T1967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.677459][ T1967]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   65.677670][ T1967] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   65.677874][ T1967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.678081][ T1967] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   65.678340][ T1967] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   65.678590][ T1967] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   65.678832][ T1967]  devlink_reload (net/devlink/dev.c:462)
[   65.679038][ T1967]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   65.679244][ T1967]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   65.679505][ T1967]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   65.679709][ T1967]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   65.679947][ T1967]  ? __nla_validate_parse (lib/nlattr.c:635)
[   65.680153][ T1967]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   65.680369][ T1967]  ? __nla_parse (lib/nlattr.c:732)
[   65.680583][ T1967]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   65.680791][ T1967]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   65.681033][ T1967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.681237][ T1967]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   65.681462][ T1967]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.681669][ T1967]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   65.681872][ T1967]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   65.682115][ T1967]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.682370][ T1967]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   65.682604][ T1967]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   65.682806][ T1967]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   65.683008][ T1967]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.683216][ T1967]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   65.683440][ T1967]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.683642][ T1967]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   65.683848][ T1967]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.684056][ T1967]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.684258][ T1967]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.684480][ T1967]  genl_rcv (net/netlink/genetlink.c:1218)
[   65.684645][ T1967]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.684848][ T1967]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.685048][ T1967]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.685256][ T1967]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.685479][ T1967]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.685682][ T1967]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.685886][ T1967]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.686091][ T1967]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   65.686293][ T1967]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   65.686527][ T1967]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   65.686756][ T1967]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.687005][ T1967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   65.687209][ T1967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   65.687429][ T1967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.687632][ T1967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.687833][ T1967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.688037][ T1967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.688279][ T1967] RIP: 0033:0x7f04a2e9708e
[   65.688516][ T1967] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.689105][ T1967] RSP: 002b:00007ffdb0d567d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   65.689402][ T1967] RAX: ffffffffffffffda RBX: 00000000061c4980 RCX: 00007f04a2e9708e
[   65.689692][ T1967] RDX: 0000000000000038 RSI: 00000000061c4ba0 RDI: 0000000000000005
[   65.689971][ T1967] RBP: 00007ffdb0d567e0 R08: 00007f04a314b980 R09: 000000000000000c
[   65.690247][ T1967] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   65.690544][ T1967] R13: 00000000061c4980 R14: 0000000000000000 R15: 0000000000000003
| [   65.741074][ T1967] ------------[ cut here ]------------
| [   65.741287][ T1967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/1967
| [   65.741636][ T1967] Modules linked in: netdevsim
| [   65.742122][ T1967] Tainted: [W]=WARN
[   65.742241][ T1967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.742454][ T1967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.742659][ T1967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.743218][ T1967] RSP: 0018:ffa0000004a87268 EFLAGS: 00010286
[   65.743430][ T1967] RAX: 00000000ffffffa6 RBX: ff1100000cf72640 RCX: 1ff4000000950e13
[   65.743664][ T1967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf726f0
[   65.743897][ T1967] RBP: ff1100000ce7a000 R08: 1fe22000019ee4df R09: ff11000010d951d0
[   65.744131][ T1967] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   65.744370][ T1967] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce7a000
[   65.744615][ T1967] FS:  00007f04a2c5d840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   65.744888][ T1967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.745086][ T1967] CR2: 00005597be10b130 CR3: 0000000010d87001 CR4: 0000000000771ef0
[   65.745404][ T1967] PKRU: 55555554
[   65.745530][ T1967] Call Trace:
[   65.745646][ T1967]  <TASK>
[   65.745726][ T1967]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.745884][ T1967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.746016][ T1967]  register_netdevice (net/core/dev.c:11488)
[   65.746174][ T1967]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   65.746442][ T1967]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   65.746603][ T1967] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   65.746825][ T1967] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   65.746980][ T1967] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   65.747177][ T1967]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   65.747343][ T1967]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   65.747544][ T1967]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   65.747699][ T1967]  ? static_obj (kernel/locking/lockdep.c:858)
[   65.747822][ T1967]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.747983][ T1967]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   65.748181][ T1967] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   65.748382][ T1967]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   65.748584][ T1967]  devlink_reload (net/devlink/dev.c:475)
[   65.748744][ T1967]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   65.748901][ T1967]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   65.749097][ T1967]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   65.749252][ T1967]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   65.749457][ T1967]  ? __nla_validate_parse (lib/nlattr.c:635)
[   65.749614][ T1967]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   65.749772][ T1967]  ? __nla_parse (lib/nlattr.c:732)
[   65.749931][ T1967]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   65.750088][ T1967]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   65.750287][ T1967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.750458][ T1967]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   65.750614][ T1967]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.750772][ T1967]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   65.750927][ T1967]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   65.751119][ T1967]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.751311][ T1967]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   65.751475][ T1967]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   65.751630][ T1967]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   65.751786][ T1967]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.751946][ T1967]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   65.752103][ T1967]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.752258][ T1967]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   65.752424][ T1967]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.752584][ T1967]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.752737][ T1967]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.752893][ T1967]  genl_rcv (net/netlink/genetlink.c:1218)
[   65.753011][ T1967]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.753168][ T1967]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.753322][ T1967]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.753490][ T1967]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.753646][ T1967]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.753803][ T1967]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.753959][ T1967]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.754116][ T1967]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   65.754274][ T1967]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   65.754458][ T1967]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   65.754612][ T1967]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.754807][ T1967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   65.754961][ T1967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   65.755116][ T1967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.755270][ T1967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.755435][ T1967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.755593][ T1967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.755786][ T1967] RIP: 0033:0x7f04a2e9708e
[   65.755949][ T1967] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.756516][ T1967] RSP: 002b:00007ffdb0d567d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   65.756755][ T1967] RAX: ffffffffffffffda RBX: 00000000061c4980 RCX: 00007f04a2e9708e
[   65.756989][ T1967] RDX: 0000000000000038 RSI: 00000000061c4ba0 RDI: 0000000000000005
[   65.757221][ T1967] RBP: 00007ffdb0d567e0 R08: 00007f04a314b980 R09: 000000000000000c
[   65.757480][ T1967] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   65.757798][ T1967] R13: 00000000061c4980 R14: 0000000000000000 R15: 0000000000000003
| [   65.949022][ T1979] ------------[ cut here ]------------
| [   65.949252][ T1979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1979
| [   65.950120][ T1979] Modules linked in: netdevsim
| [   65.950662][ T1979] Tainted: [W]=WARN
[   65.950816][ T1979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.951039][ T1979] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.951269][ T1979] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.951809][ T1979] RSP: 0018:ffa0000004ad7010 EFLAGS: 00010286
[   65.952036][ T1979] RAX: 00000000ffffffa6 RBX: ff1100000549de40 RCX: 1ff400000095adc8
[   65.952285][ T1979] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000549def0
[   65.952557][ T1979] RBP: ff11000009c44000 R08: 1fe2200000a93bdf R09: ff11000010c85180
[   65.952807][ T1979] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   65.953055][ T1979] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004ad7100
[   65.953307][ T1979] FS:  00007fbf93447840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   65.953622][ T1979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.953845][ T1979] CR2: 0000000019493988 CR3: 000000000f9d7002 CR4: 0000000000771ef0
[   65.954104][ T1979] PKRU: 55555554
[   65.954257][ T1979] Call Trace:
[   65.954427][ T1979]  <TASK>
[   65.954549][ T1979]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.954739][ T1979]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.954895][ T1979]  netif_close_many (net/core/dev.c:1804)
[   65.955082][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.955270][ T1979]  ? __dev_close_many (net/core/dev.c:1781)
[   65.955478][ T1979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.955672][ T1979]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   65.955859][ T1979]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.956046][ T1979]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   65.956268][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.956474][ T1979]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   65.956691][ T1979]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   65.956876][ T1979]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.957063][ T1979]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   65.957283][ T1979]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   65.957489][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.957683][ T1979]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   65.957936][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.958209][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.958493][ T1979]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.958704][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.958888][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.959091][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.959274][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.959479][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.959661][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.959845][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.960031][ T1979]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   65.960223][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.960427][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.960634][ T1979]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.960821][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.961006][ T1979]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.961191][ T1979]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.961393][ T1979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.961594][ T1979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.961780][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.961964][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.962147][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.962347][ T1979]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.962540][ T1979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.962726][ T1979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.962913][ T1979]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.963099][ T1979]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.963285][ T1979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.963494][ T1979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.963679][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.963864][ T1979]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.964050][ T1979]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.964235][ T1979]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.964451][ T1979]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.964638][ T1979]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.964821][ T1979]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.965044][ T1979]  ? move_addr_to_kernel (net/socket.c:258)
[   65.965231][ T1979]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.965439][ T1979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.965627][ T1979]  ___sys_sendmsg (net/socket.c:2752)
[   65.965821][ T1979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.966042][ T1979]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.966239][ T1979]  __sys_sendmsg (net/socket.c:2784)
[   65.966447][ T1979]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.966631][ T1979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.966853][ T1979]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.967039][ T1979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.967228][ T1979]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.967435][ T1979]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.967624][ T1979]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.967811][ T1979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.968030][ T1979] RIP: 0033:0x7fbf9368108e
[   65.968226][ T1979] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.968783][ T1979] RSP: 002b:00007ffdc4ef0a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.969042][ T1979] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbf9368108e
[   65.969297][ T1979] RDX: 0000000000000000 RSI: 00007ffdc4ef0b20 RDI: 0000000000000005
[   65.969572][ T1979] RBP: 00007ffdc4ef0a80 R08: 0000000000000000 R09: 0000000000000000
[   65.969829][ T1979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf98
[   65.970085][ T1979] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc4ef11f0
| [   65.973917][ T1979] ------------[ cut here ]------------
| [   65.974102][ T1979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1979
| [   65.974560][ T1979] Modules linked in: netdevsim
| [   65.975287][ T1979] Tainted: [W]=WARN
[   65.975561][ T1979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.975848][ T1979] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.976152][ T1979] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.976769][ T1979] RSP: 0018:ffa0000004ad7190 EFLAGS: 00010286
[   65.977132][ T1979] RAX: 00000000ffffffa6 RBX: ff11000004ec1540 RCX: 1ff400000095adf8
[   65.977426][ T1979] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec15f0
[   65.977661][ T1979] RBP: ff11000009c44000 R08: 1fe22000009d82bf R09: ff11000010c85158
[   65.977898][ T1979] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   65.978141][ T1979] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   65.978402][ T1979] FS:  00007fbf93447840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   65.978704][ T1979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.978914][ T1979] CR2: 0000000019493988 CR3: 000000000f9d7002 CR4: 0000000000771ef0
[   65.979157][ T1979] PKRU: 55555554
[   65.979303][ T1979] Call Trace:
[   65.979470][ T1979]  <TASK>
[   65.979588][ T1979]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   65.979801][ T1979]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   65.980009][ T1979]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   65.980186][ T1979]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.980375][ T1979]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   65.980598][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.980777][ T1979]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   65.980954][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.981128][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.981305][ T1979]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.981503][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.981679][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.981879][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.982060][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.982238][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.982440][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.982622][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.982798][ T1979]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   65.982978][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.983152][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.983348][ T1979]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.983592][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.983820][ T1979]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   65.984050][ T1979]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.984259][ T1979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.984521][ T1979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.984763][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.985010][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.985258][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.985475][ T1979]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.985712][ T1979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.985959][ T1979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.986211][ T1979]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.986485][ T1979]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.986714][ T1979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.986903][ T1979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.987078][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.987255][ T1979]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.987451][ T1979]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.987632][ T1979]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.987811][ T1979]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.987988][ T1979]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.988163][ T1979]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.988386][ T1979]  ? move_addr_to_kernel (net/socket.c:258)
[   65.988571][ T1979]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.988753][ T1979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.988933][ T1979]  ___sys_sendmsg (net/socket.c:2752)
[   65.989110][ T1979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.989322][ T1979]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.989540][ T1979]  __sys_sendmsg (net/socket.c:2784)
[   65.989716][ T1979]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.989889][ T1979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.990100][ T1979]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.990275][ T1979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.990474][ T1979]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.990652][ T1979]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.990829][ T1979]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.991012][ T1979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.991219][ T1979] RIP: 0033:0x7fbf9368108e
[   65.991413][ T1979] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.991937][ T1979] RSP: 002b:00007ffdc4ef0a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.992275][ T1979] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbf9368108e
[   65.992545][ T1979] RDX: 0000000000000000 RSI: 00007ffdc4ef0b20 RDI: 0000000000000005
[   65.992867][ T1979] RBP: 00007ffdc4ef0a80 R08: 0000000000000000 R09: 0000000000000000
[   65.993126][ T1979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf98
[   65.993379][ T1979] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc4ef11f0
| [   66.062623][ T1980] ------------[ cut here ]------------
| [   66.062874][ T1980] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1980
| [   66.063302][ T1980] Modules linked in: netdevsim
| [   66.064014][ T1980] Tainted: [W]=WARN
[   66.064189][ T1980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.064487][ T1980] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.064780][ T1980] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.065591][ T1980] RSP: 0018:ffa0000004ae7010 EFLAGS: 00010286
[   66.065869][ T1980] RAX: 00000000ffffffa6 RBX: ff11000009111240 RCX: 1ff400000095cdc8
[   66.066194][ T1980] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091112f0
[   66.066530][ T1980] RBP: ff110000089ec000 R08: 1fe220000122225f R09: ff11000010c82e80
[   66.066851][ T1980] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   66.067169][ T1980] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004ae7100
[   66.067501][ T1980] FS:  00007f600b4aa840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   66.067876][ T1980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.068144][ T1980] CR2: 0000000035aca988 CR3: 000000000fa8f001 CR4: 0000000000771ef0
[   66.068489][ T1980] PKRU: 55555554
[   66.068659][ T1980] Call Trace:
[   66.068819][ T1980]  <TASK>
[   66.068929][ T1980]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.069146][ T1980]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.069312][ T1980]  netif_close_many (net/core/dev.c:1804)
[   66.069542][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.069757][ T1980]  ? __dev_close_many (net/core/dev.c:1781)
[   66.069974][ T1980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.070193][ T1980]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.070415][ T1980]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.070629][ T1980]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   66.070894][ T1980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.071107][ T1980]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.071377][ T1980]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.071594][ T1980]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.071812][ T1980]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.072083][ T1980]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.072296][ T1980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.072531][ T1980]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   66.072745][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.072956][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.073173][ T1980]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.073395][ T1980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.073615][ T1980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.073866][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.074078][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.074298][ T1980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.074520][ T1980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.074722][ T1980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.074945][ T1980]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   66.075172][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.075393][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.075605][ T1980]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.075816][ T1980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.076032][ T1980]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.076244][ T1980]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   66.076473][ T1980]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.076685][ T1980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.076898][ T1980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.077115][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.077337][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.077561][ T1980]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.077771][ T1980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.077989][ T1980]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.078209][ T1980]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.078439][ T1980]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.078653][ T1980]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.078864][ T1980]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.079083][ T1980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.079299][ T1980]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.079523][ T1980]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.079732][ T1980]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.079941][ T1980]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   66.080160][ T1980]  ? copy_msghdr_from_user (net/socket.c:2635)
[   66.080382][ T1980]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   66.080654][ T1980]  ? move_addr_to_kernel (net/socket.c:258)
[   66.080865][ T1980]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.081077][ T1980]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.081290][ T1980]  ___sys_sendmsg (net/socket.c:2752)
[   66.081510][ T1980]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   66.081778][ T1980]  ? copy_msghdr_from_user (net/socket.c:2603)
[   66.082019][ T1980]  __sys_sendmsg (net/socket.c:2784)
[   66.082232][ T1980]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   66.082453][ T1980]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   66.082720][ T1980]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.082931][ T1980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.083149][ T1980]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.083374][ T1980]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.083588][ T1980]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.083797][ T1980]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.084058][ T1980] RIP: 0033:0x7f600b6e408e
[   66.084279][ T1980] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.085056][ T1980] RSP: 002b:00007ffd270a0fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.085374][ T1980] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f600b6e408e
[   66.085689][ T1980] RDX: 0000000000000000 RSI: 00007ffd270a1050 RDI: 0000000000000005
[   66.086005][ T1980] RBP: 00007ffd270a0fb0 R08: 0000000000000000 R09: 0000000000000000
[   66.086324][ T1980] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf98
[   66.086649][ T1980] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd270a1720
| [   66.091776][ T1980] ------------[ cut here ]------------
| [   66.091991][ T1980] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1980
| [   66.092510][ T1980] Modules linked in: netdevsim
| [   66.093113][ T1980] Tainted: [W]=WARN
[   66.093423][ T1980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.093673][ T1980] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.093931][ T1980] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.094744][ T1980] RSP: 0018:ffa0000004ae7190 EFLAGS: 00010286
[   66.094992][ T1980] RAX: 00000000ffffffa6 RBX: ff1100000ee5e7c0 RCX: 1ff400000095cdf8
[   66.095282][ T1980] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ee5e870
[   66.095875][ T1980] RBP: ff110000089ec000 R08: 1fe2200001dcbd0f R09: ff11000010c82e58
[   66.096172][ T1980] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.096585][ T1980] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.096880][ T1980] FS:  00007f600b4aa840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   66.097236][ T1980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.097506][ T1980] CR2: 0000000035aca988 CR3: 000000000fa8f001 CR4: 0000000000771ef0
[   66.097816][ T1980] PKRU: 55555554
[   66.097968][ T1980] Call Trace:
[   66.098119][ T1980]  <TASK>
[   66.098224][ T1980]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.098505][ T1980]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.098766][ T1980]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.098975][ T1980]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.099176][ T1980]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.099442][ T1980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.099643][ T1980]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   66.099845][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.100048][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.100249][ T1980]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.100466][ T1980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.100668][ T1980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.100904][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.101105][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.101308][ T1980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.101521][ T1980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.101719][ T1980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.101925][ T1980]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   66.102139][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.102359][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.102574][ T1980]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.102777][ T1980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.102984][ T1980]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.103188][ T1980]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   66.103398][ T1980]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.103603][ T1980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.103801][ T1980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.104004][ T1980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.104206][ T1980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.104419][ T1980]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.104618][ T1980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.104818][ T1980]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.105023][ T1980]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.105218][ T1980]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.105437][ T1980]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.105648][ T1980]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.105849][ T1980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.106053][ T1980]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.106251][ T1980]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.106457][ T1980]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.106657][ T1980]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   66.106857][ T1980]  ? copy_msghdr_from_user (net/socket.c:2635)
[   66.107057][ T1980]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   66.107306][ T1980]  ? move_addr_to_kernel (net/socket.c:258)
[   66.107520][ T1980]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.107720][ T1980]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.107923][ T1980]  ___sys_sendmsg (net/socket.c:2752)
[   66.108120][ T1980]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   66.108381][ T1980]  ? copy_msghdr_from_user (net/socket.c:2603)
[   66.108611][ T1980]  __sys_sendmsg (net/socket.c:2784)
[   66.108815][ T1980]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   66.109011][ T1980]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   66.109260][ T1980]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.109485][ T1980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.109692][ T1980]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.109891][ T1980]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.110090][ T1980]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.110293][ T1980]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.110552][ T1980] RIP: 0033:0x7f600b6e408e
[   66.110763][ T1980] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.111494][ T1980] RSP: 002b:00007ffd270a0fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.111797][ T1980] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f600b6e408e
[   66.112098][ T1980] RDX: 0000000000000000 RSI: 00007ffd270a1050 RDI: 0000000000000005
[   66.112414][ T1980] RBP: 00007ffd270a0fb0 R08: 0000000000000000 R09: 0000000000000000
[   66.112727][ T1980] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf98
[   66.113033][ T1980] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd270a1720
| [   66.242813][ T1989] ------------[ cut here ]------------
| [   66.243048][ T1989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1989
| [   66.243869][ T1989] Modules linked in: netdevsim
| [   66.244426][ T1989] Tainted: [W]=WARN
[   66.244583][ T1989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.244809][ T1989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.245049][ T1989] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.245750][ T1989] RSP: 0018:ffa0000004b571b0 EFLAGS: 00010286
[   66.245977][ T1989] RAX: 00000000ffffffa6 RBX: ff1100000ee5fb40 RCX: 1ff400000096adfc
[   66.246240][ T1989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ee5fbf0
[   66.246584][ T1989] RBP: ff11000009da4000 R08: 1fe2200001dcbf7f R09: ff11000004d2aea8
[   66.246900][ T1989] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   66.247162][ T1989] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   66.247447][ T1989] FS:  00007f8667ea8840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   66.247848][ T1989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.248084][ T1989] CR2: 00000000004a77b8 CR3: 000000000faee004 CR4: 0000000000771ef0
[   66.248358][ T1989] PKRU: 55555554
[   66.248523][ T1989] Call Trace:
[   66.248737][ T1989]  <TASK>
[   66.248875][ T1989]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.249067][ T1989]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.249262][ T1989]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   66.249478][ T1989]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.249638][ T1989]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   66.249831][ T1989]  __dev_notify_flags (net/core/dev.c:9787)
[   66.250035][ T1989]  ? netif_change_name (net/core/dev.c:1495)
[   66.250234][ T1989]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   66.250582][ T1989]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   66.250801][ T1989]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   66.250993][ T1989]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   66.251182][ T1989]  ? __dev_get_by_name (net/core/dev.c:883)
[   66.251414][ T1989]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   66.251697][ T1989]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   66.251900][ T1989]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   66.252094][ T1989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.252284][ T1989]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.252522][ T1989]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.252765][ T1989]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.252961][ T1989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.253164][ T1989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.253370][ T1989]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.253581][ T1989]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   66.253773][ T1989]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.253963][ T1989]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.254151][ T1989]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.254358][ T1989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.254557][ T1989]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.254750][ T1989]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.254938][ T1989]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.255128][ T1989]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.255321][ T1989]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.255534][ T1989]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.255728][ T1989]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.255921][ T1989]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.256117][ T1989]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.256379][ T1989]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.256588][ T1989]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.256779][ T1989]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.256973][ T1989]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   66.257163][ T1989]  ? copy_msghdr_from_user (net/socket.c:2635)
[   66.257365][ T1989]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   66.257597][ T1989]  ? move_addr_to_kernel (net/socket.c:258)
[   66.257786][ T1989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.257975][ T1989]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   66.258166][ T1989]  ___sys_sendmsg (net/socket.c:2752)
[   66.258366][ T1989]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   66.258566][ T1989]  ? copy_msghdr_from_user (net/socket.c:2603)
[   66.258758][ T1989]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   66.258949][ T1989]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   66.259140][ T1989]  __sys_sendmsg (net/socket.c:2784)
[   66.259343][ T1989]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   66.259541][ T1989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.259731][ T1989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.259923][ T1989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.260111][ T1989]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.260300][ T1989]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.260512][ T1989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.260735][ T1989] RIP: 0033:0x7f86680e208e
[   66.260995][ T1989] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.261816][ T1989] RSP: 002b:00007fff9842add0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.262182][ T1989] RAX: ffffffffffffffda RBX: 00007fff9842b580 RCX: 00007f86680e208e
[   66.262467][ T1989] RDX: 0000000000000000 RSI: 00007fff9842ae80 RDI: 0000000000000005
[   66.262786][ T1989] RBP: 00007fff9842ade0 R08: 0000000000000000 R09: 0000000000000000
[   66.263101][ T1989] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf98
[   66.263383][ T1989] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9842b550
| [   66.300416][ T1990] ------------[ cut here ]------------
| [   66.300597][ T1990] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1990
| [   66.300871][ T1990] Modules linked in: netdevsim
| [   66.301310][ T1990] Tainted: [W]=WARN
[   66.301434][ T1990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.301610][ T1990] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.301788][ T1990] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.302271][ T1990] RSP: 0018:ffa0000004b67020 EFLAGS: 00010286
[   66.302460][ T1990] RAX: 00000000ffffffa6 RBX: ff11000004f92640 RCX: 1ff400000096cdca
[   66.302670][ T1990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f926f0
[   66.302883][ T1990] RBP: ff11000009da4000 R08: 1fe22000009f24df R09: ff11000004d2d180
[   66.303106][ T1990] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   66.303320][ T1990] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   66.303549][ T1990] FS:  00007f1be7e65840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   66.303849][ T1990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.304117][ T1990] CR2: 000000003e108988 CR3: 000000000cc14006 CR4: 0000000000771ef0
[   66.304366][ T1990] PKRU: 55555554
[   66.304474][ T1990] Call Trace:
[   66.304578][ T1990]  <TASK>
[   66.304650][ T1990]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.304797][ T1990]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.304951][ T1990]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   66.305122][ T1990]  __dev_notify_flags (net/core/dev.c:9787)
[   66.305264][ T1990]  ? netif_change_name (net/core/dev.c:1495)
[   66.305522][ T1990]  ? __dev_change_flags (net/core/dev.c:9752)
[   66.305750][ T1990]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   66.305889][ T1990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.306091][ T1990]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   66.306305][ T1990]  netif_change_flags (net/core/dev.c:9820)
[   66.306662][ T1990]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   66.306872][ T1990]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   66.307015][ T1990]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   66.307269][ T1990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.307626][ T1990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.307834][ T1990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   66.307996][ T1990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.308176][ T1990]  ? __kernel_text_address (kernel/extable.c:79)
[   66.308494][ T1990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.308699][ T1990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.308861][ T1990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   66.308998][ T1990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.309136][ T1990]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.309272][ T1990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.309470][ T1990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.309607][ T1990]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   66.309743][ T1990]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   66.309880][ T1990]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   66.310037][ T1990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   66.310176][ T1990]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   66.310319][ T1990]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   66.310481][ T1990]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   66.310621][ T1990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.310760][ T1990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.310896][ T1990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.311035][ T1990]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.311175][ T1990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.311313][ T1990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.311461][ T1990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.311596][ T1990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.311732][ T1990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.311868][ T1990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.312004][ T1990]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   66.312140][ T1990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.312276][ T1990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.312427][ T1990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.312565][ T1990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.312700][ T1990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.312837][ T1990]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.312978][ T1990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.313120][ T1990]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.313260][ T1990]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.313405][ T1990]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.313549][ T1990]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.313685][ T1990]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.313823][ T1990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.313959][ T1990]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.314098][ T1990]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.314235][ T1990]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.314376][ T1990]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   66.314520][ T1990]  ? copy_msghdr_from_user (net/socket.c:2635)
[   66.314657][ T1990]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   66.314825][ T1990]  ? move_addr_to_kernel (net/socket.c:258)
[   66.314961][ T1990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.315102][ T1990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.315244][ T1990]  ___sys_sendmsg (net/socket.c:2752)
[   66.315387][ T1990]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   66.315560][ T1990]  ? copy_msghdr_from_user (net/socket.c:2603)
[   66.315710][ T1990]  __sys_sendmsg (net/socket.c:2784)
[   66.315847][ T1990]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   66.315986][ T1990]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   66.316156][ T1990]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.316293][ T1990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.316448][ T1990]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.316585][ T1990]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.316721][ T1990]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.316858][ T1990]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.317031][ T1990] RIP: 0033:0x7f1be809f08e
[   66.317181][ T1990] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.317676][ T1990] RSP: 002b:00007ffdea05d340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.317888][ T1990] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1be809f08e
[   66.318097][ T1990] RDX: 0000000000000000 RSI: 00007ffdea05d3f0 RDI: 0000000000000005
[   66.318313][ T1990] RBP: 00007ffdea05d350 R08: 0000000000000000 R09: 0000000000000000
[   66.318530][ T1990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf98
[   66.318737][ T1990] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdea05dac0
| [   66.392362][ T1992] ------------[ cut here ]------------
| [   66.392613][ T1992] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1992
| [   66.392979][ T1992] Modules linked in: netdevsim
| [   66.393593][ T1992] Tainted: [W]=WARN
[   66.393761][ T1992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.394004][ T1992] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.394256][ T1992] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.395360][ T1992] RSP: 0018:ffa0000004b87310 EFLAGS: 00010286
[   66.395614][ T1992] RAX: 00000000ffffffa6 RBX: ff110000093de1c0 RCX: 1ff4000000970e28
[   66.395891][ T1992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093de270
[   66.396166][ T1992] RBP: ff1100000ce7a000 R08: 1fe220000127bc4f R09: ff1100000ae6aed0
[   66.396461][ T1992] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   66.396740][ T1992] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.397019][ T1992] FS:  00007f5afc12a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   66.397348][ T1992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.397605][ T1992] CR2: 00007f5afc6df004 CR3: 000000000dca7006 CR4: 0000000000771ef0
[   66.397885][ T1992] PKRU: 55555554
[   66.398051][ T1992] Call Trace:
[   66.398218][ T1992]  <TASK>
[   66.398364][ T1992]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.398623][ T1992]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.398863][ T1992]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   66.399070][ T1992]  ? netdev_run_todo (net/core/dev.c:11703)
[   66.399281][ T1992]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.399515][ T1992]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   66.399721][ T1992]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   66.399920][ T1992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.400122][ T1992]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.400347][ T1992] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   66.400574][ T1992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.400786][ T1992] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   66.401029][ T1992] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   66.401283][ T1992] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   66.401560][ T1992]  devlink_reload (net/devlink/dev.c:462)
[   66.401768][ T1992]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   66.401972][ T1992]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   66.402220][ T1992]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   66.402453][ T1992]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   66.402725][ T1992]  ? __nla_validate_parse (lib/nlattr.c:635)
[   66.402931][ T1992]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   66.403137][ T1992]  ? __nla_parse (lib/nlattr.c:732)
[   66.403358][ T1992]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   66.403575][ T1992]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   66.403820][ T1992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.404025][ T1992]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   66.404233][ T1992]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.404484][ T1992]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   66.404689][ T1992]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   66.404943][ T1992]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   66.405198][ T1992]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   66.405415][ T1992]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   66.405630][ T1992]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   66.405838][ T1992]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.406048][ T1992]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   66.406249][ T1992]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.406463][ T1992]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   66.406665][ T1992]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.406873][ T1992]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.407078][ T1992]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.407286][ T1992]  genl_rcv (net/netlink/genetlink.c:1218)
[   66.407472][ T1992]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.407678][ T1992]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.407881][ T1992]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.408087][ T1992]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.408293][ T1992]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.408513][ T1992]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.408737][ T1992]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.409025][ T1992]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   66.409314][ T1992]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   66.409647][ T1992]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   66.409900][ T1992]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.410142][ T1992]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.410357][ T1992]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   66.410565][ T1992]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.410773][ T1992]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.410977][ T1992]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.411181][ T1992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.411446][ T1992] RIP: 0033:0x7f5afc36408e
[   66.411666][ T1992] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.412278][ T1992] RSP: 002b:00007fff36533dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   66.412585][ T1992] RAX: ffffffffffffffda RBX: 000000003f2b2980 RCX: 00007f5afc36408e
[   66.412859][ T1992] RDX: 0000000000000038 RSI: 000000003f2b2ba0 RDI: 0000000000000005
[   66.413137][ T1992] RBP: 00007fff36533de0 R08: 00007f5afc618980 R09: 000000000000000c
[   66.413445][ T1992] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   66.413723][ T1992] R13: 000000003f2b2980 R14: 0000000000000000 R15: 0000000000000003
| [   66.467436][ T1992] ------------[ cut here ]------------
| [   66.467716][ T1992] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/1992
| [   66.468083][ T1992] Modules linked in: netdevsim
| [   66.468727][ T1992] Tainted: [W]=WARN
[   66.468897][ T1992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.469142][ T1992] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.469412][ T1992] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.470149][ T1992] RSP: 0018:ffa0000004b87268 EFLAGS: 00010286
[   66.470496][ T1992] RAX: 00000000ffffffa6 RBX: ff1100000538d9c0 RCX: 1ff4000000970e13
[   66.470784][ T1992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538da70
[   66.471064][ T1992] RBP: ff1100000cd42000 R08: 1fe2200000a71b4f R09: ff1100000ae6aed0
[   66.471359][ T1992] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   66.471659][ T1992] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cd42000
[   66.471945][ T1992] FS:  00007f5afc12a840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   66.472271][ T1992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.472536][ T1992] CR2: 00007f5afc6df004 CR3: 000000000dca7006 CR4: 0000000000771ef0
[   66.472827][ T1992] PKRU: 55555554
[   66.472992][ T1992] Call Trace:
[   66.473157][ T1992]  <TASK>
[   66.473288][ T1992]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.473521][ T1992]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.473691][ T1992]  register_netdevice (net/core/dev.c:11488)
[   66.473901][ T1992]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   66.474144][ T1992]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   66.474375][ T1992] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   66.474634][ T1992] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   66.474858][ T1992] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   66.475200][ T1992]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   66.476031][ T1992]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   66.476284][ T1992]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   66.476522][ T1992]  ? static_obj (kernel/locking/lockdep.c:858)
[   66.476696][ T1992]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   66.476907][ T1992]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   66.477157][ T1992] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   66.477413][ T1992]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   66.477666][ T1992]  devlink_reload (net/devlink/dev.c:475)
[   66.477879][ T1992]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   66.478090][ T1992]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   66.478350][ T1992]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   66.478565][ T1992]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   66.478809][ T1992]  ? __nla_validate_parse (lib/nlattr.c:635)
[   66.479020][ T1992]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   66.479227][ T1992]  ? __nla_parse (lib/nlattr.c:732)
[   66.479457][ T1992]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   66.479670][ T1992]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   66.479920][ T1992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.480129][ T1992]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   66.480348][ T1992]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.480569][ T1992]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   66.480778][ T1992]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   66.481019][ T1992]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   66.481269][ T1992]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   66.481497][ T1992]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   66.481702][ T1992]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   66.481907][ T1992]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.482120][ T1992]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   66.482339][ T1992]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.482548][ T1992]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   66.482753][ T1992]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.482965][ T1992]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.483171][ T1992]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.483394][ T1992]  genl_rcv (net/netlink/genetlink.c:1218)
[   66.483575][ T1992]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.483784][ T1992]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.483991][ T1992]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.484199][ T1992]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.484435][ T1992]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.484648][ T1992]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.484878][ T1992]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.485101][ T1992]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   66.485342][ T1992]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   66.485582][ T1992]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   66.485798][ T1992]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.486052][ T1992]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.486270][ T1992]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   66.486537][ T1992]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.486835][ T1992]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.487066][ T1992]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.487277][ T1992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.487543][ T1992] RIP: 0033:0x7f5afc36408e
[   66.487755][ T1992] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.488383][ T1992] RSP: 002b:00007fff36533dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   66.488688][ T1992] RAX: ffffffffffffffda RBX: 000000003f2b2980 RCX: 00007f5afc36408e
[   66.488983][ T1992] RDX: 0000000000000038 RSI: 000000003f2b2ba0 RDI: 0000000000000005
[   66.489268][ T1992] RBP: 00007fff36533de0 R08: 00007f5afc618980 R09: 000000000000000c
[   66.489581][ T1992] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   66.489868][ T1992] R13: 000000003f2b2980 R14: 0000000000000000 R15: 0000000000000003
| [   67.350552][ T2016] ------------[ cut here ]------------
| [   67.350742][ T2016] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2016
| [   67.351023][ T2016] Modules linked in: netdevsim
| [   67.351470][ T2016] Tainted: [W]=WARN
[   67.351578][ T2016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.351756][ T2016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.351944][ T2016] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.352475][ T2016] RSP: 0018:ffa0000004cf7010 EFLAGS: 00010286
[   67.352656][ T2016] RAX: 00000000ffffffa6 RBX: ff110000091107c0 RCX: 1ff400000099edc8
[   67.352866][ T2016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009110870
[   67.353075][ T2016] RBP: ff11000009da4000 R08: 1fe220000122210f R09: ff11000004f2d180
[   67.353284][ T2016] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   67.353515][ T2016] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004cf7100
[   67.353721][ T2016] FS:  00007fb7bef7e840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   67.353973][ T2016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.354150][ T2016] CR2: 000000000ff42988 CR3: 0000000010f1c001 CR4: 0000000000771ef0
[   67.354369][ T2016] PKRU: 55555554
[   67.354479][ T2016] Call Trace:
[   67.354610][ T2016]  <TASK>
[   67.354684][ T2016]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.354832][ T2016]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.354937][ T2016]  netif_close_many (net/core/dev.c:1804)
[   67.355076][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.355216][ T2016]  ? __dev_close_many (net/core/dev.c:1781)
[   67.355373][ T2016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.355524][ T2016]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   67.355665][ T2016]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   67.355807][ T2016]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   67.355981][ T2016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.356117][ T2016]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   67.356288][ T2016]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   67.356663][ T2016]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   67.356802][ T2016]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   67.356970][ T2016]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   67.357109][ T2016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.357248][ T2016]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   67.357397][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.357544][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.357687][ T2016]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   67.357826][ T2016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.357966][ T2016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.358125][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.358264][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.358409][ T2016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.358551][ T2016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.358692][ T2016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.358829][ T2016]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   67.358969][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.359108][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.359250][ T2016]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   67.359393][ T2016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.359570][ T2016]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   67.359710][ T2016]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.359849][ T2016]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.359988][ T2016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.360137][ T2016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.360282][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.360430][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.360569][ T2016]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.360707][ T2016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.360851][ T2016]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.360993][ T2016]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.361130][ T2016]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.361270][ T2016]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.361416][ T2016]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.361559][ T2016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.361701][ T2016]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.361843][ T2016]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.361986][ T2016]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.362129][ T2016]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.362272][ T2016]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.362434][ T2016]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.362609][ T2016]  ? move_addr_to_kernel (net/socket.c:258)
[   67.362768][ T2016]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.362907][ T2016]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.363048][ T2016]  ___sys_sendmsg (net/socket.c:2752)
[   67.363214][ T2016]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.363395][ T2016]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.363553][ T2016]  __sys_sendmsg (net/socket.c:2784)
[   67.363694][ T2016]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.363832][ T2016]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.364010][ T2016]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.364147][ T2016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.364287][ T2016]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.364456][ T2016]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.364596][ T2016]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.364745][ T2016]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.364923][ T2016] RIP: 0033:0x7fb7bf1b808e
[   67.365075][ T2016] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.365594][ T2016] RSP: 002b:00007ffe39a99ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.365817][ T2016] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7bf1b808e
[   67.366023][ T2016] RDX: 0000000000000000 RSI: 00007ffe39a99fa0 RDI: 0000000000000005
[   67.366228][ T2016] RBP: 00007ffe39a99f00 R08: 0000000000000000 R09: 0000000000000000
[   67.366449][ T2016] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf99
[   67.366664][ T2016] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39a9a670
| [   67.371269][ T2016] ------------[ cut here ]------------
| [   67.371479][ T2016] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2016
| [   67.371755][ T2016] Modules linked in: netdevsim
| [   67.372173][ T2016] Tainted: [W]=WARN
[   67.372276][ T2016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.372460][ T2016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.372631][ T2016] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.373101][ T2016] RSP: 0018:ffa0000004cf7190 EFLAGS: 00010286
[   67.373271][ T2016] RAX: 00000000ffffffa6 RBX: ff11000004ec04c0 RCX: 1ff400000099edf8
[   67.373507][ T2016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0570
[   67.373703][ T2016] RBP: ff11000009da4000 R08: 1fe22000009d80af R09: ff11000004f2d158
[   67.373900][ T2016] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   67.374098][ T2016] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   67.374298][ T2016] FS:  00007fb7bef7e840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   67.374552][ T2016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.374716][ T2016] CR2: 00007f8375e9d580 CR3: 0000000010f1c003 CR4: 0000000000771ef0
[   67.374941][ T2016] PKRU: 55555554
[   67.375041][ T2016] Call Trace:
[   67.375139][ T2016]  <TASK>
[   67.375210][ T2016]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   67.375389][ T2016]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   67.375559][ T2016]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   67.375700][ T2016]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   67.375829][ T2016]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   67.375990][ T2016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.376123][ T2016]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   67.376252][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.376388][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.376524][ T2016]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   67.376652][ T2016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.376788][ T2016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.377008][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.377197][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.377517][ T2016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.377724][ T2016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.377906][ T2016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.378040][ T2016]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   67.378175][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.378308][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.378459][ T2016]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   67.378593][ T2016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.378731][ T2016]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   67.378864][ T2016]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.378998][ T2016]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.379126][ T2016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.379256][ T2016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.379397][ T2016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.379534][ T2016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.379664][ T2016]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.379795][ T2016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.379929][ T2016]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.380062][ T2016]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.380192][ T2016]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.380331][ T2016]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.380472][ T2016]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.380599][ T2016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.380731][ T2016]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.380861][ T2016]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.380992][ T2016]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.381145][ T2016]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.381317][ T2016]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.381462][ T2016]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.381621][ T2016]  ? move_addr_to_kernel (net/socket.c:258)
[   67.381755][ T2016]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.381886][ T2016]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.382018][ T2016]  ___sys_sendmsg (net/socket.c:2752)
[   67.382144][ T2016]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.382306][ T2016]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.382456][ T2016]  __sys_sendmsg (net/socket.c:2784)
[   67.382587][ T2016]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.382714][ T2016]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.382891][ T2016]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.383020][ T2016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.383150][ T2016]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.383281][ T2016]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.383416][ T2016]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.383552][ T2016]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.383711][ T2016] RIP: 0033:0x7fb7bf1b808e
[   67.383851][ T2016] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.384307][ T2016] RSP: 002b:00007ffe39a99ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.384517][ T2016] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7bf1b808e
[   67.384712][ T2016] RDX: 0000000000000000 RSI: 00007ffe39a99fa0 RDI: 0000000000000005
[   67.384903][ T2016] RBP: 00007ffe39a99f00 R08: 0000000000000000 R09: 0000000000000000
[   67.385096][ T2016] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf99
[   67.385289][ T2016] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39a9a670
| [   67.449309][ T2018] ------------[ cut here ]------------
| [   67.449532][ T2018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2018
| [   67.449848][ T2018] Modules linked in: netdevsim
| [   67.450298][ T2018] Tainted: [W]=WARN
[   67.450414][ T2018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.450600][ T2018] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.450784][ T2018] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.451294][ T2018] RSP: 0018:ffa0000004d171b0 EFLAGS: 00010286
[   67.451494][ T2018] RAX: 00000000ffffffa6 RBX: ff1100000ee5e940 RCX: 1ff40000009a2dfc
[   67.451713][ T2018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ee5e9f0
[   67.451928][ T2018] RBP: ff1100000f969000 R08: 1fe2200001dcbd3f R09: ff1100000f888ba8
[   67.452142][ T2018] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.453477][ T2018] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.453775][ T2018] FS:  00007f448dfbc840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   67.454025][ T2018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.454202][ T2018] CR2: 00000000004a77b8 CR3: 000000000f789003 CR4: 0000000000771ef0
[   67.454526][ T2018] PKRU: 55555554
[   67.454635][ T2018] Call Trace:
[   67.454741][ T2018]  <TASK>
[   67.454815][ T2018]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.454960][ T2018]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.455103][ T2018]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.455244][ T2018]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.455464][ T2018]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   67.455608][ T2018]  __dev_notify_flags (net/core/dev.c:9787)
[   67.455752][ T2018]  ? netif_change_name (net/core/dev.c:1495)
[   67.455897][ T2018]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.456076][ T2018]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   67.456219][ T2018]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   67.456450][ T2018]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   67.456593][ T2018]  ? __dev_get_by_name (net/core/dev.c:883)
[   67.456735][ T2018]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   67.456883][ T2018]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   67.457032][ T2018]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.457201][ T2018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.457458][ T2018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.457600][ T2018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.457740][ T2018]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.457882][ T2018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.458029][ T2018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.458175][ T2018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.458317][ T2018]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.458551][ T2018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.458692][ T2018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.458833][ T2018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.458977][ T2018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.459122][ T2018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.459264][ T2018]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.459498][ T2018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.459662][ T2018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.459808][ T2018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.459949][ T2018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.460094][ T2018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.460239][ T2018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.460489][ T2018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.460634][ T2018]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.460774][ T2018]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.460917][ T2018]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.461061][ T2018]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.461203][ T2018]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.461444][ T2018]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.461625][ T2018]  ? move_addr_to_kernel (net/socket.c:258)
[   67.461769][ T2018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.461914][ T2018]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   67.462058][ T2018]  ___sys_sendmsg (net/socket.c:2752)
[   67.462199][ T2018]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   67.462391][ T2018]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.462546][ T2018]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   67.462694][ T2018]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   67.462841][ T2018]  __sys_sendmsg (net/socket.c:2784)
[   67.462984][ T2018]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.463132][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.463278][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.463431][ T2018]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.463576][ T2018]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.463720][ T2018]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.463866][ T2018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.464046][ T2018] RIP: 0033:0x7f448e1f608e
[   67.464200][ T2018] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.464740][ T2018] RSP: 002b:00007fff40fc6200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.464966][ T2018] RAX: ffffffffffffffda RBX: 00007fff40fc69b0 RCX: 00007f448e1f608e
[   67.465185][ T2018] RDX: 0000000000000000 RSI: 00007fff40fc62b0 RDI: 0000000000000005
[   67.465404][ T2018] RBP: 00007fff40fc6210 R08: 0000000000000000 R09: 0000000000000000
[   67.465626][ T2018] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf99
[   67.465841][ T2018] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff40fc6980
| [   67.501760][ T2019] ------------[ cut here ]------------
| [   67.501990][ T2019] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2019
| [   67.502320][ T2019] Modules linked in: netdevsim
| [   67.503437][ T2019] Tainted: [W]=WARN
[   67.503602][ T2019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.503823][ T2019] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.504055][ T2019] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.504614][ T2019] RSP: 0018:ffa0000004d27020 EFLAGS: 00010286
[   67.504838][ T2019] RAX: 00000000ffffffa6 RBX: ff1100000ed6ec40 RCX: 1ff40000009a4dca
[   67.505094][ T2019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6ecf0
[   67.505373][ T2019] RBP: ff1100000f969000 R08: 1fe2200001dadd9f R09: ff11000010732e80
[   67.505645][ T2019] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   67.505898][ T2019] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.506154][ T2019] FS:  00007f5909767840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   67.506465][ T2019] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.506689][ T2019] CR2: 000000002da20988 CR3: 000000000fb8f006 CR4: 0000000000771ef0
[   67.506960][ T2019] PKRU: 55555554
[   67.507112][ T2019] Call Trace:
[   67.507265][ T2019]  <TASK>
[   67.507496][ T2019]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.507759][ T2019]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.507972][ T2019]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.508244][ T2019]  __dev_notify_flags (net/core/dev.c:9787)
[   67.508640][ T2019]  ? netif_change_name (net/core/dev.c:1495)
[   67.508908][ T2019]  ? __dev_change_flags (net/core/dev.c:9752)
[   67.509109][ T2019]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.509295][ T2019]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.509511][ T2019]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.509704][ T2019]  netif_change_flags (net/core/dev.c:9820)
[   67.509905][ T2019]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.510101][ T2019]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.510292][ T2019]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.510537][ T2019]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.510726][ T2019]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.510915][ T2019]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.511103][ T2019]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.511291][ T2019]  ? __kernel_text_address (kernel/extable.c:79)
[   67.511503][ T2019]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.511698][ T2019]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.511891][ T2019]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.512081][ T2019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.512270][ T2019]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.512481][ T2019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.512668][ T2019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.512875][ T2019]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.513069][ T2019]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.513258][ T2019]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.513469][ T2019]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.513659][ T2019]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.513866][ T2019]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.514057][ T2019]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.514247][ T2019]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.514455][ T2019]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.514646][ T2019]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.514832][ T2019]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.515020][ T2019]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.515211][ T2019]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.515415][ T2019]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.515610][ T2019]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.515811][ T2019]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.516001][ T2019]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.516191][ T2019]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.516394][ T2019]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.516590][ T2019]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.516781][ T2019]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.516971][ T2019]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.517157][ T2019]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.517361][ T2019]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.517556][ T2019]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.517745][ T2019]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.517936][ T2019]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.518124][ T2019]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.518319][ T2019]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.518532][ T2019]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.518722][ T2019]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.518911][ T2019]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.519100][ T2019]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.519291][ T2019]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.519505][ T2019]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.519695][ T2019]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.519885][ T2019]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.520105][ T2019]  ? move_addr_to_kernel (net/socket.c:258)
[   67.520293][ T2019]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.520505][ T2019]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.520697][ T2019]  ___sys_sendmsg (net/socket.c:2752)
[   67.520884][ T2019]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.521108][ T2019]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.521311][ T2019]  __sys_sendmsg (net/socket.c:2784)
[   67.521520][ T2019]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.521709][ T2019]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.521938][ T2019]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.522126][ T2019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.522317][ T2019]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.522530][ T2019]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.522718][ T2019]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.522908][ T2019]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.523135][ T2019] RIP: 0033:0x7f59099a108e
[   67.523345][ T2019] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.523915][ T2019] RSP: 002b:00007ffce6b16230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.524186][ T2019] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f59099a108e
[   67.524463][ T2019] RDX: 0000000000000000 RSI: 00007ffce6b162e0 RDI: 0000000000000005
[   67.524717][ T2019] RBP: 00007ffce6b16240 R08: 0000000000000000 R09: 0000000000000000
[   67.524971][ T2019] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf99
[   67.525231][ T2019] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce6b169b0
| [   67.633485][ T2021] ------------[ cut here ]------------
| [   67.633754][ T2021] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2021
| [   67.634226][ T2021] Modules linked in: netdevsim
| [   67.635566][ T2021] Tainted: [W]=WARN
[   67.635736][ T2021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.636014][ T2021] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.636310][ T2021] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.637108][ T2021] RSP: 0018:ffa0000004d471b0 EFLAGS: 00010286
[   67.637400][ T2021] RAX: 00000000ffffffa6 RBX: ff1100000ed72ac0 RCX: 1ff40000009a8dfc
[   67.637735][ T2021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed72b70
[   67.638065][ T2021] RBP: ff1100000eff4000 R08: 1fe2200001dae56f R09: ff1100000f7951a8
[   67.638405][ T2021] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   67.638740][ T2021] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.639075][ T2021] FS:  00007f2fe6b6b840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   67.639482][ T2021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.639766][ T2021] CR2: 00000000004a77b8 CR3: 0000000010e63001 CR4: 0000000000771ef0
[   67.640099][ T2021] PKRU: 55555554
[   67.640264][ T2021] Call Trace:
[   67.640442][ T2021]  <TASK>
[   67.640558][ T2021]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.640783][ T2021]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.641004][ T2021]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.641229][ T2021]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.641409][ T2021]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   67.641632][ T2021]  __dev_notify_flags (net/core/dev.c:9787)
[   67.641850][ T2021]  ? netif_change_name (net/core/dev.c:1495)
[   67.642081][ T2021]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.642373][ T2021]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   67.642605][ T2021]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   67.642829][ T2021]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   67.643045][ T2021]  ? __dev_get_by_name (net/core/dev.c:883)
[   67.643268][ T2021]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   67.643516][ T2021]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   67.643742][ T2021]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.643968][ T2021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.644188][ T2021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.644429][ T2021]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.644655][ T2021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.644873][ T2021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.645105][ T2021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.645344][ T2021]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.645570][ T2021]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.645788][ T2021]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.646005][ T2021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.646218][ T2021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.646452][ T2021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.646672][ T2021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.646899][ T2021]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.647120][ T2021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.647360][ T2021]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.647594][ T2021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.647811][ T2021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.648039][ T2021]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.648265][ T2021]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.648503][ T2021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.648728][ T2021]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.648953][ T2021]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.649175][ T2021]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.649411][ T2021]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.649638][ T2021]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.649859][ T2021]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.650138][ T2021]  ? move_addr_to_kernel (net/socket.c:258)
[   67.650376][ T2021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.650602][ T2021]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   67.650827][ T2021]  ___sys_sendmsg (net/socket.c:2752)
[   67.651045][ T2021]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   67.651267][ T2021]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.651509][ T2021]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   67.651742][ T2021]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   67.651966][ T2021]  __sys_sendmsg (net/socket.c:2784)
[   67.652185][ T2021]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.652420][ T2021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.652640][ T2021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.652868][ T2021]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.653103][ T2021]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.653336][ T2021]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.653560][ T2021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.653831][ T2021] RIP: 0033:0x7f2fe6da508e
[   67.654070][ T2021] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.654833][ T2021] RSP: 002b:00007ffd138c4b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.655167][ T2021] RAX: ffffffffffffffda RBX: 00007ffd138c5310 RCX: 00007f2fe6da508e
[   67.655511][ T2021] RDX: 0000000000000000 RSI: 00007ffd138c4c10 RDI: 0000000000000005
[   67.655841][ T2021] RBP: 00007ffd138c4b70 R08: 0000000000000000 R09: 0000000000000000
[   67.656184][ T2021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf99
[   67.656543][ T2021] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd138c52e0
| [   67.688606][ T2022] ------------[ cut here ]------------
| [   67.688826][ T2022] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2022
| [   67.689153][ T2022] Modules linked in: netdevsim
| [   67.689712][ T2022] Tainted: [W]=WARN
[   67.689864][ T2022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.690081][ T2022] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.690308][ T2022] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.690969][ T2022] RSP: 0018:ffa0000004b07020 EFLAGS: 00010286
[   67.691267][ T2022] RAX: 00000000ffffffa6 RBX: ff110000093df3c0 RCX: 1ff4000000960dca
[   67.691605][ T2022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093df470
[   67.691931][ T2022] RBP: ff1100000eff4000 R08: 1fe220000127be8f R09: ff1100000f790b80
[   67.692243][ T2022] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   67.692573][ T2022] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.692882][ T2022] FS:  00007f02ec05c840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   67.693241][ T2022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.693589][ T2022] CR2: 000000003adaa988 CR3: 0000000010ddf003 CR4: 0000000000771ef0
[   67.693911][ T2022] PKRU: 55555554
[   67.694156][ T2022] Call Trace:
[   67.694415][ T2022]  <TASK>
[   67.694596][ T2022]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.694793][ T2022]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.694950][ T2022]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.695137][ T2022]  __dev_notify_flags (net/core/dev.c:9787)
[   67.695341][ T2022]  ? netif_change_name (net/core/dev.c:1495)
[   67.695535][ T2022]  ? __dev_change_flags (net/core/dev.c:9752)
[   67.695719][ T2022]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.695903][ T2022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.696090][ T2022]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.696281][ T2022]  netif_change_flags (net/core/dev.c:9820)
[   67.696495][ T2022]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.696693][ T2022]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.696893][ T2022]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.697135][ T2022]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.697343][ T2022]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.697544][ T2022]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.697733][ T2022]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.697923][ T2022]  ? __kernel_text_address (kernel/extable.c:79)
[   67.698115][ T2022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.698306][ T2022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.698517][ T2022]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.698707][ T2022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.698898][ T2022]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.699084][ T2022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.699269][ T2022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.699480][ T2022]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.699670][ T2022]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.699857][ T2022]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.700051][ T2022]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.700253][ T2022]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.700484][ T2022]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.700686][ T2022]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.700890][ T2022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.701089][ T2022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.701293][ T2022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.701509][ T2022]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.701699][ T2022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.701891][ T2022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.702080][ T2022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.702271][ T2022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.702481][ T2022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.702670][ T2022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.702859][ T2022]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.703047][ T2022]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.703237][ T2022]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.703450][ T2022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.703646][ T2022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.703832][ T2022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.704023][ T2022]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.704211][ T2022]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.704416][ T2022]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.704617][ T2022]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.704802][ T2022]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.704995][ T2022]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.705183][ T2022]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.705382][ T2022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.705579][ T2022]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.705766][ T2022]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.705968][ T2022]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.706161][ T2022]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.706364][ T2022]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.706563][ T2022]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.706787][ T2022]  ? move_addr_to_kernel (net/socket.c:258)
[   67.706977][ T2022]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.707167][ T2022]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.707376][ T2022]  ___sys_sendmsg (net/socket.c:2752)
[   67.707573][ T2022]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.707796][ T2022]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.707998][ T2022]  __sys_sendmsg (net/socket.c:2784)
[   67.708185][ T2022]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.708382][ T2022]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.708617][ T2022]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.708805][ T2022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.708995][ T2022]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.709183][ T2022]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.709390][ T2022]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.709588][ T2022]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.709813][ T2022] RIP: 0033:0x7f02ec29608e
[   67.710010][ T2022] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.710606][ T2022] RSP: 002b:00007ffc1e4ff820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.710885][ T2022] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f02ec29608e
[   67.711147][ T2022] RDX: 0000000000000000 RSI: 00007ffc1e4ff8d0 RDI: 0000000000000005
[   67.711414][ T2022] RBP: 00007ffc1e4ff830 R08: 0000000000000000 R09: 0000000000000000
[   67.711682][ T2022] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf99
[   67.711954][ T2022] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e4fffa0
| [   67.856107][ T2025] ------------[ cut here ]------------
| [   67.856424][ T2025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/2025
| [   67.856929][ T2025] Modules linked in: netdevsim
| [   67.857711][ T2025] Tainted: [W]=WARN
[   67.857902][ T2025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.858208][ T2025] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.859231][ T2025] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.860124][ T2025] RSP: 0018:ffa0000004d57310 EFLAGS: 00010286
[   67.860445][ T2025] RAX: 00000000ffffffa6 RBX: ff1100000cf73cc0 RCX: 1ff40000009aae28
[   67.860812][ T2025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf73d70
[   67.861180][ T2025] RBP: ff1100000cd42000 R08: 1fe22000019ee7af R09: ff11000010de8bd0
[   67.861559][ T2025] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   67.861925][ T2025] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   67.862293][ T2025] FS:  00007f33b2b98840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   67.862740][ T2025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.863053][ T2025] CR2: 00007f33b314d004 CR3: 0000000010f1c004 CR4: 0000000000771ef0
[   67.863442][ T2025] PKRU: 55555554
[   67.863626][ T2025] Call Trace:
[   67.863811][ T2025]  <TASK>
[   67.863938][ T2025]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   67.864253][ T2025]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   67.864576][ T2025]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   67.864834][ T2025]  ? netdev_run_todo (net/core/dev.c:11703)
[   67.865080][ T2025]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   67.865344][ T2025]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   67.865597][ T2025]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   67.865842][ T2025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.866087][ T2025]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   67.866349][ T2025] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   67.866606][ T2025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.866855][ T2025] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   67.867163][ T2025] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   67.867489][ T2025] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   67.867793][ T2025]  devlink_reload (net/devlink/dev.c:462)
[   67.868040][ T2025]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   67.868288][ T2025]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   67.868620][ T2025]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   67.868869][ T2025]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   67.869174][ T2025]  ? __nla_validate_parse (lib/nlattr.c:635)
[   67.869433][ T2025]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   67.869679][ T2025]  ? __nla_parse (lib/nlattr.c:732)
[   67.869935][ T2025]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   67.870189][ T2025]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   67.870518][ T2025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.870766][ T2025]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   67.871013][ T2025]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   67.871260][ T2025]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   67.871523][ T2025]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   67.871824][ T2025]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.872132][ T2025]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   67.872386][ T2025]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   67.872626][ T2025]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   67.872871][ T2025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.873121][ T2025]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   67.873380][ T2025]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.873628][ T2025]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   67.873877][ T2025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.874129][ T2025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.874383][ T2025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.874635][ T2025]  genl_rcv (net/netlink/genetlink.c:1218)
[   67.874816][ T2025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.875060][ T2025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.875304][ T2025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.875574][ T2025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.875823][ T2025]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.876073][ T2025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.876318][ T2025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.876576][ T2025]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   67.876814][ T2025]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   67.877083][ T2025]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   67.877337][ T2025]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   67.877653][ T2025]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.877896][ T2025]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.878139][ T2025]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.878386][ T2025]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.878637][ T2025]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.878882][ T2025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.879182][ T2025] RIP: 0033:0x7f33b2dd208e
[   67.879453][ T2025] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.880339][ T2025] RSP: 002b:00007ffd482f8840 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   67.880715][ T2025] RAX: ffffffffffffffda RBX: 000000002715c980 RCX: 00007f33b2dd208e
[   67.881083][ T2025] RDX: 0000000000000038 RSI: 000000002715cba0 RDI: 0000000000000005
[   67.881462][ T2025] RBP: 00007ffd482f8850 R08: 00007f33b3086980 R09: 000000000000000c
[   67.881832][ T2025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   67.882197][ T2025] R13: 000000002715c980 R14: 0000000000000000 R15: 0000000000000003
| [   67.952927][ T2025] ------------[ cut here ]------------
| [   67.953219][ T2025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink/2025
| [   67.953737][ T2025] Modules linked in: netdevsim
| [   67.954566][ T2025] Tainted: [W]=WARN
[   67.954767][ T2025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.955107][ T2025] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.955461][ T2025] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.956353][ T2025] RSP: 0018:ffa0000004d57268 EFLAGS: 00010286
[   67.956679][ T2025] RAX: 00000000ffffffa6 RBX: ff11000004ec0c40 RCX: 1ff40000009aae13
[   67.957058][ T2025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0cf0
[   67.957451][ T2025] RBP: ff11000009472000 R08: 1fe22000009d819f R09: ff11000010de8bd0
[   67.957826][ T2025] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   67.958195][ T2025] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009472000
[   67.958583][ T2025] FS:  00007f33b2b98840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   67.959016][ T2025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.959344][ T2025] CR2: 00007f33b314d004 CR3: 0000000010f1c004 CR4: 0000000000771ef0
[   67.959727][ T2025] PKRU: 55555554
[   67.959914][ T2025] Call Trace:
[   67.960105][ T2025]  <TASK>
[   67.960238][ T2025]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.960519][ T2025]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.960716][ T2025]  register_netdevice (net/core/dev.c:11488)
[   67.960969][ T2025]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.961270][ T2025]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   67.961544][ T2025] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   67.961874][ T2025] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   67.962134][ T2025] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   67.962462][ T2025]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   67.962724][ T2025]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   67.963039][ T2025]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   67.963269][ T2025]  ? static_obj (kernel/locking/lockdep.c:858)
[   67.963453][ T2025]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.963691][ T2025]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   67.964002][ T2025] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   67.964320][ T2025]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   67.964649][ T2025]  devlink_reload (net/devlink/dev.c:475)
[   67.964899][ T2025]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   67.965148][ T2025]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   67.965669][ T2025]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   67.965925][ T2025]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   67.966450][ T2025]  ? __nla_validate_parse (lib/nlattr.c:635)
[   67.966701][ T2025]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   67.966954][ T2025]  ? __nla_parse (lib/nlattr.c:732)
[   67.967216][ T2025]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   67.967622][ T2025]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   67.967949][ T2025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.968205][ T2025]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   67.968469][ T2025]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   67.968733][ T2025]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   67.968995][ T2025]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   67.969301][ T2025]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.969630][ T2025]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   67.969885][ T2025]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   67.970156][ T2025]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   67.970421][ T2025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.970692][ T2025]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   67.970952][ T2025]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.971209][ T2025]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   67.971665][ T2025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.972145][ T2025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.972620][ T2025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.972884][ T2025]  genl_rcv (net/netlink/genetlink.c:1218)
[   67.973077][ T2025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.973349][ T2025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.973626][ T2025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.973882][ T2025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.974173][ T2025]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.974442][ T2025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.974699][ T2025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.974958][ T2025]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   67.975216][ T2025]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   67.975694][ T2025]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   67.975940][ T2025]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   67.976257][ T2025]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.976706][ T2025]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.976987][ T2025]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.977239][ T2025]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.977694][ T2025]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.977940][ T2025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.978250][ T2025] RIP: 0033:0x7f33b2dd208e
[   67.978733][ T2025] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.979643][ T2025] RSP: 002b:00007ffd482f8840 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   67.980023][ T2025] RAX: ffffffffffffffda RBX: 000000002715c980 RCX: 00007f33b2dd208e
[   67.980415][ T2025] RDX: 0000000000000038 RSI: 000000002715cba0 RDI: 0000000000000005
[   67.980811][ T2025] RBP: 00007ffd482f8850 R08: 00007f33b3086980 R09: 000000000000000c
[   67.981156][ T2025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   67.981503][ T2025] R13: 000000002715c980 R14: 0000000000000000 R15: 0000000000000003
| [   68.932346][ T2050] ------------[ cut here ]------------
| [   68.932629][ T2050] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2050
| [   68.933053][ T2050] Modules linked in: netdevsim
| [   68.933732][ T2050] Tainted: [W]=WARN
[   68.933894][ T2050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.934161][ T2050] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.934463][ T2050] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.935140][ T2050] RSP: 0018:ffa0000004e67010 EFLAGS: 00010286
[   68.935420][ T2050] RAX: 00000000ffffffa6 RBX: ff110000093dfcc0 RCX: 1ff40000009ccdc8
[   68.935740][ T2050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dfd70
[   68.936046][ T2050] RBP: ff1100000f969000 R08: 1fe220000127bfaf R09: ff1100000c6b8b80
[   68.936376][ T2050] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   68.936699][ T2050] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004e67100
[   68.937017][ T2050] FS:  00007f2482842840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   68.937933][ T2050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.938212][ T2050] CR2: 00007f2482b121a0 CR3: 0000000010dfc006 CR4: 0000000000771ef0
[   68.938551][ T2050] PKRU: 55555554
[   68.938732][ T2050] Call Trace:
[   68.938894][ T2050]  <TASK>
[   68.939006][ T2050]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.939224][ T2050]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.939400][ T2050]  netif_close_many (net/core/dev.c:1804)
[   68.939623][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.939837][ T2050]  ? __dev_close_many (net/core/dev.c:1781)
[   68.940052][ T2050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.940267][ T2050]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.940486][ T2050]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.940699][ T2050]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   68.940970][ T2050]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.941182][ T2050]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.941455][ T2050]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.941665][ T2050]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.941878][ T2050]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.942144][ T2050]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.942367][ T2050]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.942599][ T2050]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   68.942809][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.943012][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.943220][ T2050]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.943448][ T2050]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.943662][ T2050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.943916][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.944123][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.944344][ T2050]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.944561][ T2050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.944767][ T2050]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.944985][ T2050]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   68.945201][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.945424][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.945640][ T2050]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.945849][ T2050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.946064][ T2050]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.946276][ T2050]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.946506][ T2050]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.946720][ T2050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.946931][ T2050]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.947148][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.947376][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.947605][ T2050]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.947817][ T2050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.948028][ T2050]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.948248][ T2050]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.948479][ T2050]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.948694][ T2050]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.948907][ T2050]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.949121][ T2050]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.949340][ T2050]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.949563][ T2050]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.949779][ T2050]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.949997][ T2050]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.950206][ T2050]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.950427][ T2050]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.950700][ T2050]  ? move_addr_to_kernel (net/socket.c:258)
[   68.950916][ T2050]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.951129][ T2050]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.951356][ T2050]  ___sys_sendmsg (net/socket.c:2752)
[   68.951570][ T2050]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.951804][ T2050]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.952036][ T2050]  __sys_sendmsg (net/socket.c:2784)
[   68.952250][ T2050]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.952483][ T2050]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.952753][ T2050]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.952963][ T2050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.953180][ T2050]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.953403][ T2050]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.953618][ T2050]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.953836][ T2050]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.954102][ T2050] RIP: 0033:0x7f2482a7c08e
[   68.954336][ T2050] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.955104][ T2050] RSP: 002b:00007fffd4aaff40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.955450][ T2050] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2482a7c08e
[   68.955771][ T2050] RDX: 0000000000000000 RSI: 00007fffd4aafff0 RDI: 0000000000000005
[   68.956094][ T2050] RBP: 00007fffd4aaff50 R08: 0000000000000000 R09: 0000000000000000
[   68.956424][ T2050] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9b
[   68.956750][ T2050] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd4ab06c0
| [   68.964741][ T2050] ------------[ cut here ]------------
| [   68.964964][ T2050] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2050
| [   68.965381][ T2050] Modules linked in: netdevsim
| [   68.966008][ T2050] Tainted: [W]=WARN
[   68.966162][ T2050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.966428][ T2050] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.966696][ T2050] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.967422][ T2050] RSP: 0018:ffa0000004e67190 EFLAGS: 00010286
[   68.967684][ T2050] RAX: 00000000ffffffa6 RBX: ff1100000c690340 RCX: 1ff40000009ccdf8
[   68.967983][ T2050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6903f0
[   68.968278][ T2050] RBP: ff1100000f969000 R08: 1fe22000018d207f R09: ff1100000c6b8b58
[   68.968606][ T2050] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   68.968904][ T2050] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.969201][ T2050] FS:  00007f2482842840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   68.969722][ T2050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.969982][ T2050] CR2: 00007f2482b121a0 CR3: 0000000010dfc006 CR4: 0000000000771ef0
[   68.970288][ T2050] PKRU: 55555554
[   68.970597][ T2050] Call Trace:
[   68.970842][ T2050]  <TASK>
[   68.970945][ T2050]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.971198][ T2050]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.971545][ T2050]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.971744][ T2050]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.971939][ T2050]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.972187][ T2050]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.972487][ T2050]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   68.972685][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.972883][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.973085][ T2050]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.973286][ T2050]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.973588][ T2050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.973824][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.974020][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.974222][ T2050]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.974525][ T2050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.974722][ T2050]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.974952][ T2050]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   68.975155][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.975463][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.975664][ T2050]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.975861][ T2050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.976063][ T2050]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.976265][ T2050]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.976562][ T2050]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.976759][ T2050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.976959][ T2050]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.977162][ T2050]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.977463][ T2050]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.977663][ T2050]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.977859][ T2050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.978061][ T2050]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.978269][ T2050]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.978569][ T2050]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.978770][ T2050]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.978971][ T2050]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.979169][ T2050]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.979481][ T2050]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.979682][ T2050]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.979881][ T2050]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.980085][ T2050]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.980282][ T2050]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.980587][ T2050]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.980840][ T2050]  ? move_addr_to_kernel (net/socket.c:258)
[   68.981040][ T2050]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.981241][ T2050]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.981541][ T2050]  ___sys_sendmsg (net/socket.c:2752)
[   68.981740][ T2050]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.981988][ T2050]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.982209][ T2050]  __sys_sendmsg (net/socket.c:2784)
[   68.982533][ T2050]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.982729][ T2050]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.982980][ T2050]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.983182][ T2050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.983713][ T2050]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.983927][ T2050]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.984126][ T2050]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.984418][ T2050]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.984760][ T2050] RIP: 0033:0x7f2482a7c08e
[   68.984968][ T2050] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.985781][ T2050] RSP: 002b:00007fffd4aaff40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.986083][ T2050] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2482a7c08e
[   68.986483][ T2050] RDX: 0000000000000000 RSI: 00007fffd4aafff0 RDI: 0000000000000005
[   68.986778][ T2050] RBP: 00007fffd4aaff50 R08: 0000000000000000 R09: 0000000000000000
[   68.987062][ T2050] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9b
[   68.987464][ T2050] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd4ab06c0
| [   69.056020][ T2051] ------------[ cut here ]------------
| [   69.056269][ T2051] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2051
| [   69.056718][ T2051] Modules linked in: netdevsim
| [   69.057404][ T2051] Tainted: [W]=WARN
[   69.057575][ T2051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.057844][ T2051] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.058123][ T2051] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.058891][ T2051] RSP: 0018:ffa0000004e77010 EFLAGS: 00010286
[   69.059170][ T2051] RAX: 00000000ffffffa6 RBX: ff1100000c6910c0 RCX: 1ff40000009cedc8
[   69.059670][ T2051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c691170
[   69.059993][ T2051] RBP: ff1100000eff4000 R08: 1fe22000018d222f R09: ff1100000c6bae80
[   69.060312][ T2051] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   69.060760][ T2051] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004e77100
[   69.061186][ T2051] FS:  00007f3c2b052840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   69.061708][ T2051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.061983][ T2051] CR2: 00007f3c2b3221a0 CR3: 000000000f98e005 CR4: 0000000000771ef0
[   69.062307][ T2051] PKRU: 55555554
[   69.062499][ T2051] Call Trace:
[   69.062662][ T2051]  <TASK>
[   69.062776][ T2051]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.063004][ T2051]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.063170][ T2051]  netif_close_many (net/core/dev.c:1804)
[   69.063401][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.063625][ T2051]  ? __dev_close_many (net/core/dev.c:1781)
[   69.063843][ T2051]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.064062][ T2051]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.064294][ T2051]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.069200][ T2051]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   69.069504][ T2051]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.069730][ T2051]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.070012][ T2051]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.070238][ T2051]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.070484][ T2051]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   69.070763][ T2051]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   69.070981][ T2051]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.071205][ T2051]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   69.071428][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.071650][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.071869][ T2051]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   69.072086][ T2051]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.072304][ T2051]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.072580][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.072801][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.073019][ T2051]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.073235][ T2051]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.073464][ T2051]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.073681][ T2051]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   69.073903][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.074125][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.074351][ T2051]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   69.074566][ T2051]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.074784][ T2051]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   69.074999][ T2051]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.075222][ T2051]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.075458][ T2051]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.075676][ T2051]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.075900][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.076118][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.076349][ T2051]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.076574][ T2051]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.076796][ T2051]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.077026][ T2051]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.077245][ T2051]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.077482][ T2051]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.077699][ T2051]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.077923][ T2051]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.078148][ T2051]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.078408][ T2051]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.078607][ T2051]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.078834][ T2051]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.079058][ T2051]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.079284][ T2051]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.079568][ T2051]  ? move_addr_to_kernel (net/socket.c:258)
[   69.079799][ T2051]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.080017][ T2051]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.080240][ T2051]  ___sys_sendmsg (net/socket.c:2752)
[   69.080471][ T2051]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.080741][ T2051]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.080985][ T2051]  __sys_sendmsg (net/socket.c:2784)
[   69.081199][ T2051]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.081428][ T2051]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.081711][ T2051]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.081932][ T2051]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.082154][ T2051]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.082384][ T2051]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.082615][ T2051]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.082841][ T2051]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.083118][ T2051] RIP: 0033:0x7f3c2b28c08e
[   69.083364][ T2051] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.084156][ T2051] RSP: 002b:00007ffd8ec641f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.084510][ T2051] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3c2b28c08e
[   69.084840][ T2051] RDX: 0000000000000000 RSI: 00007ffd8ec642a0 RDI: 0000000000000005
[   69.085161][ T2051] RBP: 00007ffd8ec64200 R08: 0000000000000000 R09: 0000000000000000
[   69.085510][ T2051] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9b
[   69.085840][ T2051] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ec64970
| [   69.094035][ T2051] ------------[ cut here ]------------
| [   69.094253][ T2051] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2051
| [   69.094700][ T2051] Modules linked in: netdevsim
| [   69.095340][ T2051] Tainted: [W]=WARN
[   69.095507][ T2051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.095761][ T2051] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.096032][ T2051] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.096766][ T2051] RSP: 0018:ffa0000004e77190 EFLAGS: 00010286
[   69.097026][ T2051] RAX: 00000000ffffffa6 RBX: ff11000004ec10c0 RCX: 1ff40000009cedf8
[   69.097339][ T2051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1170
[   69.097639][ T2051] RBP: ff1100000eff4000 R08: 1fe22000009d822f R09: ff1100000c6bae58
[   69.097944][ T2051] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.098246][ T2051] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.098664][ T2051] FS:  00007f3c2b052840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   69.099006][ T2051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.099255][ T2051] CR2: 00007f2482b121a0 CR3: 000000000f98e001 CR4: 0000000000771ef0
[   69.099661][ T2051] PKRU: 55555554
[   69.099815][ T2051] Call Trace:
[   69.099965][ T2051]  <TASK>
[   69.100070][ T2051]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.100427][ T2051]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.100793][ T2051]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.100990][ T2051]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.101185][ T2051]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   69.101584][ T2051]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.101790][ T2051]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   69.101992][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.102195][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.102564][ T2051]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   69.102760][ T2051]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.102961][ T2051]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.103197][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.103563][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.103762][ T2051]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.103961][ T2051]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.104165][ T2051]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.104536][ T2051]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   69.104741][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.104937][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.105132][ T2051]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   69.105497][ T2051]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.105702][ T2051]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   69.105906][ T2051]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.106103][ T2051]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.106302][ T2051]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.106532][ T2051]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.106732][ T2051]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.106929][ T2051]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.107132][ T2051]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.107337][ T2051]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.107539][ T2051]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.107739][ T2051]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.107935][ T2051]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.108138][ T2051]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.108347][ T2051]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.108541][ T2051]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.108741][ T2051]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.108949][ T2051]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.109153][ T2051]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.109365][ T2051]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.109568][ T2051]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.109761][ T2051]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.110007][ T2051]  ? move_addr_to_kernel (net/socket.c:258)
[   69.110211][ T2051]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.110424][ T2051]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.110629][ T2051]  ___sys_sendmsg (net/socket.c:2752)
[   69.110826][ T2051]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.111067][ T2051]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.111294][ T2051]  __sys_sendmsg (net/socket.c:2784)
[   69.111509][ T2051]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.111711][ T2051]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.111970][ T2051]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.112174][ T2051]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.112391][ T2051]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.112599][ T2051]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.112796][ T2051]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.112993][ T2051]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.113231][ T2051] RIP: 0033:0x7f3c2b28c08e
[   69.113454][ T2051] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.114166][ T2051] RSP: 002b:00007ffd8ec641f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.114480][ T2051] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3c2b28c08e
[   69.114777][ T2051] RDX: 0000000000000000 RSI: 00007ffd8ec642a0 RDI: 0000000000000005
[   69.115080][ T2051] RBP: 00007ffd8ec64200 R08: 0000000000000000 R09: 0000000000000000
[   69.115389][ T2051] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9b
[   69.115686][ T2051] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ec64970
| [   69.183489][ T2052] ------------[ cut here ]------------
| [   69.183698][ T2052] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2052
| [   69.184112][ T2052] Modules linked in: netdevsim
| [   69.185312][ T2052] Tainted: [W]=WARN
[   69.185428][ T2052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.185638][ T2052] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.185843][ T2052] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.186343][ T2052] RSP: 0018:ffa0000004e871b0 EFLAGS: 00010286
[   69.186533][ T2052] RAX: 00000000ffffffa6 RBX: ff11000010c7f0c0 RCX: 1ff40000009d0dfc
[   69.186743][ T2052] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010c7f170
[   69.186954][ T2052] RBP: ff1100000eec4000 R08: 1fe220000218fe2f R09: ff1100000df251a8
[   69.187163][ T2052] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.187389][ T2052] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   69.187606][ T2052] FS:  00007fcd9dd0d840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   69.187860][ T2052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.188036][ T2052] CR2: 00000000004a77b8 CR3: 000000000faee003 CR4: 0000000000771ef0
[   69.188247][ T2052] PKRU: 55555554
[   69.188361][ T2052] Call Trace:
[   69.188471][ T2052]  <TASK>
[   69.188544][ T2052]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.188688][ T2052]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.188828][ T2052]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.188968][ T2052]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.189076][ T2052]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   69.189248][ T2052]  __dev_notify_flags (net/core/dev.c:9787)
[   69.189584][ T2052]  ? netif_change_name (net/core/dev.c:1495)
[   69.189806][ T2052]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.190070][ T2052]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   69.190218][ T2052]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   69.190427][ T2052]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   69.190573][ T2052]  ? __dev_get_by_name (net/core/dev.c:883)
[   69.190712][ T2052]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   69.190862][ T2052]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   69.191007][ T2052]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.191147][ T2052]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.191287][ T2052]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.191499][ T2052]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.191664][ T2052]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.191804][ T2052]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.191954][ T2052]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.192101][ T2052]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.192246][ T2052]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.192401][ T2052]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.192565][ T2052]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.192705][ T2052]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.192850][ T2052]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.192994][ T2052]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.193133][ T2052]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.193274][ T2052]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.193421][ T2052]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.193571][ T2052]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.193712][ T2052]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.193857][ T2052]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.193997][ T2052]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.194137][ T2052]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.194280][ T2052]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.194427][ T2052]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.194580][ T2052]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.194723][ T2052]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.194864][ T2052]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.195006][ T2052]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.195180][ T2052]  ? move_addr_to_kernel (net/socket.c:258)
[   69.195332][ T2052]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.195537][ T2052]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   69.195745][ T2052]  ___sys_sendmsg (net/socket.c:2752)
[   69.195952][ T2052]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   69.196165][ T2052]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.196363][ T2052]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   69.196522][ T2052]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   69.196666][ T2052]  __sys_sendmsg (net/socket.c:2784)
[   69.196813][ T2052]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.196957][ T2052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.197105][ T2052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.197246][ T2052]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.197397][ T2052]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.197548][ T2052]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.197688][ T2052]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.197863][ T2052] RIP: 0033:0x7fcd9df4708e
[   69.198016][ T2052] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.198532][ T2052] RSP: 002b:00007fff49a06fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.198764][ T2052] RAX: ffffffffffffffda RBX: 00007fff49a07770 RCX: 00007fcd9df4708e
[   69.198977][ T2052] RDX: 0000000000000000 RSI: 00007fff49a07070 RDI: 0000000000000005
[   69.199188][ T2052] RBP: 00007fff49a06fd0 R08: 0000000000000000 R09: 0000000000000000
[   69.199408][ T2052] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9b
[   69.199622][ T2052] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff49a07740
| [   69.247386][ T2053] ------------[ cut here ]------------
| [   69.247676][ T2053] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2053
| [   69.248115][ T2053] Modules linked in: netdevsim
| [   69.249408][ T2053] Tainted: [W]=WARN
[   69.249593][ T2053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.249863][ T2053] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.250152][ T2053] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.250944][ T2053] RSP: 0018:ffa0000004e97020 EFLAGS: 00010286
[   69.251220][ T2053] RAX: 00000000ffffffa6 RBX: ff11000010c7f9c0 RCX: 1ff40000009d2dca
[   69.251562][ T2053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010c7fa70
[   69.251888][ T2053] RBP: ff1100000eec4000 R08: 1fe220000218ff4f R09: ff1100000ccb0b80
[   69.252214][ T2053] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   69.252564][ T2053] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   69.252888][ T2053] FS:  00007fdedaac7840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   69.253277][ T2053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.253566][ T2053] CR2: 000000003adf9988 CR3: 0000000010ebf003 CR4: 0000000000771ef0
[   69.253886][ T2053] PKRU: 55555554
[   69.254053][ T2053] Call Trace:
[   69.254218][ T2053]  <TASK>
[   69.254342][ T2053]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   69.254568][ T2053]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.254809][ T2053]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.254977][ T2053]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   69.255189][ T2053]  __dev_notify_flags (net/core/dev.c:9787)
[   69.255415][ T2053]  ? netif_change_name (net/core/dev.c:1495)
[   69.255638][ T2053]  ? __dev_change_flags (net/core/dev.c:9752)
[   69.255854][ T2053]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   69.256067][ T2053]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.256287][ T2053]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   69.256519][ T2053]  netif_change_flags (net/core/dev.c:9820)
[   69.256738][ T2053]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   69.256972][ T2053]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.257191][ T2053]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.257475][ T2053]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.257691][ T2053]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.257910][ T2053]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.258140][ T2053]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.258365][ T2053]  ? __kernel_text_address (kernel/extable.c:79)
[   69.258587][ T2053]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.258805][ T2053]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.259016][ T2053]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.259234][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.259467][ T2053]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.259681][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.259894][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.260108][ T2053]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.260321][ T2053]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   69.260552][ T2053]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.260766][ T2053]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.260987][ T2053]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.261222][ T2053]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.261456][ T2053]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.261672][ T2053]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.261886][ T2053]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.262105][ T2053]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.262324][ T2053]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.262553][ T2053]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.262792][ T2053]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.263009][ T2053]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.263224][ T2053]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.263453][ T2053]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.263670][ T2053]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.263883][ T2053]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.264097][ T2053]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.264312][ T2053]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.264543][ T2053]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.264766][ T2053]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.264979][ T2053]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.265195][ T2053]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.265415][ T2053]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.265630][ T2053]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.265850][ T2053]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.266077][ T2053]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.266304][ T2053]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.266537][ T2053]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.266750][ T2053]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.266965][ T2053]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.267183][ T2053]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.267422][ T2053]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.267651][ T2053]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.267868][ T2053]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.268080][ T2053]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.268364][ T2053]  ? move_addr_to_kernel (net/socket.c:258)
[   69.268591][ T2053]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.268808][ T2053]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.269028][ T2053]  ___sys_sendmsg (net/socket.c:2752)
[   69.269244][ T2053]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.269530][ T2053]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.269791][ T2053]  __sys_sendmsg (net/socket.c:2784)
[   69.270014][ T2053]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.270227][ T2053]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.270515][ T2053]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.270729][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.270942][ T2053]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.271161][ T2053]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.271392][ T2053]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.271613][ T2053]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.271881][ T2053] RIP: 0033:0x7fdedad0108e
[   69.272108][ T2053] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.272897][ T2053] RSP: 002b:00007ffe3c905170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.273227][ T2053] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdedad0108e
[   69.273573][ T2053] RDX: 0000000000000000 RSI: 00007ffe3c905220 RDI: 0000000000000005
[   69.273888][ T2053] RBP: 00007ffe3c905180 R08: 0000000000000000 R09: 0000000000000000
[   69.274214][ T2053] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9b
[   69.274564][ T2053] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3c9058f0
| [   69.389202][ T2055] ------------[ cut here ]------------
| [   69.390174][ T2055] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/2055
| [   69.390695][ T2055] Modules linked in: netdevsim
| [   69.391460][ T2055] Tainted: [W]=WARN
[   69.391649][ T2055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.391958][ T2055] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.392283][ T2055] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.393171][ T2055] RSP: 0018:ffa0000004eb7310 EFLAGS: 00010286
[   69.393498][ T2055] RAX: 00000000ffffffa6 RBX: ff11000004ec0f40 RCX: 1ff40000009d6e28
[   69.393875][ T2055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec0ff0
[   69.394241][ T2055] RBP: ff11000009472000 R08: 1fe22000009d81ff R09: ff11000010d90bd0
[   69.394630][ T2055] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   69.395002][ T2055] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.395372][ T2055] FS:  00007f468a73d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   69.395802][ T2055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.396111][ T2055] CR2: 00007f468acf2004 CR3: 000000000fb8c006 CR4: 0000000000771ef0
[   69.396494][ T2055] PKRU: 55555554
[   69.396681][ T2055] Call Trace:
[   69.396864][ T2055]  <TASK>
[   69.396994][ T2055]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.397311][ T2055]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.397625][ T2055]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   69.397876][ T2055]  ? netdev_run_todo (net/core/dev.c:11703)
[   69.398120][ T2055]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.398380][ T2055]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   69.398813][ T2055]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   69.399061][ T2055]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.399307][ T2055]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   69.399573][ T2055] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   69.399821][ T2055]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.400061][ T2055] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   69.400378][ T2055] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   69.400697][ T2055] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   69.401002][ T2055]  devlink_reload (net/devlink/dev.c:462)
[   69.401251][ T2055]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   69.401511][ T2055]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   69.401820][ T2055]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   69.402066][ T2055]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   69.402379][ T2055]  ? __nla_validate_parse (lib/nlattr.c:635)
[   69.402627][ T2055]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   69.402868][ T2055]  ? __nla_parse (lib/nlattr.c:732)
[   69.403117][ T2055]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   69.403374][ T2055]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   69.403693][ T2055]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.403938][ T2055]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   69.404183][ T2055]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   69.404449][ T2055]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   69.404700][ T2055]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   69.405007][ T2055]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.405312][ T2055]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   69.405575][ T2055]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   69.405819][ T2055]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   69.406060][ T2055]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.406337][ T2055]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   69.406593][ T2055]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.406837][ T2055]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   69.407082][ T2055]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.407348][ T2055]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.407603][ T2055]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.407860][ T2055]  genl_rcv (net/netlink/genetlink.c:1218)
[   69.408047][ T2055]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.408296][ T2055]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.408555][ T2055]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.408806][ T2055]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.409054][ T2055]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.409298][ T2055]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.409561][ T2055]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.409814][ T2055]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   69.410060][ T2055]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   69.410341][ T2055]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   69.410590][ T2055]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.410894][ T2055]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.411139][ T2055]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.411391][ T2055]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.411642][ T2055]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.411894][ T2055]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.412139][ T2055]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.412456][ T2055] RIP: 0033:0x7f468a97708e
[   69.412720][ T2055] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.413606][ T2055] RSP: 002b:00007ffd26dce060 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   69.413979][ T2055] RAX: ffffffffffffffda RBX: 00000000368db980 RCX: 00007f468a97708e
[   69.414355][ T2055] RDX: 0000000000000038 RSI: 00000000368dbba0 RDI: 0000000000000005
[   69.414726][ T2055] RBP: 00007ffd26dce070 R08: 00007f468ac2b980 R09: 000000000000000c
[   69.415096][ T2055] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   69.415480][ T2055] R13: 00000000368db980 R14: 0000000000000000 R15: 0000000000000003
| [   69.477051][ T2055] ------------[ cut here ]------------
| [   69.477364][ T2055] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/2055
| [   69.477883][ T2055] Modules linked in: netdevsim
| [   69.478680][ T2055] Tainted: [W]=WARN
[   69.478878][ T2055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.479184][ T2055] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.479536][ T2055] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.480440][ T2055] RSP: 0018:ffa0000004eb7268 EFLAGS: 00010286
[   69.480763][ T2055] RAX: 00000000ffffffa6 RBX: ff1100000538dcc0 RCX: 1ff40000009d6e13
[   69.481161][ T2055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000538dd70
[   69.481550][ T2055] RBP: ff1100000af52000 R08: 1fe2200000a71baf R09: ff11000010d90bd0
[   69.481928][ T2055] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   69.482300][ T2055] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000af52000
[   69.482692][ T2055] FS:  00007f468a73d840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   69.483130][ T2055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.483474][ T2055] CR2: 00007f468acf2004 CR3: 000000000fb8c006 CR4: 0000000000771ef0
[   69.483850][ T2055] PKRU: 55555554
[   69.484038][ T2055] Call Trace:
[   69.484237][ T2055]  <TASK>
[   69.484378][ T2055]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.484644][ T2055]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.484842][ T2055]  register_netdevice (net/core/dev.c:11488)
[   69.485095][ T2055]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.485489][ T2055]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   69.485746][ T2055] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   69.486073][ T2055] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   69.486337][ T2055] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   69.486659][ T2055]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   69.486907][ T2055]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   69.487222][ T2055]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   69.487479][ T2055]  ? static_obj (kernel/locking/lockdep.c:858)
[   69.487670][ T2055]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   69.487925][ T2055]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   69.488242][ T2055] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   69.488569][ T2055]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   69.488880][ T2055]  devlink_reload (net/devlink/dev.c:475)
[   69.489130][ T2055]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   69.489383][ T2055]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   69.489704][ T2055]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   69.489954][ T2055]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   69.490261][ T2055]  ? __nla_validate_parse (lib/nlattr.c:635)
[   69.490524][ T2055]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   69.490771][ T2055]  ? __nla_parse (lib/nlattr.c:732)
[   69.491027][ T2055]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   69.491264][ T2055]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   69.491570][ T2055]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.491822][ T2055]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   69.492069][ T2055]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   69.492323][ T2055]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   69.492587][ T2055]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   69.492889][ T2055]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.493202][ T2055]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   69.493463][ T2055]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   69.493731][ T2055]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   69.493982][ T2055]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.494235][ T2055]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   69.494504][ T2055]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.494755][ T2055]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   69.495003][ T2055]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.495259][ T2055]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.495515][ T2055]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.495767][ T2055]  genl_rcv (net/netlink/genetlink.c:1218)
[   69.495957][ T2055]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.496209][ T2055]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.496474][ T2055]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.496727][ T2055]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.496975][ T2055]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.497228][ T2055]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.497493][ T2055]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.497745][ T2055]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   69.497992][ T2055]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   69.498270][ T2055]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   69.498534][ T2055]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.498857][ T2055]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.499109][ T2055]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.499365][ T2055]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.499619][ T2055]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.499864][ T2055]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.500106][ T2055]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.500412][ T2055] RIP: 0033:0x7f468a97708e
[   69.500673][ T2055] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.501555][ T2055] RSP: 002b:00007ffd26dce060 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   69.501936][ T2055] RAX: ffffffffffffffda RBX: 00000000368db980 RCX: 00007f468a97708e
[   69.502301][ T2055] RDX: 0000000000000038 RSI: 00000000368dbba0 RDI: 0000000000000005
[   69.502695][ T2055] RBP: 00007ffd26dce070 R08: 00007f468ac2b980 R09: 000000000000000c
[   69.503061][ T2055] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   69.503444][ T2055] R13: 00000000368db980 R14: 0000000000000000 R15: 0000000000000003
| [   70.467523][ T2079] ------------[ cut here ]------------
| [   70.467819][ T2079] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/2079
| [   70.468299][ T2079] Modules linked in: netdevsim
| [   70.469080][ T2079] Tainted: [W]=WARN
[   70.469264][ T2079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.469593][ T2079] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.469910][ T2079] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.470818][ T2079] RSP: 0018:ffa0000004e87310 EFLAGS: 00010286
[   70.471130][ T2079] RAX: 00000000ffffffa6 RBX: ff1100000ed6fe40 RCX: 1ff40000009d0e28
[   70.471508][ T2079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed6fef0
[   70.471861][ T2079] RBP: ff1100000af52000 R08: 1fe2200001dadfdf R09: ff11000010f42ed0
[   70.472213][ T2079] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.472591][ T2079] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   70.472963][ T2079] FS:  00007f8908ee4840(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   70.473395][ T2079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.473702][ T2079] CR2: 00007f8909499004 CR3: 000000000f6a3006 CR4: 0000000000771ef0
[   70.474069][ T2079] PKRU: 55555554
[   70.474250][ T2079] Call Trace:
[   70.474586][ T2079]  <TASK>
[   70.474720][ T2079]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   70.475031][ T2079]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   70.475323][ T2079]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   70.475583][ T2079]  ? netdev_run_todo (net/core/dev.c:11703)
[   70.475825][ T2079]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   70.476087][ T2079]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   70.476335][ T2079]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   70.476583][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.476818][ T2079]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   70.477068][ T2079] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   70.477300][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.477558][ T2079] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   70.477865][ T2079] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   70.478177][ T2079] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   70.478500][ T2079]  devlink_reload (net/devlink/dev.c:462)
[   70.478743][ T2079]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   70.478984][ T2079]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   70.479288][ T2079]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   70.479554][ T2079]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   70.479854][ T2079]  ? __nla_validate_parse (lib/nlattr.c:635)
[   70.480097][ T2079]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   70.480349][ T2079]  ? __nla_parse (lib/nlattr.c:732)
[   70.480604][ T2079]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   70.480847][ T2079]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   70.481158][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.481407][ T2079]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   70.481651][ T2079]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   70.481894][ T2079]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   70.482150][ T2079]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   70.482457][ T2079]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.482747][ T2079]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   70.482989][ T2079]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   70.483234][ T2079]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   70.483491][ T2079]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.483736][ T2079]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   70.483978][ T2079]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.484215][ T2079]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   70.484470][ T2079]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.484729][ T2079]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   70.484977][ T2079]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   70.485220][ T2079]  genl_rcv (net/netlink/genetlink.c:1218)
[   70.485408][ T2079]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.485662][ T2079]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.485907][ T2079]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.486158][ T2079]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.486410][ T2079]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.486661][ T2079]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.486906][ T2079]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.487153][ T2079]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   70.487403][ T2079]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   70.487678][ T2079]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   70.487919][ T2079]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   70.488210][ T2079]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.488462][ T2079]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.488701][ T2079]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.488938][ T2079]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.489179][ T2079]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.489434][ T2079]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.489735][ T2079] RIP: 0033:0x7f890911e08e
[   70.489986][ T2079] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.490865][ T2079] RSP: 002b:00007ffec1800c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   70.491225][ T2079] RAX: ffffffffffffffda RBX: 000000000336a980 RCX: 00007f890911e08e
[   70.491605][ T2079] RDX: 0000000000000038 RSI: 000000000336aba0 RDI: 0000000000000005
[   70.491966][ T2079] RBP: 00007ffec1800c60 R08: 00007f89093d2980 R09: 000000000000000c
[   70.492335][ T2079] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   70.492701][ T2079] R13: 000000000336a980 R14: 0000000000000000 R15: 0000000000000003
| [   70.628098][ T2081] ------------[ cut here ]------------
| [   70.629071][ T2081] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2081
| [   70.629552][ T2081] Modules linked in: netdevsim
| [   70.630311][ T2081] Tainted: [W]=WARN
[   70.630550][ T2081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.630848][ T2081] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.631170][ T2081] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.631962][ T2081] RSP: 0018:ffa0000004ae7010 EFLAGS: 00010286
[   70.632280][ T2081] RAX: 00000000ffffffa6 RBX: ff110000093deac0 RCX: 1ff400000095cdc8
[   70.632664][ T2081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093deb70
[   70.633025][ T2081] RBP: ff1100000eec4000 R08: 1fe220000127bd6f R09: ff11000004d2ae80
[   70.633405][ T2081] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   70.633813][ T2081] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000004ae7100
[   70.634187][ T2081] FS:  00007ff93f4f1840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   70.634645][ T2081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.634972][ T2081] CR2: 00007ff93f7c11a0 CR3: 000000000c618003 CR4: 0000000000771ef0
[   70.635372][ T2081] PKRU: 55555554
[   70.635596][ T2081] Call Trace:
[   70.635806][ T2081]  <TASK>
[   70.635970][ T2081]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.636243][ T2081]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.636494][ T2081]  netif_close_many (net/core/dev.c:1804)
[   70.636765][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.637035][ T2081]  ? __dev_close_many (net/core/dev.c:1781)
[   70.637294][ T2081]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.637575][ T2081]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   70.637830][ T2081]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   70.638081][ T2081]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   70.638411][ T2081]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.638683][ T2081]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   70.638995][ T2081]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   70.639256][ T2081]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   70.639543][ T2081]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   70.639858][ T2081]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   70.640124][ T2081]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.640411][ T2081]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   70.640684][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.640945][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.641203][ T2081]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   70.641489][ T2081]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.641752][ T2081]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.642053][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.642312][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.642600][ T2081]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.642863][ T2081]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.643127][ T2081]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.643405][ T2081]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   70.643675][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.643929][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.644191][ T2081]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   70.644480][ T2081]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.644747][ T2081]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   70.645010][ T2081]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.645278][ T2081]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.645562][ T2081]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.645823][ T2081]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.646084][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.646358][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.646638][ T2081]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.646901][ T2081]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.647167][ T2081]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.647462][ T2081]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   70.647727][ T2081]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   70.647995][ T2081]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.648257][ T2081]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.648546][ T2081]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.648812][ T2081]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.649087][ T2081]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.649372][ T2081]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.649654][ T2081]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.649914][ T2081]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.650182][ T2081]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.650524][ T2081]  ? move_addr_to_kernel (net/socket.c:258)
[   70.650783][ T2081]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.651044][ T2081]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.651308][ T2081]  ___sys_sendmsg (net/socket.c:2752)
[   70.651600][ T2081]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.651927][ T2081]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.652219][ T2081]  __sys_sendmsg (net/socket.c:2784)
[   70.652516][ T2081]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.652776][ T2081]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.653095][ T2081]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.653380][ T2081]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.653653][ T2081]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.653918][ T2081]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.654178][ T2081]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.654531][ T2081]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.654847][ T2081] RIP: 0033:0x7ff93f72b08e
[   70.655138][ T2081] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.655964][ T2081] RSP: 002b:00007ffebcddfc60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.656378][ T2081] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff93f72b08e
[   70.656794][ T2081] RDX: 0000000000000000 RSI: 00007ffebcddfd10 RDI: 0000000000000005
[   70.657157][ T2081] RBP: 00007ffebcddfc70 R08: 0000000000000000 R09: 0000000000000000
[   70.657566][ T2081] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9c
[   70.657935][ T2081] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcde03e0
| [   70.676130][ T2081] ------------[ cut here ]------------
| [   70.676373][ T2081] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2081
| [   70.676734][ T2081] Modules linked in: netdevsim
| [   70.677266][ T2081] Tainted: [W]=WARN
[   70.677417][ T2081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.677616][ T2081] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.677848][ T2081] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.678592][ T2081] RSP: 0018:ffa0000004ae7190 EFLAGS: 00010286
[   70.678848][ T2081] RAX: 00000000ffffffa6 RBX: ff11000004ec13c0 RCX: 1ff400000095cdf8
[   70.679150][ T2081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ec1470
[   70.679473][ T2081] RBP: ff1100000eec4000 R08: 1fe22000009d828f R09: ff11000004d2ae58
[   70.679754][ T2081] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   70.679952][ T2081] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   70.680156][ T2081] FS:  00007ff93f4f1840(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   70.680412][ T2081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.680587][ T2081] CR2: 000055fc190b9bb8 CR3: 000000000c618001 CR4: 0000000000771ef0
[   70.680792][ T2081] PKRU: 55555554
[   70.680896][ T2081] Call Trace:
[   70.680994][ T2081]  <TASK>
[   70.681062][ T2081]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   70.681229][ T2081]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   70.681395][ T2081]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   70.681531][ T2081]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   70.681662][ T2081]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   70.681834][ T2081]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.681967][ T2081]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   70.682095][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.682224][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.682360][ T2081]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   70.682495][ T2081]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.682623][ T2081]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.682777][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.682906][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.683035][ T2081]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.683163][ T2081]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.683296][ T2081]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.683433][ T2081]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   70.683569][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.683699][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.683835][ T2081]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   70.683966][ T2081]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.684104][ T2081]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   70.684233][ T2081]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.684372][ T2081]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.684511][ T2081]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.684642][ T2081]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.684775][ T2081]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.684919][ T2081]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.685059][ T2081]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.685193][ T2081]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.685324][ T2081]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.685470][ T2081]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   70.685601][ T2081]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   70.685733][ T2081]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.685862][ T2081]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.685989][ T2081]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.686124][ T2081]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.686253][ T2081]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.686392][ T2081]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.686530][ T2081]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.686659][ T2081]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.686792][ T2081]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.686952][ T2081]  ? move_addr_to_kernel (net/socket.c:258)
[   70.687088][ T2081]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.687218][ T2081]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.687353][ T2081]  ___sys_sendmsg (net/socket.c:2752)
[   70.687485][ T2081]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.687645][ T2081]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.687789][ T2081]  __sys_sendmsg (net/socket.c:2784)
[   70.687927][ T2081]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.688061][ T2081]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.688223][ T2081]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.688355][ T2081]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.688490][ T2081]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.688623][ T2081]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.688753][ T2081]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.688881][ T2081]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.689041][ T2081] RIP: 0033:0x7ff93f72b08e
[   70.689178][ T2081] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.689662][ T2081] RSP: 002b:00007ffebcddfc60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.689858][ T2081] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff93f72b08e
[   70.690050][ T2081] RDX: 0000000000000000 RSI: 00007ffebcddfd10 RDI: 0000000000000005
[   70.690241][ T2081] RBP: 00007ffebcddfc70 R08: 0000000000000000 R09: 0000000000000000
[   70.690455][ T2081] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9c
[   70.690650][ T2081] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcde03e0
| [   70.807068][ T2083] ------------[ cut here ]------------
| [   70.807463][ T2083] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/2083
| [   70.808037][ T2083] Modules linked in: netdevsim
| [   70.808966][ T2083] Tainted: [W]=WARN
[   70.809215][ T2083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.809618][ T2083] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.810010][ T2083] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.810987][ T2083] RSP: 0018:ffa0000005017268 EFLAGS: 00010286
[   70.811370][ T2083] RAX: 00000000ffffffa6 RBX: ff1100000c1947c0 RCX: 1ff4000000a02e13
[   70.811794][ T2083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c194870
[   70.812219][ T2083] RBP: ff11000009e2a000 R08: 1fe220000183290f R09: ff1100000ae68bd0
[   70.812653][ T2083] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   70.813054][ T2083] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e2a000
[   70.813479][ T2083] FS:  00007faf252d5840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   70.813942][ T2083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.814308][ T2083] CR2: 00007faf2588a004 CR3: 0000000010efe006 CR4: 0000000000771ef0
[   70.814758][ T2083] PKRU: 55555554
[   70.814991][ T2083] Call Trace:
[   70.815220][ T2083]  <TASK>
[   70.815412][ T2083]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.815718][ T2083]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.815953][ T2083]  register_netdevice (net/core/dev.c:11488)
[   70.816244][ T2083]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.816617][ T2083]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   70.816914][ T2083] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   70.817272][ T2083] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   70.817588][ T2083] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   70.817932][ T2083]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   70.818218][ T2083]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   70.818602][ T2083]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   70.818886][ T2083]  ? static_obj (kernel/locking/lockdep.c:858)
[   70.819118][ T2083]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   70.819430][ T2083]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   70.819787][ T2083] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   70.820132][ T2083]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   70.820497][ T2083]  devlink_reload (net/devlink/dev.c:475)
[   70.820791][ T2083]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   70.821078][ T2083]  ? devlink_resources_validate (net/devlink/resource.c:471)
[   70.821438][ T2083]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   70.821732][ T2083]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   70.822070][ T2083]  ? __nla_validate_parse (lib/nlattr.c:635)
[   70.822376][ T2083]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   70.822677][ T2083]  ? __nla_parse (lib/nlattr.c:732)
[   70.822965][ T2083]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   70.823242][ T2083]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   70.823597][ T2083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.823882][ T2083]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   70.824180][ T2083]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   70.824505][ T2083]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   70.824824][ T2083]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   70.825191][ T2083]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.825571][ T2083]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   70.825864][ T2083]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   70.826165][ T2083]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   70.826497][ T2083]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.826837][ T2083]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   70.827154][ T2083]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.827484][ T2083]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   70.827786][ T2083]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.828096][ T2083]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   70.828414][ T2083]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   70.828735][ T2083]  genl_rcv (net/netlink/genetlink.c:1218)
[   70.828979][ T2083]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.829297][ T2083]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.829624][ T2083]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.829935][ T2083]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.830236][ T2083]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.830564][ T2083]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.830874][ T2083]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.831185][ T2083]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   70.831518][ T2083]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   70.831859][ T2083]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   70.832159][ T2083]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   70.832544][ T2083]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.832854][ T2083]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.833160][ T2083]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.833488][ T2083]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.833791][ T2083]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.834093][ T2083]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.834492][ T2083] RIP: 0033:0x7faf2550f08e
[   70.834817][ T2083] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.835791][ T2083] RSP: 002b:00007ffc80f33d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   70.836222][ T2083] RAX: ffffffffffffffda RBX: 00000000341bf980 RCX: 00007faf2550f08e
[   70.836672][ T2083] RDX: 0000000000000038 RSI: 00000000341bfba0 RDI: 0000000000000005
[   70.837102][ T2083] RBP: 00007ffc80f33d10 R08: 00007faf257c3980 R09: 000000000000000c
[   70.837554][ T2083] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   70.837944][ T2083] R13: 00000000341bf980 R14: 0000000000000000 R15: 0000000000000003
| [   70.945324][ T2093] ------------[ cut here ]------------
| [   70.945608][ T2093] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2093
| [   70.946049][ T2093] Modules linked in: netdevsim
| [   70.946745][ T2093] Tainted: [W]=WARN
[   70.946910][ T2093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.947189][ T2093] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.947494][ T2093] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.948280][ T2093] RSP: 0018:ffa00000050771b0 EFLAGS: 00010286
[   70.948572][ T2093] RAX: 00000000ffffffa6 RBX: ff1100000c195840 RCX: 1ff4000000a0edfc
[   70.948899][ T2093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1958f0
[   70.949226][ T2093] RBP: ff11000010d39000 R08: 1fe2200001832b1f R09: ff11000004f2aea8
[   70.949522][ T2093] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   70.949844][ T2093] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   70.950174][ T2093] FS:  00007fe904b84840(0000) GS:ff11000096905000(0000) knlGS:0000000000000000
[   70.950574][ T2093] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.950856][ T2093] CR2: 00000000004a77b8 CR3: 000000000f71d003 CR4: 0000000000771ef0
[   70.951170][ T2093] PKRU: 55555554
[   70.951340][ T2093] Call Trace:
[   70.951508][ T2093]  <TASK>
[   70.951626][ T2093]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.951850][ T2093]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.952072][ T2093]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.952291][ T2093]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.952473][ T2093]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   70.952689][ T2093]  __dev_notify_flags (net/core/dev.c:9787)
[   70.952925][ T2093]  ? netif_change_name (net/core/dev.c:1495)
[   70.953161][ T2093]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.953449][ T2093]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   70.953671][ T2093]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   70.953892][ T2093]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   70.954114][ T2093]  ? __dev_get_by_name (net/core/dev.c:883)
[   70.954343][ T2093]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   70.954578][ T2093]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   70.954804][ T2093]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.955029][ T2093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.955245][ T2093]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.955480][ T2093]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.955700][ T2093]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.955921][ T2093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.956150][ T2093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.956381][ T2093]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.956605][ T2093]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.956830][ T2093]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.957054][ T2093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.957273][ T2093]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.957517][ T2093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.957734][ T2093]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.957954][ T2093]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.958172][ T2093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.958397][ T2093]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.958630][ T2093]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   70.958848][ T2093]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   70.959072][ T2093]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.959295][ T2093]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.959536][ T2093]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.959760][ T2093]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.959981][ T2093]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.960200][ T2093]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.960435][ T2093]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.960660][ T2093]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.960885][ T2093]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.961157][ T2093]  ? move_addr_to_kernel (net/socket.c:258)
[   70.961383][ T2093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.961610][ T2093]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   70.961835][ T2093]  ___sys_sendmsg (net/socket.c:2752)
[   70.962052][ T2093]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   70.962276][ T2093]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.962522][ T2093]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   70.962750][ T2093]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   70.962980][ T2093]  __sys_sendmsg (net/socket.c:2784)
[   70.963200][ T2093]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.963437][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.963660][ T2093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.963884][ T2093]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.964110][ T2093]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.964346][ T2093]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.964573][ T2093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.964834][ T2093] RIP: 0033:0x7fe904dbe08e
[   70.965058][ T2093] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.965842][ T2093] RSP: 002b:00007ffff8295530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.966172][ T2093] RAX: ffffffffffffffda RBX: 00007ffff8295ce0 RCX: 00007fe904dbe08e
[   70.966515][ T2093] RDX: 0000000000000000 RSI: 00007ffff82955e0 RDI: 0000000000000005
[   70.966839][ T2093] RBP: 00007ffff8295540 R08: 0000000000000000 R09: 0000000000000000
[   70.967176][ T2093] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9d
[   70.967521][ T2093] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff8295cb0
| [   71.007972][ T2094] ------------[ cut here ]------------
| [   71.008195][ T2094] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2094
| [   71.008554][ T2094] Modules linked in: netdevsim
| [   71.009265][ T2094] Tainted: [W]=WARN
[   71.009502][ T2094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.009802][ T2094] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.010124][ T2094] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.010712][ T2094] RSP: 0018:ffa0000005087020 EFLAGS: 00010286
[   71.010934][ T2094] RAX: 00000000ffffffa6 RBX: ff110000093df0c0 RCX: 1ff4000000a10dca
[   71.011187][ T2094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093df170
[   71.011462][ T2094] RBP: ff11000010d39000 R08: 1fe220000127be2f R09: ff11000004f2d180
[   71.011732][ T2094] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   71.011982][ T2094] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   71.012233][ T2094] FS:  00007fb59f29d840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   71.012548][ T2094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.012781][ T2094] CR2: 000000001d4c8988 CR3: 0000000010e5f001 CR4: 0000000000771ef0
[   71.013037][ T2094] PKRU: 55555554
[   71.013189][ T2094] Call Trace:
[   71.013359][ T2094]  <TASK>
[   71.013489][ T2094]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.013692][ T2094]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.013849][ T2094]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.014039][ T2094]  __dev_notify_flags (net/core/dev.c:9787)
[   71.014234][ T2094]  ? netif_change_name (net/core/dev.c:1495)
[   71.014436][ T2094]  ? __dev_change_flags (net/core/dev.c:9752)
[   71.014635][ T2094]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   71.014822][ T2094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.015014][ T2094]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   71.015201][ T2094]  netif_change_flags (net/core/dev.c:9820)
[   71.015402][ T2094]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   71.015600][ T2094]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   71.015787][ T2094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   71.016011][ T2094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.016200][ T2094]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.016399][ T2094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.016594][ T2094]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.016785][ T2094]  ? __kernel_text_address (kernel/extable.c:79)
[   71.016972][ T2094]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.017159][ T2094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.017358][ T2094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.017564][ T2094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.017770][ T2094]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.017966][ T2094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.018164][ T2094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.018376][ T2094]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   71.018580][ T2094]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   71.018779][ T2094]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   71.018969][ T2094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.019162][ T2094]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   71.019363][ T2094]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   71.019560][ T2094]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.019754][ T2094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.019943][ T2094]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.020136][ T2094]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.020339][ T2094]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.020538][ T2094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.020727][ T2094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.020912][ T2094]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.021098][ T2094]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.021285][ T2094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.021495][ T2094]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.021680][ T2094]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.021867][ T2094]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.022072][ T2094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.022274][ T2094]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.022511][ T2094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.022765][ T2094]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.022965][ T2094]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.023153][ T2094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.023357][ T2094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.023557][ T2094]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   71.023742][ T2094]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   71.023932][ T2094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.024124][ T2094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.024345][ T2094]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.024609][ T2094]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.024870][ T2094]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.025128][ T2094]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.025413][ T2094]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.025625][ T2094]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.025811][ T2094]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.026036][ T2094]  ? move_addr_to_kernel (net/socket.c:258)
[   71.026225][ T2094]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.026429][ T2094]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.026629][ T2094]  ___sys_sendmsg (net/socket.c:2752)
[   71.026817][ T2094]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   71.027045][ T2094]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.027245][ T2094]  __sys_sendmsg (net/socket.c:2784)
[   71.027463][ T2094]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.027651][ T2094]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   71.027874][ T2094]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.028067][ T2094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.028257][ T2094]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.028462][ T2094]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.028648][ T2094]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.028834][ T2094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.029056][ T2094] RIP: 0033:0x7fb59f4d708e
[   71.029250][ T2094] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   71.029811][ T2094] RSP: 002b:00007ffef2ea88f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.030073][ T2094] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb59f4d708e
[   71.030340][ T2094] RDX: 0000000000000000 RSI: 00007ffef2ea89a0 RDI: 0000000000000005
[   71.030601][ T2094] RBP: 00007ffef2ea8900 R08: 0000000000000000 R09: 0000000000000000
[   71.030859][ T2094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9d
[   71.031113][ T2094] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef2ea9070
| [   71.161524][ T2097] ------------[ cut here ]------------
| [   71.161754][ T2097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2097
| [   71.162079][ T2097] Modules linked in: netdevsim
| [   71.162982][ T2097] Tainted: [W]=WARN
[   71.163135][ T2097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.163373][ T2097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.163612][ T2097] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.164143][ T2097] RSP: 0018:ffa0000005097010 EFLAGS: 00010286
[   71.164376][ T2097] RAX: 00000000ffffffa6 RBX: ff1100000cf72ac0 RCX: 1ff4000000a12dc8
[   71.164633][ T2097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf72b70
[   71.164888][ T2097] RBP: ff11000010d39000 R08: 1fe22000019ee56f R09: ff1100000c6bae80
[   71.165137][ T2097] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   71.165399][ T2097] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000005097100
[   71.165659][ T2097] FS:  00007f07ef566840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   71.165942][ T2097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.166167][ T2097] CR2: 0000000029d65988 CR3: 0000000004c1f003 CR4: 0000000000771ef0
[   71.166434][ T2097] PKRU: 55555554
[   71.166593][ T2097] Call Trace:
[   71.166743][ T2097]  <TASK>
[   71.166861][ T2097]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.167049][ T2097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.167201][ T2097]  netif_close_many (net/core/dev.c:1804)
[   71.167400][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.167594][ T2097]  ? __dev_close_many (net/core/dev.c:1781)
[   71.167778][ T2097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.167963][ T2097]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.168147][ T2097]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.168341][ T2097]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   71.168596][ T2097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.168847][ T2097]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.169066][ T2097]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.169252][ T2097]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.169453][ T2097]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.169671][ T2097]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.169855][ T2097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.170089][ T2097]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   71.170359][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.170625][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.170882][ T2097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   71.171107][ T2097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.171366][ T2097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.171575][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.171757][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.172031][ T2097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.172291][ T2097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.172567][ T2097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.172816][ T2097]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   71.173011][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.173194][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.173392][ T2097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   71.173585][ T2097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.173780][ T2097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   71.173969][ T2097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.174155][ T2097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.174366][ T2097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.174558][ T2097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.174744][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.174925][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.175115][ T2097]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.175309][ T2097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.175527][ T2097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.175717][ T2097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   71.175900][ T2097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   71.176092][ T2097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.176282][ T2097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.176489][ T2097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.176683][ T2097]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.176868][ T2097]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.177053][ T2097]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.177242][ T2097]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.177451][ T2097]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.177635][ T2097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.177854][ T2097]  ? move_addr_to_kernel (net/socket.c:258)
[   71.178040][ T2097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.178231][ T2097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.178433][ T2097]  ___sys_sendmsg (net/socket.c:2752)
[   71.178625][ T2097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   71.178848][ T2097]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.179043][ T2097]  __sys_sendmsg (net/socket.c:2784)
[   71.179239][ T2097]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.179437][ T2097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   71.179668][ T2097]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.179853][ T2097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.180042][ T2097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.180227][ T2097]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.180424][ T2097]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.180619][ T2097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.180834][ T2097] RIP: 0033:0x7f07ef7a008e
[   71.181030][ T2097] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   71.181568][ T2097] RSP: 002b:00007fff6486e720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.181822][ T2097] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f07ef7a008e
[   71.182081][ T2097] RDX: 0000000000000000 RSI: 00007fff6486e7d0 RDI: 0000000000000005
[   71.182343][ T2097] RBP: 00007fff6486e730 R08: 0000000000000000 R09: 0000000000000000
[   71.182602][ T2097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9d
[   71.182854][ T2097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6486eea0
| [   71.186716][ T2097] ------------[ cut here ]------------
| [   71.186897][ T2097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2097
| [   71.187197][ T2097] Modules linked in: netdevsim
| [   71.187716][ T2097] Tainted: [W]=WARN
[   71.187865][ T2097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.188073][ T2097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.188295][ T2097] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.188911][ T2097] RSP: 0018:ffa0000005097190 EFLAGS: 00010286
[   71.189134][ T2097] RAX: 00000000ffffffa6 RBX: ff1100000afb6340 RCX: 1ff4000000a12df8
[   71.189396][ T2097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000afb63f0
[   71.189734][ T2097] RBP: ff11000010d39000 R08: 1fe22000015f6c7f R09: ff1100000c6bae58
[   71.189974][ T2097] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   71.190213][ T2097] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.190559][ T2097] FS:  00007f07ef566840(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   71.190839][ T2097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.191142][ T2097] CR2: 0000000029d65988 CR3: 0000000004c1f003 CR4: 0000000000771ef0
[   71.191405][ T2097] PKRU: 55555554
[   71.191554][ T2097] Call Trace:
[   71.191698][ T2097]  <TASK>
[   71.191813][ T2097]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.192108][ T2097]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.192321][ T2097]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.192522][ T2097]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.192783][ T2097]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.192995][ T2097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.193174][ T2097]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   71.193363][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.193629][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.193809][ T2097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   71.193990][ T2097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.194166][ T2097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.194464][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.194640][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.194819][ T2097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.194997][ T2097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.195263][ T2097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.195470][ T2097]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   71.195652][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.195826][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.196092][ T2097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   71.196267][ T2097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.196466][ T2097]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   71.196646][ T2097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.196908][ T2097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.197096][ T2097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.197277][ T2097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.197480][ T2097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.197737][ T2097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.197917][ T2097]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.198095][ T2097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.198272][ T2097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.198557][ T2097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   71.198735][ T2097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   71.198915][ T2097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.199093][ T2097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.199367][ T2097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.199558][ T2097]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.199738][ T2097]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.199916][ T2097]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.200182][ T2097]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.200375][ T2097]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.200559][ T2097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.200765][ T2097]  ? move_addr_to_kernel (net/socket.c:258)
[   71.201029][ T2097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.201207][ T2097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.201425][ T2097]  ___sys_sendmsg (net/socket.c:2752)
[   71.201685][ T2097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   71.202116][ T2097]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.202398][ T2097]  __sys_sendmsg (net/socket.c:2784)
[   71.202593][ T2097]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.202768][ T2097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   71.203069][ T2097]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.203246][ T2097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.203453][ T2097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.203727][ T2097]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.203916][ T2097]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.204095][ T2097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.204300][ T2097] RIP: 0033:0x7f07ef7a008e
[   71.204596][ T2097] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   71.205106][ T2097] RSP: 002b:00007fff6486e720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.205459][ T2097] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f07ef7a008e
[   71.205706][ T2097] RDX: 0000000000000000 RSI: 00007fff6486e7d0 RDI: 0000000000000005
[   71.206174][ T2097] RBP: 00007fff6486e730 R08: 0000000000000000 R09: 0000000000000000
[   71.206539][ T2097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf9d
[   71.206842][ T2097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6486eea0
| [   71.313633][   T70] ------------[ cut here ]------------
| [   71.313959][   T70] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/70
| [   71.314532][   T70] Modules linked in: netdevsim
| [   71.315382][   T70] Tainted: [W]=WARN
[   71.315568][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.315860][   T70] Workqueue: netns cleanup_net
[   71.316116][   T70] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.316433][   T70] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.317256][   T70] RSP: 0018:ffa00000004b7610 EFLAGS: 00010286
[   71.317563][   T70] RAX: 00000000ffffffa6 RBX: ff1100000afb7b40 RCX: 1ff4000000096e88
[   71.317900][   T70] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000afb7bf0
[   71.318231][   T70] RBP: ff11000009e2a000 R08: 1fe22000015f6f7f R09: ff11000008d60c20
[   71.318587][   T70] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.319031][   T70] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.319380][   T70] FS:  0000000000000000(0000) GS:ff11000096805000(0000) knlGS:0000000000000000
[   71.319778][   T70] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.320055][   T70] CR2: 00007f8376046f98 CR3: 000000000df48003 CR4: 0000000000771ef0
[   71.320398][   T70] PKRU: 55555554
[   71.320574][   T70] Call Trace:
[   71.320743][   T70]  <TASK>
[   71.320866][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.321171][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.321470][   T70]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   71.321707][   T70]  ? netdev_run_todo (net/core/dev.c:11703)
[   71.321935][   T70]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.322168][   T70]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   71.322466][   T70]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   71.322689][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.322918][   T70]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.323151][   T70] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   71.323392][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.323626][   T70] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   71.323908][   T70] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   71.324213][   T70] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   71.324523][   T70]  devlink_reload (net/devlink/dev.c:462)
[   71.324752][   T70]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   71.324979][   T70]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   71.325205][   T70]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   71.325448][   T70]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   71.325677][   T70]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   71.325921][   T70]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   71.326158][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   71.326392][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.326630][   T70]  cleanup_net (net/core/net_namespace.c:702)
[   71.326864][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.327096][   T70]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.327338][   T70]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.327571][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.327800][   T70]  process_one_work (kernel/workqueue.c:3314)
[   71.328034][   T70]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.328258][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.328507][   T70]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.328734][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.328955][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.329183][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.329423][   T70]  kthread (kernel/kthread.c:436)
[   71.329605][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.329888][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.330114][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.330354][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.330644][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.330870][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.331095][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.387881][   T70] ------------[ cut here ]------------
| [   71.388133][   T70] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/70
| [   71.388504][   T70] Modules linked in: netdevsim
| [   71.389091][   T70] Tainted: [W]=WARN
[   71.389250][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.389518][   T70] Workqueue: netns cleanup_net
[   71.389725][   T70] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.389972][   T70] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.390563][   T70] RSP: 0018:ffa00000004b7568 EFLAGS: 00010286
[   71.390797][   T70] RAX: 00000000ffffffa6 RBX: ff1100000ed727c0 RCX: 1ff4000000096e73
[   71.391062][   T70] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed72870
[   71.391347][   T70] RBP: ff1100000c3fa000 R08: 1fe2200001dae50f R09: ff11000008d60c20
[   71.391659][   T70] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   71.392017][   T70] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3fa000
[   71.392301][   T70] FS:  0000000000000000(0000) GS:ff11000096885000(0000) knlGS:0000000000000000
[   71.392759][   T70] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.393056][   T70] CR2: 00007f9803cab2a0 CR3: 000000002ef39006 CR4: 0000000000771ef0
[   71.393455][   T70] PKRU: 55555554
[   71.393674][   T70] Call Trace:
[   71.393894][   T70]  <TASK>
[   71.394051][   T70]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.394291][   T70]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.394535][   T70]  register_netdevice (net/core/dev.c:11488)
[   71.394805][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.395109][   T70]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   71.395374][   T70] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   71.395625][   T70] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   71.395847][   T70] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   71.396125][   T70]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   71.396397][   T70]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   71.396736][   T70]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   71.397018][   T70]  ? static_obj (kernel/locking/lockdep.c:858)
[   71.397229][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.397513][   T70]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   71.397825][   T70] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   71.398156][   T70]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   71.398513][   T70]  devlink_reload (net/devlink/dev.c:475)
[   71.398787][   T70]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   71.399041][   T70]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   71.399313][   T70]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   71.399620][   T70]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   71.399896][   T70]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   71.400166][   T70]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   71.400462][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   71.400729][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.401011][   T70]  cleanup_net (net/core/net_namespace.c:702)
[   71.401282][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.401569][   T70]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.401782][   T70]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.401984][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.402199][   T70]  process_one_work (kernel/workqueue.c:3314)
[   71.402510][   T70]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.402786][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.403072][   T70]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.403351][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.403571][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.403842][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.404122][   T70]  kthread (kernel/kthread.c:436)
[   71.404363][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.404690][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.404933][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.405185][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.405433][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.405645][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.405850][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.412811][  T164] ------------[ cut here ]------------
| [   71.413131][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: fib.sh/164
| [   71.413739][  T164] Modules linked in: netdevsim
| [   71.414735][  T164] Tainted: [W]=WARN
[   71.414925][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.415235][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.415968][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.416915][  T164] RSP: 0018:ffa0000000757728 EFLAGS: 00010286
[   71.417257][  T164] RAX: 00000000ffffffa6 RBX: ff1100000ed72640 RCX: 1ff40000000eaeab
[   71.417830][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ed726f0
[   71.418217][  T164] RBP: ff1100000c3fa000 R08: 1fe2200001dae4df R09: ff1100000df20c48
[   71.418733][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.419129][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.419536][  T164] FS:  00007f8375e35b80(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   71.420014][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.420357][  T164] CR2: 000055fc19227de8 CR3: 000000000dee1001 CR4: 0000000000771ef0
[   71.420747][  T164] PKRU: 55555554
[   71.420938][  T164] Call Trace:
[   71.421136][  T164]  <TASK>
[   71.421267][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.421604][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.421913][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   71.422163][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   71.422416][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   71.422667][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.422922][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   71.423173][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.423436][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.423701][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   71.423957][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.424211][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   71.424534][  T164] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   71.424846][  T164] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   71.425096][  T164]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   71.425414][  T164]  bus_remove_device (drivers/base/bus.c:657)
[   71.425665][  T164]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   71.425913][  T164]  ? device_remove_file (drivers/base/core.c:3073)
[   71.426168][  T164]  device_del (drivers/base/core.c:3895)
[   71.426369][  T164]  ? __device_link_del (./include/linux/kobject.h:89)
[   71.426630][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   71.426877][  T164]  device_unregister (drivers/base/core.c:3936)
[   71.427118][  T164] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   71.427428][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   71.427666][  T164]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   71.427960][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   71.428196][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   71.428440][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   71.428688][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   71.428871][  T164]  new_sync_write (fs/read_write.c:595)
[   71.429125][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.429378][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   71.429623][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.429860][  T164]  ? ksys_write (fs/read_write.c:740)
[   71.430112][  T164]  vfs_write (fs/read_write.c:688)
[   71.430295][  T164]  ksys_write (fs/read_write.c:740)
[   71.430501][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   71.430748][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.430994][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.431240][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.431495][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.431741][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.431987][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.432298][  T164] RIP: 0033:0x7f8375ea708e
[   71.432573][  T164] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   71.433473][  T164] RSP: 002b:00007ffd685e54a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   71.433849][  T164] RAX: ffffffffffffffda RBX: 00007f8376029580 RCX: 00007f8375ea708e
[   71.434221][  T164] RDX: 0000000000000005 RSI: 000055fc19228c20 RDI: 0000000000000001
[   71.434612][  T164] RBP: 00007ffd685e54b0 R08: 0000000000000000 R09: 0000000000000000
[   71.434986][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   71.435365][  T164] R13: 0000000000000005 R14: 000055fc19228c20 R15: 0000000000000000
| [   71.447270][   T70] ------------[ cut here ]------------
| [   71.447595][   T70] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/70
| [   71.447987][   T70] Modules linked in: netdevsim
| [   71.448736][   T70] Tainted: [W]=WARN
[   71.448883][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.449135][   T70] Workqueue: netns cleanup_net
[   71.449354][   T70] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.449616][   T70] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.450297][   T70] RSP: 0018:ffa00000004b7878 EFLAGS: 00010286
[   71.450550][   T70] RAX: 00000000ffffffa6 RBX: ff11000009110640 RCX: 1ff4000000096ed5
[   71.450863][   T70] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091106f0
[   71.451151][   T70] RBP: ff11000009dac000 R08: 1fe22000012220df R09: ff11000008d60bd0
[   71.451445][   T70] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.451738][   T70] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.452029][   T70] FS:  0000000000000000(0000) GS:ff11000096785000(0000) knlGS:0000000000000000
[   71.452546][   T70] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.452786][   T70] CR2: 000055fc19227de8 CR3: 000000000dee1001 CR4: 0000000000771ef0
[   71.453155][   T70] PKRU: 55555554
[   71.453298][   T70] Call Trace:
[   71.453566][   T70]  <TASK>
[   71.453669][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.453912][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.454153][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.454427][   T70]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.454617][   T70]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   71.454803][   T70]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.454991][   T70]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.455178][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.455468][   T70]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.455668][   T70]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.455867][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   71.456060][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.456259][   T70]  cleanup_net (net/core/net_namespace.c:702)
[   71.456635][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.456825][   T70]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.457020][   T70]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.457214][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.457518][   T70]  process_one_work (kernel/workqueue.c:3314)
[   71.457718][   T70]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.457915][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.458120][   T70]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.458314][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.458515][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.458707][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.458896][   T70]  kthread (kernel/kthread.c:436)
[   71.459040][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.459275][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.459476][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.459671][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.459911][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.460104][   T70]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create